2008 BMW X6 engine fastener tightening specifications

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Condition	Value

expand_moreAir intake system

expand_moreIntake manifold

expand_more50 i with gasoline V8 4.4 L 402 HP engine (2008.5–2014.6)


M7	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_morexDrive 30 d with diesel straight-6 3.0 L 232 HP engine (2008.9–2014.6)

Figure 1. Air intake system, Intake manifold, xDrive 30 d with diesel straight-6 3.0 L 232 HP engine (2008.9–2014.6).


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
See figure 1.
Figure 2. Air intake system, Intake manifold, xDrive 30 d with diesel straight-6 3.0 L 232 HP engine (2008.9–2014.6).
Second stage	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
See figure 2.


xDrive 35 i with gasoline straight-6 3.0 L 302 HP engine (2008.9–2014.6)	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
xDrive 35 i with gasoline straight-6 3.0 L 302 HP engine (2008.9–2014.6)	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_moreAll other modifications


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
M7	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
M8	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreAuxiliary assemblies

expand_moreAuxiliary drive belt deflection pulley

expand_moreAll other modifications


M10	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreAuxiliary drive belt tensioner


All other modifications	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreAir-conditioning compressor

expand_more35 d with diesel straight-6 3.0 L 282 HP at 4000 RPM, 560 N⋅m at 2000 RPM engine (2008.5–2008.8)


M8	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m


All other modifications	13.28–17.7 lbf⋅ft13.28–17.7 lbf⋅ft18–24 N⋅m

expand_moreAir-conditioning compressor bracket


M8	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_moreAir-conditioning compressor pressure line

expand_more50 i with gasoline V8 4.4 L 402 HP engine (2008.5–2014.6)


M6	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
M8	13.28 lbf⋅ft13.28 lbf⋅ft18 N⋅m

expand_moreAll other modifications


M8	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m

expand_moreAlternator

expand_more50 i with gasoline V8 4.4 L 402 HP engine (2008.5–2014.6)


M8	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m

expand_moreAll other modifications


M8	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_moreServo pump pulley


M8 screws (class 10.9)	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m
Replace screws.

expand_moreServo steering pump


M10	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreVacuum pump


All other modifications	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace screws.

expand_moreVacuum pump sprocket wheel


xDrive 35 i with gasoline straight-6 3.0 L 302 HP engine (2008.9–2014.6)	48.68 lbf⋅ft48.68 lbf⋅ft66 N⋅m
Clean and lubricate the screws.
xDrive 35 i with gasoline straight-6 3.0 L 302 HP engine (2008.9–2014.6)	48.68 lbf⋅ft48.68 lbf⋅ft66 N⋅m
Clean and lubricate the screws.

expand_moreCarburetion

expand_moreFuel-distributing pipe

expand_moreAll other modifications


M7	8.11–11.06 lbf⋅ft8.11–11.06 lbf⋅ft11–15 N⋅m

expand_moreHigh-pressure line

expand_morexDrive 35 i with gasoline straight-6 3.0 L 302 HP engine (2008.9–2014.6)


On high-pressure pump	19.91–24.34 lbf⋅ft19.91–24.34 lbf⋅ft27–33 N⋅m
On rail	19.91–24.34 lbf⋅ft19.91–24.34 lbf⋅ft27–33 N⋅m

expand_moreAll other modifications

expand_moreM14


First stage	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Second stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreHigh-pressure pump

expand_more50 i with gasoline V8 4.4 L 402 HP engine (2008.5–2014.6)


M6	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m
Tighten the new screws evenly in several steps.

expand_moreAll other modifications


Manufacturer Bosch	8.11–9.59 lbf⋅ft8.11–9.59 lbf⋅ft11–13 N⋅m

expand_moreInjection hoses

expand_moreAll other modifications

expand_moreM12


First stage	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Second stage	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreInjection nozzle (injector)

expand_more50 i with gasoline V8 4.4 L 402 HP engine (2008.5–2014.6)


M7	8.11–11.06 lbf⋅ft8.11–11.06 lbf⋅ft11–15 N⋅m

expand_moreAll other modifications


Retaining clamp	8.85–10.33 lbf⋅ft8.85–10.33 lbf⋅ft12–14 N⋅m

expand_moreCharging

expand_moreTurbo charger

expand_more50 i with gasoline V8 4.4 L 402 HP engine (2008.5–2014.6)

expand_moreClamps


M8	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m
Use new parts.

expand_moreAll other modifications

expand_moreAt the cylinder head


M7	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace nuts.

expand_moreTurbocharger oil feed line


xDrive 35 i with gasoline straight-6 3.0 L 302 HP engine (2008.9–2014.6)	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
xDrive 35 i with gasoline straight-6 3.0 L 302 HP engine (2008.9–2014.6)	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreTurbocharger oil return line


xDrive 35 i with gasoline straight-6 3.0 L 302 HP engine (2008.9–2014.6)	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
xDrive 35 i with gasoline straight-6 3.0 L 302 HP engine (2008.9–2014.6)	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreCooling system

expand_moreCoolant drain plug


BMW diesel straight-6 3.0 L M57 D30 (306D3) 232 HP	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreCoolant pump

expand_more30 d with diesel straight-6 3.0 L 232 HP engine (2008.5–2008.8)


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
M7	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
M8	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_more35 i with gasoline straight-6 3.0 L 302 HP engine (2008.5–2008.8)


At the bracket	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m

expand_moreOnto crankcase


First stage	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Second stage	90°90°90°

expand_morexDrive 35 i with gasoline straight-6 3.0 L 302 HP engine (2008.9–2014.6)


At the bracket	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m

expand_moreOnto crankcase


First stage	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Second stage	90°90°90°


All other modifications	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace sealing rings.

expand_moreCylinder head

expand_moreCamshaft bearing

expand_more50 i with gasoline V8 4.4 L 402 HP engine (2008.5–2014.6)


M7	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Tighten the bearing cover of the camshafts in 1/2 turning steps from inside to outside.

expand_moreAll other modifications


Inlet camshaft	6.27 lbf⋅ft6.27 lbf⋅ft8.5 N⋅m

expand_moreOutlet camshaft

Figure 3. Cylinder head, Camshaft bearing, All other modifications, Outlet camshaft.


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Note correct order of tensioning. See figure 3.
Second stage	60°60°60°

expand_moreCylinder head screws

expand_more30 d with diesel straight-6 3.0 L 232 HP engine (2008.5–2008.8)

expand_moreM12 × 1,5 screws

Figure 4. Cylinder head, Cylinder head screws, 30 d with diesel straight-6 3.0 L 232 HP engine (2008.5–2008.8), M12 × 1,5 screws.


First stage	59 lbf⋅ft59 lbf⋅ft80 N⋅m
See figure 4.
Second stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Third stage	90°90°90°
Fourth stage	90°90°90°

expand_more35 d with diesel straight-6 3.0 L 282 HP at 4000 RPM, 560 N⋅m at 2000 RPM engine (2008.5–2008.8)

expand_moreScrews 1 – 14

Figure 5. Cylinder head, Cylinder head screws, 35 d with diesel straight-6 3.0 L 282 HP at 4000 RPM, 560 N⋅m at 2000 RPM engine (2008.5–2008.8), Screws 1 – 14.


First stage	59 lbf⋅ft59 lbf⋅ft80 N⋅m
Replace screws. See figure 5.
Second stage	180° detach
Loosen the cylinder head screws in the reverse order of tightening.
Third stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Fourth stage	120°120°120°
Fifth stage	120°120°120°

expand_moreScrew 15


Sixth stage	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_more35 i with gasoline straight-6 3.0 L 302 HP engine (2008.5–2008.8)

expand_moreScrews 1 – 14

Figure 6. Cylinder head, Cylinder head screws, 35 i with gasoline straight-6 3.0 L 302 HP engine (2008.5–2008.8), Screws 1 – 14.


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace screws. See figure 6.
Second stage	90°90°90°
Fourth stage	45°45°45°

expand_moreScrews 1 – 10


Third stage	90°90°90°

expand_moreScrews 15 – 18


Fifth stage	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Replace screws.

expand_more50 i with gasoline V8 4.4 L 402 HP engine (2008.5–2014.6)

expand_moreScrews 1 – 10 (part number 11127582454)

Figure 7. Cylinder head, Cylinder head screws, 50 i with gasoline V8 4.4 L 402 HP engine (2008.5–2014.6), Screws 1 – 10 (part number 11127582454).


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace screws. See figure 7.
Second stage	90°90°90°
Third stage	90°90°90°

expand_moreScrews 1 – 10 (part number 11127607557)


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace screws.
Second stage	90°90°90°
Third stage	140°140°140°

expand_moreScrews 11 – 12


Fourth stage	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_morexDrive 35 d with diesel straight-6 3.0 L 282 HP at 4000 RPM, 560 N⋅m at 2000 RPM engine (2008.9–2014.6)

expand_moreScrews 1 – 14

Figure 8. Cylinder head, Cylinder head screws, xDrive 35 d with diesel straight-6 3.0 L 282 HP at 4000 RPM, 560 N⋅m at 2000 RPM engine (2008.9–2014.6), Screws 1 – 14.


First stage	59 lbf⋅ft59 lbf⋅ft80 N⋅m
Replace screws. See figure 8.
Second stage	180° detach
Loosen the cylinder head screws in the reverse order of tightening.
Third stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Fourth stage	120°120°120°
Fifth stage	120°120°120°

expand_moreScrew 15


Sixth stage	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_moreAll other modifications

expand_moreScrews 1 – 10

Figure 9. Cylinder head, Cylinder head screws, All other modifications, Screws 1 – 10.


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace screws. See figure 9.
Third stage	90°90°90°
Fifth stage	180°180°180°

expand_moreScrews 11 – 14


Second stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace screws.
Fourth stage	90°90°90°
Sixth stage	180°180°180°

expand_moreScrews 15 – 18


Seventh stage	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreValve cover

expand_more35 i with gasoline straight-6 3.0 L 302 HP engine (2008.5–2008.8)


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
M7	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_more50 i with gasoline V8 4.4 L 402 HP engine (2008.5–2014.6)

Figure 10. Cylinder head, Valve cover, 50 i with gasoline V8 4.4 L 402 HP engine (2008.5–2014.6).


First cylinder row	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Note correct order of tensioning. See figure 10.
Figure 11. Cylinder head, Valve cover, 50 i with gasoline V8 4.4 L 402 HP engine (2008.5–2014.6).
Second cylinder row	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Note correct order of tensioning. See figure 11.


xDrive 35 i with gasoline straight-6 3.0 L 302 HP engine (2008.9–2014.6)	6.27 lbf⋅ft6.27 lbf⋅ft8.5 N⋅m
Note correct order of tensioning. See figure 12.

xDrive 35 i with gasoline straight-6 3.0 L 302 HP engine (2008.9–2014.6)	6.27 lbf⋅ft6.27 lbf⋅ft8.5 N⋅m
Note correct order of tensioning. See figure 12.

expand_moreAll other modifications

expand_moreM6


Screws	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreM7


Screws	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_moreEngine block

expand_moreConnecting rod bearing

expand_more30 d with diesel straight-6 3.0 L 232 HP engine (2008.5–2008.8)


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Second stage	70°70°70°

expand_more35 d with diesel straight-6 3.0 L 282 HP at 4000 RPM, 560 N⋅m at 2000 RPM engine (2008.5–2008.8)


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws.
Second stage	70°70°70°

expand_more35 i with gasoline straight-6 3.0 L 302 HP engine (2008.5–2008.8)

expand_moreM9


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screw, wash and slightly oil.
Second stage	140°140°140°

expand_more50 i with gasoline V8 4.4 L 402 HP engine (2008.5–2014.6)


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Replace screw, wash and slightly oil.
Second stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Third stage	70°70°70°

expand_morexDrive 35 d with diesel straight-6 3.0 L 282 HP at 4000 RPM, 560 N⋅m at 2000 RPM engine (2008.9–2014.6)


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws.
Second stage	70°70°70°

expand_morexDrive 35 i with gasoline straight-6 3.0 L 302 HP engine (2008.9–2014.6)

expand_moreM9


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace, wash and lightly lubricate the screws.
Second stage	140°140°140°

expand_moreCrankshaft central screws

expand_more35 i with gasoline straight-6 3.0 L 302 HP engine (2008.5–2008.8)

expand_moreM16


First stage	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Replace the screws and lubricate lightly
Second stage	360°360°360°

expand_morexDrive 35 i with gasoline straight-6 3.0 L 302 HP engine (2008.9–2014.6)

expand_moreCentral screws


First stage	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Replace and lightly oil the screw.
Second stage	270°270°270°

expand_moreAll other modifications

expand_moreM18 × 1,5 screws


First stage	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Replace screws. Oil bearing face.
Second stage	60°60°60°
Third stage	60°60°60°
Fourth stage	60°60°60°

expand_moreCrankshaft pulley

expand_more50 i with gasoline V8 4.4 L 402 HP engine (2008.5–2014.6)


M10	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreDrive plate


30 d with diesel straight-6 3.0 L 232 HP engine (2008.5–2008.8)	89.25 lbf⋅ft89.25 lbf⋅ft121 N⋅m
Replace screws.
35 d with diesel straight-6 3.0 L 282 HP at 4000 RPM, 560 N⋅m at 2000 RPM engine (2008.5–2008.8)	89.25 lbf⋅ft89.25 lbf⋅ft121 N⋅m
Replace screws.

expand_more35 i with gasoline straight-6 3.0 L 302 HP engine (2008.5–2008.8)


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Second stage	92.2 lbf⋅ft92.2 lbf⋅ft125 N⋅m


50 i with gasoline V8 4.4 L 402 HP engine (2008.5–2014.6)	77.44 lbf⋅ft77.44 lbf⋅ft105 N⋅m
Replace bolts.
xDrive 50 i with gasoline V8 4.4 L 402 HP engine (2008.9–2014.6)	77.44 lbf⋅ft77.44 lbf⋅ft105 N⋅m
Replace bolts.

expand_moreAll other modifications


First stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Replace screws.
Second stage	45°45°45°

expand_moreEngine block closure screws

expand_moreAll other modifications


M30 × 1 screws	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
M40 × 1,5 screws	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreFlywheel

expand_morexDrive 35 i with gasoline straight-6 3.0 L 302 HP engine (2008.9–2014.6)

expand_moreM12


First stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Second stage	45°45°45°


All other modifications	88.51 lbf⋅ft88.51 lbf⋅ft120 N⋅m
Replace screws.

expand_moreMain bearing

expand_more30 d with diesel straight-6 3.0 L 232 HP engine (2008.5–2008.8)

expand_moreM10 × 85 screws


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws.
Second stage	90°90°90°

expand_more35 d with diesel straight-6 3.0 L 282 HP at 4000 RPM, 560 N⋅m at 2000 RPM engine (2008.5–2008.8)

expand_moreM10 × 85 screws


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws.
Second stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Third stage	60°60°60°
Fourth stage	60°60°60°
Fifth stage	180° detach
from inside to outside
Sixth stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Seventh stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Eighth stage	60°60°60°
Ninth stage	60°60°60°

expand_morexDrive 35 d with diesel straight-6 3.0 L 282 HP at 4000 RPM, 560 N⋅m at 2000 RPM engine (2008.9–2014.6)

expand_moreM10 × 85 screws


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws.
Second stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Third stage	60°60°60°
Fourth stage	60°60°60°
Fifth stage	180° detach
from inside to outside
Sixth stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Seventh stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Eighth stage	60°60°60°
Ninth stage	60°60°60°

expand_morexDrive 35 i with gasoline straight-6 3.0 L 302 HP engine (2008.9–2014.6)

expand_moreM10 × 100 screws


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws.
Second stage	70°70°70°

expand_moreAll other modifications

expand_moreScrews 1 – 10

Figure 13. Engine block, Main bearing, All other modifications, Screws 1 – 10.


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws. See figure 13.
Second stage	100°100°100°

expand_moreScrews 11 – 20


Third stage	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace screws.
Fourth stage	55°55°55°

expand_moreScrews 21 – 30


Sixth stage	25.08 lbf⋅ft25.08 lbf⋅ft34 N⋅m

expand_moreThreaded sleeve


Fifth stage	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m

expand_moreVibration damper

expand_more35 i with gasoline straight-6 3.0 L 302 HP engine (2008.5–2008.8)


M8 × 16 screws	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_morexDrive 35 i with gasoline straight-6 3.0 L 302 HP engine (2008.9–2014.6)


M8	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_moreAll other modifications


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace screws.
Second stage	120°120°120°

expand_moreEngine control

expand_moreBottom part of the control unit housing

expand_more50 i with gasoline V8 4.4 L 402 HP engine (2008.5–2014.6)


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreM8


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Second stage	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m

expand_moreCamshaft timing chain guide rail

expand_more35 i with gasoline straight-6 3.0 L 302 HP engine (2008.5–2008.8)


M7	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m
M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_more50 i with gasoline V8 4.4 L 402 HP engine (2008.5–2014.6)


M14	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll other modifications

expand_moreBearing screws


M7	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m

expand_moreM18


Cap	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreCamshaft timing chain slip rail

expand_more50 i with gasoline V8 4.4 L 402 HP engine (2008.5–2014.6)


M7	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_moreAll other modifications


At the cylinder head	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreCamshaft timing chain tensioner

expand_more50 i with gasoline V8 4.4 L 402 HP engine (2008.5–2014.6)


M7	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m


All other modifications	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
Replace sealing rings.

expand_moreCamshaft timing chain tensioning rail

expand_morexDrive 35 i with gasoline straight-6 3.0 L 302 HP engine (2008.9–2014.6)

expand_moreBearing screws


M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreM22


Cap	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace the cover plate.

expand_moreAll other modifications


M10	33.93 lbf⋅ft33.93 lbf⋅ft46 N⋅m
M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreCamshaft timing gear

expand_more30 d with diesel straight-6 3.0 L 232 HP engine (2008.5–2008.8)


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Second stage	50°50°50°


All other modifications	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m

expand_moreChain tensioner

expand_moreAll other modifications


M22 × 1,5 screws	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m

expand_moreControl drive chain guide rail

expand_more50 i with gasoline V8 4.4 L 402 HP engine (2008.5–2014.6)


M14	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreControl drive timing chain slip rail

expand_more50 i with gasoline V8 4.4 L 402 HP engine (2008.5–2014.6)


M7	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_moreEccentric shaft for intake valve timing


M6	6.27 lbf⋅ft6.27 lbf⋅ft8.5 N⋅m

expand_moreInlet camshaft wheel

expand_morexDrive 35 i with gasoline straight-6 3.0 L 302 HP engine (2008.9–2014.6)

expand_moreCentral screws


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Use new screw.
Second stage	180°180°180°

expand_moreAll other modifications

expand_moreM10


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace screws. Apply copper paste onto bearing face.
Second stage	90°90°90°

expand_moreOil pump camshaft timing chain guide rail

expand_moreM16 × 1,5 screws


Cap	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m
Replace the cover plate.

expand_moreM6 × 16 screws


First stage	2.95 lbf⋅ft2.95 lbf⋅ft4 N⋅m
Replace screws.
Second stage	45°45°45°

expand_moreOutlet camshaft wheel

expand_morexDrive 35 i with gasoline straight-6 3.0 L 302 HP engine (2008.9–2014.6)

expand_moreCentral screws


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Use new screw.
Second stage	180°180°180°

expand_moreAll other modifications

expand_moreM10


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace screws. Apply copper paste onto bearing face.
Second stage	90°90°90°

expand_moreTiming case cover

expand_more35 i with gasoline straight-6 3.0 L 302 HP engine (2008.5–2008.8)


M7	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAll other modifications


M10	34.67 lbf⋅ft34.67 lbf⋅ft47 N⋅m
M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
M7	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
M8	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreTiming case cover first cylinder row


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreTiming case cover second cylinder row


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreEngine lubrication

expand_moreOil cooler

expand_more35 d with diesel straight-6 3.0 L 282 HP at 4000 RPM, 560 N⋅m at 2000 RPM engine (2008.5–2008.8)


At the gearbox	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
On the engine block	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m


All other modifications	11.8 lbf⋅ft11.8 lbf⋅ft16 N⋅m

expand_moreOil cooler lines

expand_more35 d with diesel straight-6 3.0 L 282 HP at 4000 RPM, 560 N⋅m at 2000 RPM engine (2008.5–2008.8)

expand_moreAt the gearbox


M8	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m

expand_moreOil drain plug

expand_more30 d with diesel straight-6 3.0 L 232 HP engine (2008.5–2008.8)


M12	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace sealing rings.

expand_more50 i with gasoline V8 4.4 L 402 HP engine (2008.5–2014.6)


M18	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace sealing rings.


All other modifications	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace sealing rings.

expand_moreOil filter


Oil filter cover	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreOil filter housing

expand_more30 d with diesel straight-6 3.0 L 232 HP engine (2008.5–2008.8)


M10	24.34 lbf⋅ft24.34 lbf⋅ft33 N⋅m
Oil filter housing cap
M12	24.34 lbf⋅ft24.34 lbf⋅ft33 N⋅m
Oil filter housing cap
M8	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Oil filter housing cap

expand_more50 i with gasoline V8 4.4 L 402 HP engine (2008.5–2014.6)

expand_moreOil filter cover


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Lubricate the sealing rings.
Second stage	180° detach.
Third stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreAll other modifications


At the cylinder head	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Oil filter cover	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreOil lines

expand_more35 d with diesel straight-6 3.0 L 282 HP at 4000 RPM, 560 N⋅m at 2000 RPM engine (2008.5–2008.8)

expand_moreAt the gearbox


Banjo screws	27.29 lbf⋅ft27.29 lbf⋅ft37 N⋅m
M16x1,5

expand_moreBanjo screws


With transmission-oil cooler	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m
M14x1,5

expand_more50 i with gasoline V8 4.4 L 402 HP engine (2008.5–2014.6)


M10	11.8 lbf⋅ft11.8 lbf⋅ft16 N⋅m
Replace sealing rings.
M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace sealing rings.

expand_moreOil pump

expand_more50 i with gasoline V8 4.4 L 402 HP engine (2008.5–2014.6)


M8	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m

expand_moreAll other modifications

expand_moreScrews (M8 × 123)


First stage	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace screws.
Second stage	180°180°180°

expand_moreScrews (M8 × 31)


First stage	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreScrews (M8 × 37)


First stage	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreOil pump chain wheel

expand_more30 d with diesel straight-6 3.0 L 232 HP engine (2008.5–2008.8)


M10	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
M10 × 1 screws	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_more35 i with gasoline straight-6 3.0 L 302 HP engine (2008.5–2008.8)

expand_moreM8


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Second stage	45°45°45°

expand_more50 i with gasoline V8 4.4 L 402 HP engine (2008.5–2014.6)

expand_moreM10


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Left-hand thread
Second stage	40°40°40°


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAll other modifications


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Second stage	45°45°45°

expand_moreOil sump

expand_more30 d with diesel straight-6 3.0 L 232 HP engine (2008.5–2008.8)


M6 screws (class 10.9)	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m
M6 8.8	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_more35 d with diesel straight-6 3.0 L 282 HP at 4000 RPM, 560 N⋅m at 2000 RPM engine (2008.5–2008.8)

expand_moreAt the gearbox


M8	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_moreOnto crankcase


M6	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
M8 × 30 screws	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_more35 i with gasoline straight-6 3.0 L 302 HP engine (2008.5–2008.8)

expand_moreOnto crankcase


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Replace screws.
Second stage	90°90°90°

expand_more50 i with gasoline V8 4.4 L 402 HP engine (2008.5–2014.6)


Oil sump lower part	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m
Replace screws.
Oil sump top part	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_morexDrive 35 i with gasoline straight-6 3.0 L 302 HP engine (2008.9–2014.6)

expand_moreAluminium oil sump

expand_moreM8 × 36 screws


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreM8 × 50 screws


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreEngine management

expand_moreCamshaft sensor

expand_more35 i with gasoline straight-6 3.0 L 302 HP engine (2008.5–2008.8)


Inlet camshaft	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Outlet camshaft	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_more50 i with gasoline V8 4.4 L 402 HP engine (2008.5–2014.6)


M6	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m


All other modifications	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreCrankshaft sensor


35 i with gasoline straight-6 3.0 L 302 HP engine (2008.5–2008.8)	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_more50 i with gasoline V8 4.4 L 402 HP engine (2008.5–2014.6)


M6	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m


All other modifications	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m

expand_moreGlow plugs


All other modifications	13.28 lbf⋅ft13.28 lbf⋅ft18 N⋅m

expand_moreKnock sensor

expand_more35 i with gasoline straight-6 3.0 L 302 HP engine (2008.5–2008.8)


M8	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m

expand_more50 i with gasoline V8 4.4 L 402 HP engine (2008.5–2014.6)


M8	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m


All other modifications	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreLambda sensor

expand_more35 i with gasoline straight-6 3.0 L 302 HP engine (2008.5–2008.8)


M18	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m


All other modifications	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m

expand_moreEngine mounting

expand_moreEngine bracket

expand_more50 i with gasoline V8 4.4 L 402 HP engine (2008.5–2014.6)

expand_moreOn the engine block


M10 screws (class 8.8)	28.03 lbf⋅ft28.03 lbf⋅ft38 N⋅m

expand_moreAll other modifications

expand_moreOn the engine block


M12	48.68 lbf⋅ft48.68 lbf⋅ft66 N⋅m

expand_moreEngine mounting

expand_more50 i with gasoline V8 4.4 L 402 HP engine (2008.5–2014.6)

expand_moreAt the subframe


M8	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_moreOn engine bracket


M12	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m

expand_morexDrive 35 i with gasoline straight-6 3.0 L 302 HP engine (2008.9–2014.6)

expand_moreAt the axle support


M10 × 30 screws	28.03 lbf⋅ft28.03 lbf⋅ft38 N⋅m
M8 × 45 screws	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m


On engine bracket	48.68 lbf⋅ft48.68 lbf⋅ft66 N⋅m

expand_moreAll other modifications


M10	28.03 lbf⋅ft28.03 lbf⋅ft38 N⋅m
M10 screws (class 10.9)	41.3 lbf⋅ft41.3 lbf⋅ft56 N⋅m
M12	50.15 lbf⋅ft50.15 lbf⋅ft68 N⋅m
M8 screws (class 10.9)	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m

expand_moreSubframe


On chassis	121.7 lbf⋅ft121.7 lbf⋅ft165 N⋅m

expand_moreSubframe stiffening plate

expand_moreAt the subframe


First stage	41.3 lbf⋅ft41.3 lbf⋅ft56 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreExhaust system

expand_moreCatalytic converter


35 i with gasoline straight-6 3.0 L 302 HP engine (2008.5–2008.8)	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m

expand_more50 i with gasoline V8 4.4 L 402 HP engine (2008.5–2014.6)

expand_moreClamps


M8	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m
Use new parts.

expand_moreAll other modifications


At the turbocharger	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m

expand_moreExhaust manifold

expand_more35 d with diesel straight-6 3.0 L 282 HP at 4000 RPM, 560 N⋅m at 2000 RPM engine (2008.5–2008.8)


First stage	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace nuts.
Second stage	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m

expand_more35 i with gasoline straight-6 3.0 L 302 HP engine (2008.5–2008.8)


M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_more50 i with gasoline V8 4.4 L 402 HP engine (2008.5–2014.6)


M8	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_moreAll other modifications

expand_moreAt the cylinder head

Figure 14. Exhaust system, Exhaust manifold, All other modifications, At the cylinder head.


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Replace nuts. See figure 14.
Second stage	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m

expand_moreOn exhaust manifold


Support	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreOn the engine block


Support	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws.

expand_moreExhaust manifold heat shields


xDrive 35 i with gasoline straight-6 3.0 L 302 HP engine (2008.9–2014.6)	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
xDrive 35 i with gasoline straight-6 3.0 L 302 HP engine (2008.9–2014.6)	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreExhaust pipe


35 i with gasoline straight-6 3.0 L 302 HP engine (2008.5–2008.8)	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m

expand_more50 i with gasoline V8 4.4 L 402 HP engine (2008.5–2014.6)

expand_moreOn catalytic converter


M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAll other modifications

expand_moreOn catalytic converter


Clamps	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m

expand_moreExhaust pipe bracket


xDrive 35 i with gasoline straight-6 3.0 L 302 HP engine (2008.9–2014.6)	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m
xDrive 35 i with gasoline straight-6 3.0 L 302 HP engine (2008.9–2014.6)	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m

expand_moreExhaust pipe rear


Clamps	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreIgnition system

expand_moreSpark plugs

expand_moreAll other modifications


M12	14.75–19.18 lbf⋅ft14.75–19.18 lbf⋅ft20–26 N⋅m
M14	19.91–24.34 lbf⋅ft19.91–24.34 lbf⋅ft27–33 N⋅m

expand_moreStart system

expand_moreStarter

expand_more35 i with gasoline straight-6 3.0 L 302 HP engine (2008.5–2008.8)


On gearbox case	28.03 lbf⋅ft28.03 lbf⋅ft38 N⋅m
Onto crankcase	28.03 lbf⋅ft28.03 lbf⋅ft38 N⋅m

expand_moreAll other modifications


M10	28.03 lbf⋅ft28.03 lbf⋅ft38 N⋅m

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2008 BMW X6 user's manual. Keep in mind that all information here is provided “as is” without any warranty of any kind.

Before doing any DIY service please check your insurance policy and BMW warranty policy for your region. In some regions DIY service may invalidate your warranty.

Maintenance Items

Chassis and Body Fastener Tightening Specifications
Engine Fastener Tightening Specifications
Front Suspension Fastener Tightening Specifications
Rear Suspension Fastener Tightening Specifications
Transmission Fastener Tightening Specifications

Service Intervals

Conquer your fears and never give up!

DIY car service is not as difficult as it looks like and it might save you thousands of dollars per year. It might be even fun and a good thing to do with your kids on a weekend to teach them how basic machinery works. It's really hard to screw something up and damage your car permanently if you use right tools, follow BMW X6 service manual and use right parts and fluids in prescribed amounts. Even modern cars stuffed with electronics can be serviced in your garage or even in your driveway. Changing engine oil, brake fluid, ATF, replacing brake pads, and etc. It's all may be done by yourself in a mater of a couple of hours.

Doing basic service for your 2008 BMW X6 you're not only saving money, but also also improving your technical skills and learning something new.

2008 BMW X6 First generation Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

BMW X6 First generation model years

Suggest edit