2008 BMW 7 Series engine fastener tightening specifications

For 2008 7 Series Fifth generation BMW recommends to use: and genuine OEM consumables with following part numbers: 11127582454, and 11127607557. To select the right part or fluid see the table below.

in your garage to make future searches easy.

Condition	Value

expand_moreAir intake system

expand_moreIntake manifold

expand_more730 d with diesel straight-6 3.0 L 241 HP engine (2008.10–2015.12)

Figure 1. Air intake system, Intake manifold, 730 d with diesel straight-6 3.0 L 241 HP engine (2008.10–2015.12).


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
See figure 1.
Figure 2. Air intake system, Intake manifold, 730 d with diesel straight-6 3.0 L 241 HP engine (2008.10–2015.12).
Second stage	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
See figure 2.

expand_more750 i with gasoline V8 4.4 L 402 HP engine (2008.10–2015.12)


M7	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


M8	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_moreAuxiliary drive belt tensioner


750 i with gasoline V8 4.4 L 402 HP engine (2008.10–2015.12)	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreAll other modifications


M10	28.03 lbf⋅ft28.03 lbf⋅ft38 N⋅m

expand_moreAuxiliary drive belt tensioner


M10	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m

expand_moreAir-conditioning compressor

expand_more730 i, Li with gasoline straight-6 3.0 L 255 HP engine (2008.6–2015.12)


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


750 i with gasoline V8 4.4 L 402 HP engine (2008.10–2015.12)	13.28–17.7 lbf⋅ft13.28–17.7 lbf⋅ft18–24 N⋅m
All other modifications	28.03 lbf⋅ft28.03 lbf⋅ft38 N⋅m

expand_moreAir-conditioning compressor bracket


740 i with gasoline straight-6 3.0 L 322 HP engine (2008.10–2015.12)	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_moreAir-conditioning compressor pressure line

expand_moreAll other modifications


M8	13.28 lbf⋅ft13.28 lbf⋅ft18 N⋅m

expand_moreAlternator

expand_more730 i, Li with gasoline straight-6 3.0 L 255 HP engine (2008.6–2015.12)

expand_moreM8


First stage	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Second stage	190°190°190°


740 i with gasoline straight-6 3.0 L 322 HP engine (2008.10–2015.12)	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_more750 i with gasoline V8 4.4 L 402 HP engine (2008.10–2015.12)


M8	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m


All other modifications	28.03 lbf⋅ft28.03 lbf⋅ft38 N⋅m


Servo pump pulley	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m
Replace screws.
Servo steering pump	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Vacuum pump	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace screws.
Vacuum pump sprocket wheel	48.68 lbf⋅ft48.68 lbf⋅ft66 N⋅m
Clean and lubricate the screws.

expand_moreCarburetion

expand_moreFuel-distributing pipe


740 i with gasoline straight-6 3.0 L 322 HP engine (2008.10–2015.12)	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m

expand_more750 i with gasoline V8 4.4 L 402 HP engine (2008.10–2015.12)


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


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

expand_moreHigh-pressure line

expand_more740 i with gasoline straight-6 3.0 L 322 HP engine (2008.10–2015.12)


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_more750 i with gasoline V8 4.4 L 402 HP engine (2008.10–2015.12)

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_moreAll other modifications


On high-pressure pump	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m
On rail	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m

expand_moreHigh-pressure pump

expand_more740 i with gasoline straight-6 3.0 L 322 HP engine (2008.10–2015.12)


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

expand_more750 i with gasoline V8 4.4 L 402 HP engine (2008.10–2015.12)


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


All other modifications	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_moreHigh-pressure pump pulley

expand_moreAll other modifications


Cap	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace the cover plate.
Central screws	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m

expand_moreInjection hoses

expand_more750 i with gasoline V8 4.4 L 402 HP engine (2008.10–2015.12)

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_moreAll other modifications


On injector	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m
On rail	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m

expand_moreInjection nozzle (injector)

expand_more740 i with gasoline straight-6 3.0 L 322 HP engine (2008.10–2015.12)


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

expand_more750 i with gasoline V8 4.4 L 402 HP engine (2008.10–2015.12)


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

expand_moreAll other modifications


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Replace copper sealing rings.
Second stage	19.18 lbf⋅ft19.18 lbf⋅ft26 N⋅m

expand_moreInjection pump pulley


730 d with diesel straight-6 3.0 L 241 HP engine (2008.10–2015.12)	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m

expand_moreCharging

expand_moreTurbo charger

expand_more750 i with gasoline V8 4.4 L 402 HP engine (2008.10–2015.12)

expand_moreClamps


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

expand_moreAll other modifications


Clamps	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m

expand_moreOn the engine block


Support	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_moreCooling system

expand_moreCoolant drain plug


M14	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace sealing rings.

expand_moreCoolant pump


750 i with gasoline V8 4.4 L 402 HP engine (2008.10–2015.12)	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace sealing rings.
All other modifications	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Replace sealing rings.

expand_moreCylinder head

expand_moreCamshaft bearing

expand_more730 i, Li with gasoline straight-6 3.0 L 255 HP engine (2008.6–2015.12)


Inlet camshaft	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
Replace aluminum screws.

expand_moreOutlet camshaft


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Replace aluminum screws.
Second stage	60°60°60°
Install bearing using special tool.

expand_more740 i with gasoline straight-6 3.0 L 322 HP engine (2008.10–2015.12)


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Second stage	60°60°60°

expand_more750 i with gasoline V8 4.4 L 402 HP engine (2008.10–2015.12)


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


Bearing cap	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
helically from the inside out

expand_moreBearing casing

Figure 3. Cylinder head, Camshaft bearing, All other modifications, Bearing casing.


Screws 1 – 20	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m
See figure 3.

expand_moreCylinder head screws

expand_more730 d with diesel straight-6 3.0 L 241 HP engine (2008.10–2015.12)

expand_moreScrews 1 – 14 (M12 × 1,5 × 200)

Figure 4. Cylinder head, Cylinder head screws, 730 d with diesel straight-6 3.0 L 241 HP engine (2008.10–2015.12), Screws 1 – 14 (M12 × 1,5 × 200).


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws. See figure 4.
Second stage	120°120°120°
Third stage	120°120°120°

expand_moreScrews 1 – 14 (M12 × 1,5 × 204,5)


First stage	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
Replace screws. See figure 4.
Second stage	180° detach
Third stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Fourth stage	120°120°120°
Fifth stage	120°120°120°

expand_moreScrew 15


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

expand_more730 i, Li with gasoline straight-6 3.0 L 255 HP engine (2008.6–2015.12)

expand_moreMagnesium valve cover

expand_moreScrews 1 – 14

Figure 5. Cylinder head, Cylinder head screws, 730 i, Li with gasoline straight-6 3.0 L 255 HP engine (2008.6–2015.12), Magnesium valve cover, Screws 1 – 14.


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace screws. See figure 5.
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	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Replace screws.
Sixth stage	90°90°90°

expand_morePlastic valve cover

expand_moreScrews 1 – 14


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace screws. See figure 5.
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	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace screws.

expand_moreScrews 15 – 17


Sixth stage	90°90°90°

expand_moreScrew 18


Seventh stage	135°135°135°

expand_more740 i with gasoline straight-6 3.0 L 322 HP engine (2008.10–2015.12)

expand_moreM11

Figure 6. Cylinder head, Cylinder head screws, 740 i with gasoline straight-6 3.0 L 322 HP engine (2008.10–2015.12), M11.


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

expand_moreM9 × 125 screws


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace screws.
Second stage	90°90°90°
Third stage	45°45°45°


M9 × 30 screws	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
M9 × 70 screws	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreM9 × 95 screws


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace screws.
Second stage	90°90°90°
Third stage	45°45°45°

expand_more750 i with gasoline V8 4.4 L 402 HP engine (2008.10–2015.12)

expand_moreScrews 1 – 10

Figure 7. Cylinder head, Cylinder head screws, 750 i with gasoline V8 4.4 L 402 HP engine (2008.10–2015.12), Screws 1 – 10.


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace screws. See figure 7.	Part number: 11127582454
Second stage	90°90°90°
Third stage	90°90°90°

expand_moreScrews 1 – 10


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace screws.	Part number: 11127607557
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_moreAll other modifications

expand_moreScrews 1 – 14 (M12 × 1,5 × 200)

Figure 8. Cylinder head, Cylinder head screws, All other modifications, Screws 1 – 14 (M12 × 1,5 × 200).


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws. See figure 8.
Second stage	120°120°120°
Third stage	120°120°120°

expand_moreScrew 15


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

expand_moreValve cover

expand_more730 i, Li with gasoline straight-6 3.0 L 255 HP engine (2008.6–2015.12)

expand_moreMagnesium valve cover


First stage	5.16 lbf⋅ft5.16 lbf⋅ft7 N⋅m
Replace screws.
Second stage	90°90°90°


Plastic valve cover	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_more740 i with gasoline straight-6 3.0 L 322 HP engine (2008.10–2015.12)


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

expand_more750 i with gasoline V8 4.4 L 402 HP engine (2008.10–2015.12)

Figure 9. Cylinder head, Valve cover, 750 i with gasoline V8 4.4 L 402 HP engine (2008.10–2015.12).


First cylinder row	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Note correct order of tensioning. See figure 9.
Figure 10. Cylinder head, Valve cover, 750 i with gasoline V8 4.4 L 402 HP engine (2008.10–2015.12).
Second cylinder row	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Note correct order of tensioning. See figure 10.


All other modifications	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreEngine block

expand_moreConnecting rod bearing

expand_more730 i, Li with gasoline straight-6 3.0 L 255 HP engine (2008.6–2015.12)


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screw, wash and slightly oil.
Second stage	120°120°120°

expand_more740 i with gasoline straight-6 3.0 L 322 HP engine (2008.10–2015.12)


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Second stage	140°140°140°

expand_more750 i with gasoline V8 4.4 L 402 HP engine (2008.10–2015.12)


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_moreAll other modifications


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace and lightly oil the screw.
Second stage	70°70°70°

expand_moreCrankshaft central screws

expand_more730 i, Li with gasoline straight-6 3.0 L 255 HP engine (2008.6–2015.12)

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_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


M10	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreDrive plate

expand_more740 i with gasoline straight-6 3.0 L 322 HP engine (2008.10–2015.12)


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


750 i with gasoline V8 4.4 L 402 HP engine (2008.10–2015.12)	77.44 lbf⋅ft77.44 lbf⋅ft105 N⋅m
Replace bolts.
All other modifications	88.51 lbf⋅ft88.51 lbf⋅ft120 N⋅m
Replace screws.

expand_moreEngine block closure screws

expand_moreBMW diesel straight-6 3.0 L N57 D30 A 241 HP


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_more730 i, Li with gasoline straight-6 3.0 L 255 HP engine (2008.6–2015.12)

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_more730 i, Li with gasoline straight-6 3.0 L 255 HP engine (2008.6–2015.12)

expand_moreM10 × 100 screws


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

expand_moreM10 × 27 screws


First stage	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Replace bolts.
Second stage	90°90°90°

expand_moreM10 × 41 screws


First stage	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Replace bolts.
Second stage	90°90°90°

expand_moreM8 × 37 screws


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

expand_more740 i with gasoline straight-6 3.0 L 322 HP engine (2008.10–2015.12)

expand_moreM10 × 100 screws


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

expand_moreM10 × 27 screws


First stage	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreM10 × 41 screws


First stage	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreM8 × 37 screws


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

expand_more750 i with gasoline V8 4.4 L 402 HP engine (2008.10–2015.12)

expand_moreScrews 1 – 10

Figure 11. Engine block, Main bearing, 750 i with gasoline V8 4.4 L 402 HP engine (2008.10–2015.12), Screws 1 – 10.


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws. See figure 11.
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

expand_moreSixth stage

expand_moreScrews 1 – 10


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
	Part number: 11127607557
Second stage	90°90°90°
Third stage	140°140°140°

expand_moreThreaded sleeve


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

expand_moreAll other modifications


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°

expand_moreVibration damper

expand_moreBMW gasoline straight-6 3.0 L N52 B30 A 255 HP


M8	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_moreBMW gasoline straight-6 3.0 L N54 B30 A 322 HP


M8 × 16 screws	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_moreAll other modifications


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_more730 i, Li with gasoline straight-6 3.0 L 255 HP engine (2008.6–2015.12)

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_more740 i with gasoline straight-6 3.0 L 322 HP engine (2008.10–2015.12)


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

expand_more750 i with gasoline V8 4.4 L 402 HP engine (2008.10–2015.12)


M14	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m


All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreCamshaft timing chain slip rail

expand_more730 i, Li with gasoline straight-6 3.0 L 255 HP engine (2008.6–2015.12)

expand_moreAt the cylinder head


M6 × 35 screws	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreAll other modifications


M7	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_moreCamshaft timing chain tensioner

expand_more730 i, Li with gasoline straight-6 3.0 L 255 HP engine (2008.6–2015.12)

expand_moreN52 engine


Magnesium valve cover	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace sealing rings.
Plastic valve cover	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
Replace sealing rings.

expand_more750 i with gasoline V8 4.4 L 402 HP engine (2008.10–2015.12)


M7	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m


All other modifications	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
Replace sealing rings.

expand_moreCamshaft timing chain tensioning rail


730 d with diesel straight-6 3.0 L 241 HP engine (2008.10–2015.12)	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_more730 i, Li with gasoline straight-6 3.0 L 255 HP engine (2008.6–2015.12)

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

expand_moreAll other modifications


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


Camshaft timing gear	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m

expand_moreChain tensioner

expand_more740 i with gasoline straight-6 3.0 L 322 HP engine (2008.10–2015.12)


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

expand_moreAll other modifications


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


Control drive chain guide rail	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreControl drive chain tensioner


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


Control drive chain tensioning rail	14.75 lbf⋅ft14.75 lbf⋅ft20 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_more750 i with gasoline V8 4.4 L 402 HP engine (2008.10–2015.12)

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_moreAll other modifications

expand_moreCentral screws


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

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°


Oil pump drive chain tensioner	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreOutlet camshaft wheel

expand_more750 i with gasoline V8 4.4 L 402 HP engine (2008.10–2015.12)

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_moreAll other modifications

expand_moreCentral screws


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

expand_moreTiming case cover

expand_more740 i with gasoline straight-6 3.0 L 322 HP engine (2008.10–2015.12)


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

expand_moreAll other modifications

expand_moreOn the engine block


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

expand_moreOn timing case cover


Cap	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace the cover plate.

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 drain plug

expand_more750 i with gasoline V8 4.4 L 402 HP engine (2008.10–2015.12)


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 housing

expand_more730 i, Li with gasoline straight-6 3.0 L 255 HP engine (2008.6–2015.12)


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_more750 i with gasoline V8 4.4 L 402 HP engine (2008.10–2015.12)

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


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

expand_moreOil lines

expand_moreAll other modifications


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_more730 d with diesel straight-6 3.0 L 241 HP engine (2008.10–2015.12)


On the engine block	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m
Replace screws.

expand_more730 i, Li with gasoline straight-6 3.0 L 255 HP engine (2008.6–2015.12)

expand_moreM8 × 123 screws


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

expand_moreM8 × 31 screws


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

expand_more740 i with gasoline straight-6 3.0 L 322 HP engine (2008.10–2015.12)

expand_moreM8 × 123 screws


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

expand_moreM8 × 31 screws


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

expand_moreAll other modifications


M8	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m

expand_moreOil pump chain wheel

expand_more730 i, Li with gasoline straight-6 3.0 L 255 HP engine (2008.6–2015.12)


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

expand_more750 i with gasoline V8 4.4 L 402 HP engine (2008.10–2015.12)

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	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Left-hand thread
Second stage	50°50°50°

expand_moreOil sump

expand_more730 i, Li with gasoline straight-6 3.0 L 255 HP engine (2008.6–2015.12)

expand_moreAluminium oil sump (M8 × 112)


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Replace screws.
Second stage	60°60°60°

expand_moreAluminium oil sump (M8 × 92)


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Replace screws.
Second stage	180°180°180°

expand_moreSheet-steel sump M8 × 24 screws


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Replace screws.
Second stage	60°60°60°

expand_moreM8 × 26 screws


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Replace screws.
Second stage	60°60°60°

expand_more740 i with gasoline straight-6 3.0 L 322 HP engine (2008.10–2015.12)

expand_moreM8 × 112 screws


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Replace bolts.
Second stage	180°180°180°

expand_moreM8 × 26 screws


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Replace bolts.
Second stage	60°60°60°

expand_moreM8 × 36 screws


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

expand_more750 i with gasoline V8 4.4 L 402 HP engine (2008.10–2015.12)


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


All other modifications	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_moreEngine management

expand_moreCamshaft sensor

expand_more750 i with gasoline V8 4.4 L 402 HP engine (2008.10–2015.12)


M6	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m


All other modifications	2.95 lbf⋅ft2.95 lbf⋅ft4 N⋅m

expand_moreCrankshaft sensor

expand_more750 i with gasoline V8 4.4 L 402 HP engine (2008.10–2015.12)


M6	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m


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


Exhaust gas temperature sensor	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreGlow plugs


All other modifications	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m

expand_moreKnock sensor


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


Lambda sensor	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m

expand_moreEngine mounting

expand_moreEngine bracket

expand_moreAll other modifications

expand_moreOn the engine block


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

expand_moreEngine mounting

expand_moreAt the subframe


M8 screws (class 8.8)	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_moreOn engine bracket


M12 screws (class 10.9)	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m

expand_moreSubframe

expand_moreOn chassis


M12	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m

expand_moreExhaust system

expand_moreCatalytic converter

expand_moreAll other modifications

expand_moreClamps


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

expand_moreDiesel particulate filter

expand_moreBMW diesel straight-6 3.0 L N57 D30 A 241 HP

expand_moreM8


At the bracket	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_moreExhaust manifold

expand_more730 i, Li with gasoline straight-6 3.0 L 255 HP engine (2008.6–2015.12)


M7	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m


740 i with gasoline straight-6 3.0 L 322 HP engine (2008.10–2015.12)	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_more750 i with gasoline V8 4.4 L 402 HP engine (2008.10–2015.12)


M8	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_moreAll other modifications


M7	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m
Tighten in steps from inside to outside.

expand_moreExhaust pipe


M8	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m

expand_moreExhaust pipe bracket


At the gearbox	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreFuel supply

expand_moreFuel filter bracket


M6	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreIgnition system

expand_moreSpark plugs


M12 × 1,25 screws	14.75–19.18 lbf⋅ft14.75–19.18 lbf⋅ft20–26 N⋅m
M14 × 1,25 screws	19.91–24.34 lbf⋅ft19.91–24.34 lbf⋅ft27–33 N⋅m

expand_moreStart system

expand_moreStarter

expand_more730 i, Li with gasoline straight-6 3.0 L 255 HP engine (2008.6–2015.12)

expand_moreM10 × 30 screws


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreM10 × 85 screws


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws.
Second stage	180°180°180°


740 i with gasoline straight-6 3.0 L 322 HP engine (2008.10–2015.12)	28.03 lbf⋅ft28.03 lbf⋅ft38 N⋅m

expand_more750 i with gasoline V8 4.4 L 402 HP engine (2008.10–2015.12)


M10	28.03 lbf⋅ft28.03 lbf⋅ft38 N⋅m


All other modifications	14.01 lbf⋅ft14.01 lbf⋅ft19 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 7 Series 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

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 7 Series 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 7 Series you're not only saving money, but also also improving your technical skills and learning something new.

2008 BMW 7 Series generations

In 2008 BMW offered 2 generations of the 7 Series. Engine fastener tightening specifications may vary in different generations. Be sure that you are looking at the rigt modification.

Fourth generation LCI

E65, E66, E67

2008 BMW 7 Series Fifth generation Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

2008 BMW 7 Series generations

Fourth generation LCI

BMW 7 Series Fifth generation model years

Suggest edit