2012 BMW X6 M engine fastener tightening specifications

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Condition	Value

expand_moreAir intake system

expand_moreIntake manifold


M 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6)	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Tighten the screws evenly in several steps.

expand_moreAuxiliary assemblies

expand_moreAuxiliary drive belt tensioner


M 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6)	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m

expand_moreAir-conditioning compressor

expand_moreM 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6)


M10	28.03 lbf⋅ft28.03 lbf⋅ft38 N⋅m

expand_moreAir-conditioning compressor pressure line

expand_moreM 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6)


M6	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
M8	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m

expand_moreAlternator


M 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6)	28.03 lbf⋅ft28.03 lbf⋅ft38 N⋅m

expand_moreCarburetion

expand_moreHigh-pressure line

expand_moreM 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6)


Union nuts	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m

expand_moreHigh-pressure pump

expand_moreM 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6)


M8	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_moreHigh-pressure pump pulley

expand_moreM 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6)


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

expand_moreInjection hoses

expand_moreM 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6)


Union nuts	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m

expand_moreInjection nozzle (injector)

expand_moreM 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6)


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_moreCharging

expand_moreTurbo charger

expand_moreM 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6)


Clamps	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m

expand_moreScrews (M8 × 20)


First stage	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
Second stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreCooling system

expand_moreCoolant pump


M 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6)	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreCylinder head

expand_moreCamshaft bearing

expand_moreM 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6)


Bearing cap	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Tighten crosswise from inside to outside.

expand_moreBearing casing

Figure 1. Cylinder head, Camshaft bearing, M 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6), Bearing casing.


Screws 1 – 20	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m
Note correct order of tensioning. See figure 1.

expand_moreCylinder head screws

expand_moreM 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6)

expand_moreScrews 1 – 14

Figure 2. Cylinder head, Cylinder head screws, M 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6), Screws 1 – 14.


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Use new screws. See figure 2.
Second stage	180° detach
loosen in reverse order to the illustration
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_moreValve cover


BMW diesel straight-6 3.0 L N57 D30 C 375 HP, 740 N⋅m at 2000 RPM	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace sealing rings. See figure 3.

expand_moreBMW gasoline V8 4.4 L S63 B44 A 547 HP


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreEngine block

expand_moreConnecting rod bearing

expand_moreM 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6)


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

expand_moreDrive plate


M 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6)	88.51 lbf⋅ft88.51 lbf⋅ft120 N⋅m
Replace screws.

expand_moreMain bearing

expand_moreM 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6)


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	110°110°110°
Fourth stage	110°110°110°
Fifth stage	180° detach
Sixth stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Seventh stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Eighth stage	110°110°110°
Ninth stage	110°110°110°

expand_moreVibration damper

expand_moreM 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6)


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

expand_moreEngine control

expand_moreCamshaft timing chain guide rail


BMW diesel straight-6 3.0 L N57 D30 C 375 HP, 740 N⋅m at 2000 RPM	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreBMW gasoline V8 4.4 L S63 B44 A 547 HP


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

expand_moreCamshaft timing chain slip rail


M with gasoline V8 4.4 L 547 HP engine (2009.9–2014.6)	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_moreCamshaft timing chain tensioner


M 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6)	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
Replace sealing rings.

expand_moreCamshaft timing chain tensioning rail


BMW diesel straight-6 3.0 L N57 D30 C 375 HP, 740 N⋅m at 2000 RPM	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreBMW gasoline V8 4.4 L S63 B44 A 547 HP


M10	33.93 lbf⋅ft33.93 lbf⋅ft46 N⋅m
Insert the screws dry.
M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Insert the screws dry.

expand_moreCamshaft timing gear


M 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6)	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m

expand_moreChain tensioner

expand_moreM with gasoline V8 4.4 L 547 HP engine (2009.9–2014.6)


M7	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m

expand_moreControl drive chain guide rail


M 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6)	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreControl drive chain tensioner


M 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6)	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreControl drive chain tensioning rail


M 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6)	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreTiming case cover

expand_moreBMW diesel straight-6 3.0 L N57 D30 C 375 HP, 740 N⋅m at 2000 RPM


On high-pressure pump	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

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_moreBMW gasoline V8 4.4 L S63 B44 A 547 HP


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
M8	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m

expand_moreEngine lubrication

expand_moreOil drain plug


M 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6)	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace sealing rings.

expand_moreOil filter housing

expand_moreM 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6)


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

expand_moreOil pump

expand_moreM 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6)


M8 × 30 screws	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m
Use new screws

expand_moreM8 × 45 screws


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

expand_moreOil sump

expand_moreM 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6)

expand_moreAt the gearbox


M8	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_moreBearing pedestal on the engine sump


M8	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_moreOn axle (M12)


Torx screws	103.26 lbf⋅ft103.26 lbf⋅ft140 N⋅m

expand_moreOn the engine block


M8	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m
Replace sealing rings.

expand_moreEngine management

expand_moreCamshaft sensor


M 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6)	2.95 lbf⋅ft2.95 lbf⋅ft4 N⋅m

expand_moreCrankshaft sensor


M 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6)	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m

expand_moreExhaust gas temperature sensor


M 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6)	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreGlow plugs


M 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6)	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m

expand_moreLambda sensor


M 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6)	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m

expand_moreEngine mounting

expand_moreEngine bracket

expand_moreM 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6)

expand_moreOn the engine block


M10 screws (class 10.9)	41.3 lbf⋅ft41.3 lbf⋅ft56 N⋅m

expand_moreEngine mounting

expand_moreBMW diesel straight-6 3.0 L N57 D30 C 375 HP, 740 N⋅m at 2000 RPM

expand_moreAt the subframe


M10	28.03 lbf⋅ft28.03 lbf⋅ft38 N⋅m

expand_moreOn engine bracket


M12	50.15 lbf⋅ft50.15 lbf⋅ft68 N⋅m

expand_moreBMW gasoline V8 4.4 L S63 B44 A 547 HP


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_moreDiesel particulate filter

expand_moreM 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6)

expand_moreAt the turbocharger


Clamps	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Use new parts.

expand_moreExhaust manifold

expand_moreM 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6)

expand_moreM8


Stud screws	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m
Replace the stud bolt.

expand_moreNuts (M8)

Figure 4. Exhaust system, Exhaust manifold, M 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6), Nuts (M8).


First stage	8.11 lbf⋅ft8.11 lbf⋅ft11 N⋅m
Replace nuts. See figure 4.
Second stage	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_moreExhaust pipe

expand_moreM 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6)


Clamps	37.62 lbf⋅ft37.62 lbf⋅ft51 N⋅m

expand_moreStart system

expand_moreStarter


M 50 d with diesel straight-6 3.0 L 375 HP, 740 N⋅m at 2000 RPM engine (2011.8–2014.6)	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 2012 BMW X6 M 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 X6 M 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 2012 BMW X6 M you're not only saving money, but also also improving your technical skills and learning something new.

2012 BMW X6 M generations

In 2012 BMW offered 2 generations of the X6 M. Engine fastener tightening specifications may vary in different generations. Be sure that you are looking at the rigt modification.

First generation

E71, E72

2012 BMW X6 M First generation LCI Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

2012 BMW X6 M generations

First generation

BMW X6 M First generation LCI model years

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