2008 BMW 3 Series M3 Coupe engine fastener tightening specifications

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Condition	Value

expand_moreAir intake system

expand_moreIntake manifold


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_moreAir-conditioning compressor bracket


M with gasoline V8 4.0 L 414 HP at 8300 RPM, 400 N⋅m at 3900 RPM engine (2007.3–2013.12)	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_moreCooling system

expand_moreRadiator drain screws


M with gasoline V8 4.0 L 414 HP at 8300 RPM, 400 N⋅m at 3900 RPM engine (2007.3–2013.12)	1.84 lbf⋅ft1.84 lbf⋅ft2.5 N⋅m

expand_moreRadiator mounting


M with gasoline V8 4.0 L 414 HP at 8300 RPM, 400 N⋅m at 3900 RPM engine (2007.3–2013.12)	1.84 lbf⋅ft1.84 lbf⋅ft2.5 N⋅m

expand_moreCylinder head

expand_moreCamshaft bearing

expand_moreM GTS with gasoline V8 4.4 L 444 HP engine (2007.3–2013.12)


M7	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m

expand_moreCylinder head screws

Figure 1. Cylinder head, Cylinder head screws.


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace screws. See figure 1.
Second stage	90°90°90°
Third stage	90°90°90°

expand_moreValve cover


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

expand_moreEngine block

expand_moreConnecting rod bearing

expand_moreAll BMW gasoline V8 4.0 L S65 B40 A engines


First stage	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m
Replace and lightly oil the screw.
Second stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Third stage	130°130°130°

expand_moreAll BMW gasoline V8 4.4 L S65 B44 A engines

expand_moreM9


First stage	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m
Replace screw, wash and slightly oil.
Second stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Third stage	130°130°130°

expand_moreCrankshaft central screws

expand_moreM GTS with gasoline V8 4.4 L 444 HP engine (2007.3–2013.12)

expand_moreM12 × 1,5 screws (class 12.9)


First stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Second stage	40°40°40°
Third stage	40°40°40°

expand_moreCrankshaft pulley

expand_moreM with gasoline V8 4.0 L 414 HP at 8300 RPM, 400 N⋅m at 3900 RPM engine (2007.3–2013.12)


First stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Second stage	40°40°40°
Third stage	40°40°40°

expand_moreFlywheel

expand_moreAll BMW gasoline V8 4.0 L S65 B40 A engines


M12 × 1,5 screws	77.44 lbf⋅ft77.44 lbf⋅ft105 N⋅m
Replace screws.

expand_moreAll BMW gasoline V8 4.4 L S65 B44 A engines


M12	77.44 lbf⋅ft77.44 lbf⋅ft105 N⋅m

expand_moreMain bearing


M6 × 30 screws	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_moreM8 × 40 screws


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Second stage	60°60°60°

expand_moreM8 × 65 screws


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Second stage	90°90°90°

expand_moreAll BMW gasoline V8 4.0 L S65 B40 A engines

expand_moreM11 × 115 screws


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Second stage	130°130°130°

expand_moreM9 × 97 screws


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Second stage	130°130°130°

expand_moreAll BMW gasoline V8 4.4 L S65 B44 A engines

expand_moreM11

expand_moreFirst stage


First step	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace screws.
Second step	130°130°130°


Second stage	slacken

expand_moreThird stage


First step	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Second step	130°130°130°


Fourth stage	slacken

expand_moreFifth stage


First step	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Second step	130°130°130°

expand_moreVibration damper


M with gasoline V8 4.0 L 414 HP at 8300 RPM, 400 N⋅m at 3900 RPM engine (2007.3–2013.12)	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreEngine control

expand_moreCamshaft timing gear

expand_moreAll BMW gasoline V8 4.0 L S65 B40 A engines


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Second stage	59 lbf⋅ft59 lbf⋅ft80 N⋅m
Third stage	200°200°200°

expand_moreAll BMW gasoline V8 4.4 L S65 B44 A engines

expand_moreVanos (M12)


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws.
Second stage	59 lbf⋅ft59 lbf⋅ft80 N⋅m
Left-hand thread
Third stage	200°200°200°
Fourth stage	slacken
Fifth stage	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Sixth stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Seventh stage	59 lbf⋅ft59 lbf⋅ft80 N⋅m
Eighth stage	200°200°200°

expand_moreChain tensioner

expand_moreAll BMW gasoline V8 4.0 L S65 B40 A engines


M26 × 1,5 screws	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m

expand_moreAll BMW gasoline V8 4.4 L S65 B44 A engines


M26 × 1,5 screws	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Replace screws.

expand_moreTiming case cover


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

expand_moreEngine lubrication

expand_moreOil drain plug


All BMW gasoline V8 4.0 L S65 B40 A engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace sealing rings.

expand_moreAll BMW gasoline V8 4.4 L S65 B44 A engines


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

expand_moreOil filter housing

expand_moreM GTS with gasoline V8 4.4 L 444 HP engine (2007.3–2013.12)


Oil filter cover	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreOn the engine block


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
M8	13.28 lbf⋅ft13.28 lbf⋅ft18 N⋅m

expand_moreOil pump

expand_moreM GTS with gasoline V8 4.4 L 444 HP engine (2007.3–2013.12)

expand_moreOnto crankcase


M8	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreOil pump chain wheel


All BMW gasoline V8 4.0 L S65 B40 A engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll BMW gasoline V8 4.4 L S65 B44 A engines


M10	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace nuts.

expand_moreOil sump


All BMW gasoline V8 4.0 L S65 B40 A engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAll BMW gasoline V8 4.4 L S65 B44 A engines


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreEngine management

expand_moreCamshaft sensor

expand_moreM GTS with gasoline V8 4.4 L 444 HP engine (2007.3–2013.12)

expand_moreM6


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


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

expand_moreEngine mounting

expand_moreAt the crossmember


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

expand_moreClass 10.9


M8	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m

expand_moreSubframe

expand_moreM10


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


M12	79.66 lbf⋅ft79.66 lbf⋅ft108 N⋅m

expand_moreExhaust system

expand_moreExhaust manifold

expand_moreAll BMW gasoline V8 4.0 L S65 B40 A engines

expand_moreAt the cylinder head


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
M7	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
M8	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace nuts.

expand_moreAll BMW gasoline V8 4.4 L S65 B44 A engines


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace nuts.
M7	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
M8	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreExhaust pipe bracket

expand_moreAt the gearbox


M8	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreIgnition system

expand_moreSpark plugs

expand_moreAll BMW gasoline V8 4.0 L S65 B40 A engines


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_moreAll BMW gasoline V8 4.4 L S65 B44 A engines


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_moreAll BMW gasoline V8 4.0 L S65 B40 A engines

expand_moreOn gearbox case


M10	30.98 lbf⋅ft30.98 lbf⋅ft42 N⋅m

expand_moreAll BMW gasoline V8 4.4 L S65 B44 A engines

expand_moreAt the gearbox


M10	30.98 lbf⋅ft30.98 lbf⋅ft42 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 3 Series M3 Coupe 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 3 Series M3 Coupe 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 3 Series M3 Coupe you're not only saving money, but also also improving your technical skills and learning something new.

2008 BMW 3 Series M3 Coupe Third generation Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

BMW 3 Series M3 Coupe Third generation model years

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