2008 BMW 5 Series M5 Sedan 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_moreCylinder head


Camshaft bearing	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
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
Tighten the screws cross-wise from inside to outside.
M7	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Tighten the screws cross-wise from inside to outside.

expand_moreEngine block

expand_moreConnecting rod bearing


First stage	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m
Replace, wash and lightly lubricate the screws.
Second stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Third stage	130°130°130°
Fourth stage	slacken
Fifth stage	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m
Sixth stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Seventh stage	130°130°130°
Eighth stage	slacken
Ninth stage	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m
Tenth stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Eleventh stage	130°130°130°

expand_moreCrankshaft central screws


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

expand_moreM12 × 1,25 screws (class 12.9)


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m


Flywheel	77.44 lbf⋅ft77.44 lbf⋅ft105 N⋅m
Replace screws.

expand_moreMain bearing


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
See figure 2.

Second stage	130°130°130°
See figure 2.
Figure 3. Engine block, Main bearing.
Third stage	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
See figure 3.

Fourth stage	100°100°100°
See figure 3.
Figure 4. Engine block, Main bearing.
Fifth stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Screw #1. See figure 4.

Sixth stage	90°90°90°
Screw #1. See figure 4.

Seventh stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Screw #2. See figure 4.

Eighth stage	60°60°60°
Screw #2. See figure 4.

Ninth stage	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Screw #3. See figure 4.

expand_moreVibration damper


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Second stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Third stage	40°40°40°
Fourth stage	40°40°40°

expand_moreEngine control

expand_moreChain tensioner


M26 × 1,5 screws	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Insert the screws dry.

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


M12 × 1,5 screws	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace sealing rings.

expand_moreOil filter housing


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

expand_moreM6


Oil filter drain plug	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreEngine management


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

expand_moreEngine mounting

expand_moreAt the axle support (M8)


Right	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m

expand_moreAt the axle support on the left side


M8 screws (class 8.8)	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m

expand_moreAt the bearing pedestal (M8)


Right	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m

expand_moreAt the bearing pedestal on the left side


M8 screws (class 8.8)	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m

expand_moreM10 screws (class 10.9)


Nuts	41.3 lbf⋅ft41.3 lbf⋅ft56 N⋅m

expand_moreSubframe


M12 screws (class 10.9)	73.76 lbf⋅ft73.76 lbf⋅ft100 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_moreExhaust manifold


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

expand_moreExhaust pipe


M10	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m
Replace nuts.

expand_moreExhaust pipe bracket

expand_moreAt the gearbox


M8	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m

expand_moreIgnition system


Spark plugs	14.75–19.18 lbf⋅ft14.75–19.18 lbf⋅ft20–26 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 5 Series M5 Sedan 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 5 Series M5 Sedan 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 5 Series M5 Sedan you're not only saving money, but also also improving your technical skills and learning something new.

2008 BMW 5 Series M5 Sedan Fifth generation LCI Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

BMW 5 Series M5 Sedan Fifth generation LCI model years

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