in your garage to make future searches easy.

Condition Value
expand_moreAir intake system
expand_moreIntake manifold
M6 7.38 lbf⋅ft
M7 11.06 lbf⋅ft
M8 16.23 lbf⋅ft
expand_moreCylinder head
expand_moreCylinder head screws
Figure 1. Cylinder head, Cylinder head screws.
Figure 1. Cylinder head, Cylinder head screws.
First stage 30°
See figure 1.
Second stage 90°
Third stage 90°
expand_moreValve cover
M6 7.38 lbf⋅ft
M7 11.06 lbf⋅ft
expand_moreEngine block
expand_moreConnecting rod bearing
First stage 3.69 lbf⋅ft
Replace screws.
Second stage 22.13 lbf⋅ft
Third stage 70°
Crankshaft pulley 16.23 lbf⋅ft
Drive plate 88.51 lbf⋅ft
Replace screws.
Flywheel 77.44 lbf⋅ft
expand_moreMain bearing
First stage 18.44 lbf⋅ft
Replace screws, wash and slightly oil.
Second stage 50°
expand_moreEngine control
expand_moreTiming case cover
M7 11.06 lbf⋅ft
M8 14.75 lbf⋅ft
expand_moreEngine lubrication
Oil drain plug 18.44 lbf⋅ft
expand_moreEngine management
Lambda sensor 36.88 lbf⋅ft
expand_moreExhaust system
expand_moreExhaust manifold
M6 7.38 lbf⋅ft
Replace nuts.
M7 11.06 lbf⋅ft
Replace nuts.
M8 16.96 lbf⋅ft
Replace nuts.
expand_moreIgnition system
expand_moreSpark plugs
M12 14.7519.18 lbf⋅ft
M14 19.9124.34 lbf⋅ft

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2003 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.

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 2003 BMW 3 Series M3 Coupe you're not only saving money, but also also improving your technical skills and learning something new.

BMW 3 Series M3 Coupe Second generation model years

Units:
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