Replace the nut and lightly oil the contact surfaces.
expand_moreM8 screws with ribbing
Torx screws
38.35 lbf⋅ft38.35 lbf⋅ft52 N⋅m
Replace screws.
expand_moreClutch
expand_moreClutch pressure plate
First stage
11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Replace screws.
Second stage
25°25°25°
Clutch slave cylinder
16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
expand_moreGearbox
expand_moreGearbox flange connection at engine
expand_moreM10
Torx screws
31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m
expand_moreM12
Torx screws
48.68 lbf⋅ft48.68 lbf⋅ft66 N⋅m
expand_moreM6
Torx screws
6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
expand_moreM8
Torx screws
14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m
expand_moreGearbox lubrication
expand_moreGearbox oil drain plug
GS6-53BZ gearbox
25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
GS7D36SG gearbox
5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Use new screw.
expand_moreGearbox oil filler plug
GS6-53BZ gearbox
25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
GS7D36SG gearbox
16.23–20.65 lbf⋅ft16.23–20.65 lbf⋅ft22–28 N⋅m
Use new screw.
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 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.
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 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 3 Series M3 Sedan you're not only saving money, but also also improving your technical skills and learning something new.
BMW 3 Series M3 Sedan Fifth generation model years