1998 BMW 7 Series transmission fastener tightening specifications

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Condition	Value

expand_moreAxle drive


Propeller shaft intermediate bearing	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m

expand_morePropeller shaft


M10 screws (class 10.9)	47.2 lbf⋅ft47.2 lbf⋅ft64 N⋅m
M10 screws (class 8.8)	35.4 lbf⋅ft35.4 lbf⋅ft48 N⋅m
M12 screws (class 10.9)	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
M12 screws (class 8.8)	59.74 lbf⋅ft59.74 lbf⋅ft81 N⋅m
M14	103.26 lbf⋅ft103.26 lbf⋅ft140 N⋅m

expand_moreRear axle drive shaft

expand_moreCollar nuts


M27	221.27 lbf⋅ft221.27 lbf⋅ft300 N⋅m
Replace nuts.

expand_moreM10 screws with ribbing


Torx screws	59 lbf⋅ft59 lbf⋅ft80 N⋅m
Replace screws.

expand_moreM10 × 50 screws without ribbing (class 10.9)


Torx screws	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Replace screws.

expand_moreM12 × 50 screws with ribbing (class 10.9)


Torx screws	99.57 lbf⋅ft99.57 lbf⋅ft135 N⋅m
Replace screws.

expand_moreClutch


Clutch pressure plate	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreGearbox lubrication

expand_moreGearbox oil drain plug


A5S 310Z gearbox	11.8 lbf⋅ft11.8 lbf⋅ft16 N⋅m
A5S 440Z gearbox	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreAll BMW gasoline V8 4.0 L M60 B40 (408S1) engines


A5S 560Z gearbox	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m

expand_moreAll BMW gasoline V8 3.5 L M62 B35 (358S1) engines


A5S 560Z gearbox	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m

expand_moreAll other modifications


S5D 260Z, S5D 310Z, and S5D 320Z gearboxes	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
S6S 420G gearbox	38.35 lbf⋅ft38.35 lbf⋅ft52 N⋅m

expand_moreGearbox oil filler plug


A5S 310Z gearbox	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
A5S 560Z gearbox	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m

expand_moreAll BMW gasoline V8 3.5 L M62 B35 (358S1) engines


A5S 440Z gearbox	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_moreAll other modifications


A5S 440Z gearbox	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
S5D 280Z, S5D 310Z and S5D 320Z gearboxes	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
S6S 420G gearbox	38.35 lbf⋅ft38.35 lbf⋅ft52 N⋅m

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 1998 BMW 7 Series 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 7 Series 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 1998 BMW 7 Series you're not only saving money, but also also improving your technical skills and learning something new.

1998 BMW 7 Series generations

In 1998 BMW offered 2 generations of the 7 Series. Transmission fastener tightening specifications may vary in different generations. Be sure that you are looking at the rigt modification.

Third generation

E38

1998 BMW 7 Series Third generation LCI Transmission Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

1998 BMW 7 Series generations

Third generation

BMW 7 Series Third generation LCI model years

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