2008 BMW 7 Series transmission fastener tightening specifications

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Condition	Value

expand_moreAxle drive

expand_moreDrive shaft intermediate bearing

expand_moreOn engine sump


M8	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_moreFront axle drive shaft

expand_moreM16 central screws


First stage	154.89 lbf⋅ft154.89 lbf⋅ft210 N⋅m
Replace screws.
Second stage	90°90°90°


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

expand_morePropeller shaft

expand_moreInsert nuts


First stage	88.51 lbf⋅ft88.51 lbf⋅ft120 N⋅m
Replace nuts and let cure for 2 hours.
Second stage	90° detach.
Third stage	62.69 lbf⋅ft62.69 lbf⋅ft85 N⋅m

expand_moreM12 screws (class 10.9)


First stage	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
Replace screws and nuts.
Second stage	90°90°90°

expand_moreRear axle drive shaft

expand_moreCentral nuts


First stage	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Replace nuts.
Second stage	45°45°45°

expand_moreF03 series


Central nuts	309.78 lbf⋅ft309.78 lbf⋅ft420 N⋅m
Replace nuts.

expand_moreTransfer case propeller shaft front axle

expand_moreM8


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws.
Second stage	45°45°45°

expand_moreTransfer case propeller shaft rear axle

expand_moreInsert nuts


First stage	88.51 lbf⋅ft88.51 lbf⋅ft120 N⋅m
Replace nuts and let cure for 2 hours.
Second stage	90° detach.
Third stage	62.69 lbf⋅ft62.69 lbf⋅ft85 N⋅m

expand_moreScrews (M12 10.9)


First stage	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
Replace screws and nuts.
Second stage	90°90°90°

expand_moreDifferential

expand_moreDifferential cover

expand_moreAll other modifications


M12	103.26 lbf⋅ft103.26 lbf⋅ft140 N⋅m

expand_moreFront axle differential

expand_moreOn engine sump


M12	103.26 lbf⋅ft103.26 lbf⋅ft140 N⋅m

expand_moreFront axle differential oil drain plug


M22	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Use new screw.

expand_moreFront axle differential oil filler plug


M22	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Use new screw.

expand_moreRear axle differential

expand_moreAt the axle support


M14	129.07 lbf⋅ft129.07 lbf⋅ft175 N⋅m
Replace nuts.

expand_moreAt the axle support (M12)


First stage	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreRear axle differential oil filler screws


M22	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Use new screw.

expand_moreGear shifting

expand_moreGearbox shift lever

expand_more740 i with gasoline straight-6 3.0 L 322 HP engine (2008.10–2015.12)

expand_moreAt the GA6HP19Z gearbox


M8	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAt the GA6HP26Z gearbox


M8	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAt the GA6HP32Z gearbox


M8	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreGearbox

expand_moreGearbox flange connection at engine

expand_more730 i, Li with gasoline straight-6 3.0 L 255 HP engine (2008.6–2015.12)

expand_moreAluminium screws (M10 × 30)


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws.
Second stage	90–110°90–110°90–110°

expand_moreAluminium screws (M10 × 85)


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws.
Second stage	180–200°180–200°180–200°

expand_moreAluminium screws (M12)


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws.
Second stage	130°130°130°

expand_moreM10


Torx screws	28.03 lbf⋅ft28.03 lbf⋅ft38 N⋅m

expand_moreM12


Torx steel 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 steel screws	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_moreAll other modifications

expand_moreM10


Torx screws	28.03 lbf⋅ft28.03 lbf⋅ft38 N⋅m

expand_moreM12


Torx steel 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 steel screws	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_moreTorque converter


All other modifications	41.3 lbf⋅ft41.3 lbf⋅ft56 N⋅m
Replace screws.

expand_moreGearbox lubrication

expand_moreDistributor gearbox oil drain plug


ATC350 transfer case	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Use new screw.


Distributor gearbox oil filler screws	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Use new screw.

expand_moreGearbox oil drain plug


All other modifications	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreGearbox oil filler plug


M18 × 1,5 screws	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_moreGearbox oil sump

expand_more730 d with diesel straight-6 3.0 L 241 HP engine (2008.10–2015.12)


GA6HP26Z gearbox	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_more730 i, Li with gasoline straight-6 3.0 L 255 HP engine (2008.6–2015.12)


GA6HP19Z gearbox	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreGA8HP45Z gearbox


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

expand_more740 i with gasoline straight-6 3.0 L 322 HP engine (2008.10–2015.12)


GA6HP19Z gearbox	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_more750 i with gasoline V8 4.4 L 402 HP engine (2008.10–2015.12)


GA6HP19Z gearbox	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
GA6HP26Z gearbox	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAll other modifications


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

expand_moreGearbox mounting

expand_moreGearbox cross support

expand_moreAll other modifications

expand_moreOn chassis


M8	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_moreOn rubber mount


M8	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_moreGearbox mounting

expand_moreScrews at the gearbox bracket


M8	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_moreAt the crossmember


M8	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_moreGearbox support

expand_moreAt the gearbox


M10	35.4 lbf⋅ft35.4 lbf⋅ft48 N⋅m

expand_moreTransfer case


Transfer box onto transmission flange connection	31.72 lbf⋅ft31.72 lbf⋅ft43 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 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.

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 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 2008 BMW 7 Series you're not only saving money, but also also improving your technical skills and learning something new.

2008 BMW 7 Series generations

In 2008 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.

Fourth generation LCI

E65, E66, E67

2008 BMW 7 Series Fifth generation Transmission Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

2008 BMW 7 Series generations

Fourth generation LCI

BMW 7 Series Fifth generation model years

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