1994 BMW 7 Series 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_moreCarburetion

expand_moreHigh-pressure pump pulley


M14 × 1,5 screws	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m

expand_moreCharging

expand_moreTurbo charger


On exhaust manifold	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Use hot screw paste


Turbocharger oil feed line	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace sealing rings.

expand_moreCylinder head

expand_moreCamshaft bearing


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
M7	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m
M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreCylinder head screws

expand_more730 i,iL with gasoline V8 3.0 L 208 HP engine (1994.10–2001.11)

Figure 1. Cylinder head, Cylinder head screws, 730 i,iL with gasoline V8 3.0 L 208 HP engine (1994.10–2001.11).


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Use new screws See figure 1.
Second stage	80°80°80°
Third stage	80°80°80°

expand_more740 i,iL with gasoline V8 4.0 L 282 HP, 400 N⋅m engine (1994.10–2001.11)


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
See figure 1.
Second stage	80°80°80°
Third stage	80°80°80°

expand_more750 i,iL with gasoline V12 5.4 L 322 HP engine (1994.12–2001.11)

Figure 2. Cylinder head, Cylinder head screws, 750 i,iL with gasoline V12 5.4 L 322 HP engine (1994.12–2001.11).


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace the screws, do not wash off the coating. See figure 2.
Second stage	60°60°60°
Third stage	60°60°60°

expand_moreValve cover


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
M7	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_moreEngine block

expand_moreCrankshaft central screws

expand_more750 i,iL with gasoline V12 5.4 L 322 HP engine (1994.12–2001.11)


First stage	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Replace bolt.
Second stage	60°60°60°
Third stage	60°60°60°

expand_moreAll other modifications


First stage	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Replace bolt.
Second stage	60°60°60°
Third stage	60°60°60°
Fourth stage	30°30°30°


Drive plate	88.51 lbf⋅ft88.51 lbf⋅ft120 N⋅m
Replace screws.

expand_moreFlywheel


BMW gasoline V12 5.4 L M73 B54 (54121) 322 HP	88.51 lbf⋅ft88.51 lbf⋅ft120 N⋅m
Replace screws.
BMW gasoline V12 5.4 L M73 B54 (54122) 322 HP	88.51 lbf⋅ft88.51 lbf⋅ft120 N⋅m
Replace screws.
All other modifications	77.44 lbf⋅ft77.44 lbf⋅ft105 N⋅m
Lightly lubricate the screws thread.

expand_moreVibration damper


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace bolts.
Second stage	60°60°60°
Third stage	60°60°60°

expand_moreEngine control

expand_moreChain tensioner locking screws


M30 × 1 screws	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
M40 × 1,5 screws	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreTension rail bearing screws


M16 × 1,5 screws	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace the bolt

expand_moreTiming case cover

expand_moreAll other modifications


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


Oil filter housing	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreOil sump


M6 screws (class 10.9)	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m
M6 8.8	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
M8	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreEngine management

expand_moreGlow plugs


Knock sensor	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreExhaust system

expand_moreCatalytic converter


M10	30.98 lbf⋅ft30.98 lbf⋅ft42 N⋅m
Replace nuts. Use hot screw paste.

expand_moreExhaust manifold

expand_moreAll other modifications


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

expand_moreIgnition system


Spark plugs	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 1994 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 1994 BMW 7 Series you're not only saving money, but also also improving your technical skills and learning something new.

1994 BMW 7 Series generations

In 1994 BMW offered 2 generations of the 7 Series. Engine fastener tightening specifications may vary in different generations. Be sure that you are looking at the rigt modification.

Second generation LCI

E32

1994 BMW 7 Series Third generation Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

1994 BMW 7 Series generations

Second generation LCI

BMW 7 Series Third generation model years

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