1999 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_more725 tds with diesel straight-6 2.5 L 141 HP engine (1996.4–2001.11)

Figure 1. Cylinder head, Cylinder head screws, 725 tds with diesel straight-6 2.5 L 141 HP engine (1996.4–2001.11).


First stage	59 lbf⋅ft59 lbf⋅ft80 N⋅m
Use new screws, and oil the screws. See figure 1.
Second stage	slacken
Third stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Fourth stage	90°90°90°
Fifth stage	90°90°90°

expand_more728 i,iL with gasoline straight-6 2.8 L 190 HP engine (1995.8–2001.11)

expand_moreAluminium engine block


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
See figure 1.
Second stage	90°90°90°
Third stage	90°90°90°

expand_moreGrey cast-iron engine block


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
See figure 1.
Second stage	90°90°90°
Third stage	90°90°90°

expand_more730 d with diesel straight-6 2.9 L 181 HP engine (1998.8–2000.4)

Figure 2. Cylinder head, Cylinder head screws, 730 d with diesel straight-6 2.9 L 181 HP engine (1998.8–2000.4).


First stage	59 lbf⋅ft59 lbf⋅ft80 N⋅m
See figure 2.
Second stage	slacken
Third stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Fourth stage	90°90°90°
Fifth stage	90°90°90°

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

Figure 3. 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 3.
Second stage	80°80°80°
Third stage	80°80°80°

expand_more735 i,iL with gasoline V8 3.5 L 232 HP at 5700 RPM, 320 N⋅m at 3300 RPM engine (1996.1–2001.11)


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Use new screws See figure 3.
Second stage	80°80°80°
Third stage	80°80°80°

expand_more740 d with diesel V8 3.9 L 241 HP engine (1999.5–2001.11)

Figure 4. Cylinder head, Cylinder head screws, 740 d with diesel V8 3.9 L 241 HP engine (1999.5–2001.11).


First stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
See figure 4.
Second stage	slacken
Third stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Fourth stage	90°90°90°
Fifth stage	90°90°90°

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

Figure 5. Cylinder head, Cylinder head screws, 740 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 5.
Second stage	80°80°80°
Third stage	80°80°80°

expand_more740 i,iL with gasoline V8 4.4 L 282 HP engine (1996.1–2001.11)


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
See figure 5.
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 6. 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 6.
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_moreConnecting rod bearing

expand_more725 tds with diesel straight-6 2.5 L 141 HP engine (1996.4–2001.11)


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Replace screw, wash and slightly oil.
Second stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Third stage	70°70°70°

expand_more728 i,iL with gasoline straight-6 2.8 L 190 HP engine (1995.8–2001.11)


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Second stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Third stage	70°70°70°

expand_moreCrankshaft central screws

expand_more725 tds with diesel straight-6 2.5 L 141 HP engine (1996.4–2001.11)


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


728 i,iL with gasoline straight-6 2.8 L 190 HP engine (1995.8–2001.11)	302.4 lbf⋅ft302.4 lbf⋅ft410 N⋅m
Replace bolt.
728 i,iL with gasoline straight-6 2.8 L 190 HP engine (1995.8–2001.11)	302.4 lbf⋅ft302.4 lbf⋅ft410 N⋅m
Replace bolt.

expand_more740 d with diesel V8 3.9 L 241 HP engine (1999.5–2001.11)


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

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 diesel straight-6 2.9 L M57 D30 (306D1) 181 HP	88.51 lbf⋅ft88.51 lbf⋅ft120 N⋅m
Replace screws.
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_moreMain bearing

expand_more725 tds with diesel straight-6 2.5 L 141 HP engine (1996.4–2001.11)


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Second stage	50°50°50°

expand_more728 i,iL with gasoline straight-6 2.8 L 190 HP engine (1995.8–2001.11)

expand_moreAluminium engine block


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws.
Second stage	70°70°70°

expand_moreGrey cast-iron engine block


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws.
Second stage	50°50°50°

expand_more740 d with diesel V8 3.9 L 241 HP engine (1999.5–2001.11)


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace, wash and lubricate the screws.
Second stage	200°200°200°

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_moreCamshaft timing gear

expand_more728 i,iL with gasoline straight-6 2.8 L 190 HP engine (1995.8–2001.11)


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Second stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_more730 d with diesel straight-6 2.9 L 181 HP engine (1998.8–2000.4)


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace bolt.
Second stage	35°35°35°

expand_moreChain tensioner


728 i,iL with gasoline straight-6 2.8 L 190 HP engine (1995.8–2001.11)	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
728 i,iL with gasoline straight-6 2.8 L 190 HP engine (1995.8–2001.11)	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
730 d with diesel straight-6 2.9 L 181 HP engine (1998.8–2000.4)	11.8 lbf⋅ft11.8 lbf⋅ft16 N⋅m

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_moreBMW diesel straight-6 2.9 L M57 D30 (306D1) 181 HP


M8	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

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


740 d with diesel V8 3.9 L 241 HP engine (1999.5–2001.11)	13.28 lbf⋅ft13.28 lbf⋅ft18 N⋅m


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


725 tds with diesel straight-6 2.5 L 141 HP engine (1996.4–2001.11)	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace nuts.
728 i,iL with gasoline straight-6 2.8 L 190 HP engine (1995.8–2001.11)	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace nuts.
728 i,iL with gasoline straight-6 2.8 L 190 HP engine (1995.8–2001.11)	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace nuts.
730 d with diesel straight-6 2.9 L 181 HP engine (1998.8–2000.4)	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace nuts.

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 1999 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 1999 BMW 7 Series you're not only saving money, but also also improving your technical skills and learning something new.

1999 BMW 7 Series Third generation LCI Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

BMW 7 Series Third generation LCI model years

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