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Condition Value
expand_moreAir intake system
expand_moreIntake manifold
M6 7.38 lbf⋅ft
M7 11.06 lbf⋅ft
M8 16.23 lbf⋅ft
expand_moreCarburetion
expand_moreHigh-pressure pump pulley
M14 × 1,5 screws 47.94 lbf⋅ft
expand_moreInjection hoses
Union nuts 14.75 lbf⋅ft
expand_moreCharging
expand_moreTurbo charger
On exhaust manifold 36.88 lbf⋅ft
Use hot screw paste
Turbocharger oil feed line 18.44 lbf⋅ft
Replace sealing rings.
expand_moreCylinder head
expand_moreCamshaft bearing
M6 7.38 lbf⋅ft
Tighten the bearing covers of the camshafts in 1/2 turning steps from outside to inside.
M7 11.06 lbf⋅ft
Tighten the bearing covers of the camshafts in 1/2 turning steps from outside to inside.
M8 14.75 lbf⋅ft
Tighten the bearing covers of the camshafts in 1/2 turning steps from outside to inside.
expand_moreAll other modifications
M6 7.38 lbf⋅ft
M7 11.06 lbf⋅ft
M8 14.75 lbf⋅ft
expand_moreCylinder head screws
Figure 1. Cylinder head, Cylinder head screws, BMW diesel straight-6 2.5 L M51 D25 (256T1) 114 HP.
Figure 1. Cylinder head, Cylinder head screws, BMW diesel straight-6 2.5 L M51 D25 (256T1) 114 HP.
First stage 59 lbf⋅ft
See figure 1.
Second stage slacken
Loosen all screws half a turn.
Third stage 36.88 lbf⋅ft
Fourth stage 90°
Fifth stage 90°
Sixth stage Warm-up run
25 min
Seventh stage 90°
First stage 59 lbf⋅ft
See figure 1.
Second stage slacken
Loosen all screws half a turn.
Third stage 36.88 lbf⋅ft
Fourth stage 90°
Fifth stage 90°
Sixth stage Warm-up run
25 min
Seventh stage 90°
Figure 2. Cylinder head, Cylinder head screws, BMW gasoline V8 3.5 L M62 B35 (358S1) 232 HP at 5700 RPM, 320 N⋅m at 3300 RPM.
Figure 2. Cylinder head, Cylinder head screws, BMW gasoline V8 3.5 L M62 B35 (358S1) 232 HP at 5700 RPM, 320 N⋅m at 3300 RPM.
First stage 22.13 lbf⋅ft
See figure 2.
Second stage 80°
Third stage 80°
First stage 22.13 lbf⋅ft
See figure 2.
Second stage 80°
Third stage 80°
expand_moreAll other modifications
Second stage 90°
Third stage 90°
expand_moreAluminium engine block
Figure 3. Cylinder head, Cylinder head screws, All other modifications, Aluminium engine block.
Figure 3. Cylinder head, Cylinder head screws, All other modifications, Aluminium engine block.
First stage 29.5 lbf⋅ft
See figure 3.
expand_moreGrey cast-iron engine block
First stage 22.13 lbf⋅ft
See figure 3.
expand_moreValve cover
M6 7.38 lbf⋅ft
M7 11.06 lbf⋅ft
expand_moreEngine block
expand_moreConnecting rod bearing
First stage 3.69 lbf⋅ft
Replace screw, wash and slightly oil.
Second stage 14.75 lbf⋅ft
Third stage 80°
First stage 3.69 lbf⋅ft
Replace screw, wash and slightly oil.
Second stage 14.75 lbf⋅ft
Third stage 80°
expand_moreAll other modifications
First stage 3.69 lbf⋅ft
Replace, wash and lightly lubricate the screws.
Second stage 14.75 lbf⋅ft
Third stage 70°
expand_moreCrankshaft central screws
First stage 73.76 lbf⋅ft
Replace bolt.
Second stage 60°
Third stage 60°
Fourth stage 30°
First stage 73.76 lbf⋅ft
Replace bolt.
Second stage 60°
Third stage 60°
Fourth stage 30°
First stage 73.76 lbf⋅ft
Replace bolt.
Second stage 60°
Third stage 60°
Fourth stage 30°
All other modifications 302.4 lbf⋅ft
Replace bolt.
Drive plate 88.51 lbf⋅ft
Replace screws.
expand_moreFlywheel
All other modifications 77.44 lbf⋅ft
Lightly lubricate the screws thread.
expand_moreMain bearing
First stage 14.75 lbf⋅ft
Replace, wash and lightly lubricate the screws.
Second stage 50°
First stage 14.75 lbf⋅ft
Replace, wash and lightly lubricate the screws.
Second stage 50°
First stage 14.75 lbf⋅ft
Replace bolts.
Second stage 45°
First stage 14.75 lbf⋅ft
Replace the screws, do not wash off the coating.
expand_moreM10
Second stage 70°
expand_moreM11
Second stage 100°
expand_moreAll other modifications
expand_moreAluminium engine block
First stage 14.75 lbf⋅ft
Tighten the new screws evenly in several steps.
Second stage 70°
expand_moreGrey cast-iron engine block
First stage 14.75 lbf⋅ft
Tighten the new screws evenly in several steps.
Second stage 50°
expand_moreVibration damper
BMW gasoline V8 3.5 L M62 B35 (358S1) 232 HP at 5700 RPM, 320 N⋅m at 3300 RPM 16.23 lbf⋅ft
BMW gasoline V8 3.5 L M62 B35 (358S2) 232 HP at 5800 RPM, 345 N⋅m at 3800 RPM 16.23 lbf⋅ft
BMW gasoline V8 4.4 L M62 B44 (448S2) 282 HP 16.23 lbf⋅ft
expand_moreAll other modifications
First stage 29.5 lbf⋅ft
Replace bolts.
Second stage 60°
Third stage 60°
expand_moreEngine control
expand_moreCamshaft timing gear
First stage 14.75 lbf⋅ft
Replace screws.
Second stage 35°
First stage 14.75 lbf⋅ft
Replace screws.
Second stage 35°
expand_moreVanos
First stage 11.06 lbf⋅ft
Second stage slacken
Loosen the camshaft pulley screws one quarter of a turn.
expand_moreVanos inlet camshaft
Third stage 81.13 lbf⋅ft
expand_moreVanos, Outlet camshaft
Third stage 92.2 lbf⋅ft
Otherwise 11.06 lbf⋅ft
expand_moreVanos
First stage 11.06 lbf⋅ft
Second stage slacken
Loosen the camshaft pulley screws one quarter of a turn.
expand_moreVanos inlet camshaft
Third stage 81.13 lbf⋅ft
expand_moreVanos, Outlet camshaft
Third stage 92.2 lbf⋅ft
Otherwise 11.06 lbf⋅ft
expand_moreAll other modifications
First stage 3.69 lbf⋅ft
Second stage 14.75 lbf⋅ft
expand_moreChain tensioner
All other modifications 51.63 lbf⋅ft
expand_moreChain tensioner locking screws
M22 × 1,5 screws 36.88 lbf⋅ft
M26 36.88 lbf⋅ft
expand_moreAll other modifications
M30 × 1 screws 51.63 lbf⋅ft
M40 × 1,5 screws 22.13 lbf⋅ft
expand_moreTension rail bearing screws
M16 × 1,5 screws 14.75 lbf⋅ft
Replace the bolt
expand_moreEngine lubrication
expand_moreOil drain plug
expand_moreAll other modifications
M12 × 1,5 screws 18.44 lbf⋅ft
Oil filter housing 18.44 lbf⋅ft
expand_moreOil sump
expand_moreAll other modifications
M6 screws (class 10.9) 8.85 lbf⋅ft
M6 8.8 7.38 lbf⋅ft
M8 screws (class 8.8) 16.23 lbf⋅ft
expand_moreEngine management
expand_moreGlow plugs
expand_moreM5
Nuts 2.95 lbf⋅ft
Otherwise 14.75 lbf⋅ft
expand_moreM5
Nuts 2.95 lbf⋅ft
Otherwise 14.75 lbf⋅ft
All other modifications 13.28 lbf⋅ft
Knock sensor 14.75 lbf⋅ft
Lambda sensor 36.88 lbf⋅ft
expand_moreExhaust system
expand_moreCatalytic converter
M10 30.98 lbf⋅ft
Replace nuts. Use hot screw paste.
expand_moreExhaust manifold
At the turbocharger 36.88 lbf⋅ft
On the engine block 14.75 lbf⋅ft
Replace nuts.
At the turbocharger 36.88 lbf⋅ft
On the engine block 14.75 lbf⋅ft
Replace nuts.
M6 7.38 lbf⋅ft
Replace nuts.
M7 11.06 lbf⋅ft
Replace nuts.
M8 16.96 lbf⋅ft
Replace nuts.
M6 7.38 lbf⋅ft
Replace the nuts and use fitting paste
M7 11.06 lbf⋅ft
Replace the nuts and use fitting paste
M8 16.96 lbf⋅ft
Replace the nuts and use fitting paste
All other modifications 14.75 lbf⋅ft
Replace the nuts and use fitting paste
expand_moreIgnition system
expand_moreSpark plugs
expand_moreAll other modifications
M12 × 1,25 screws 14.7519.18 lbf⋅ft
M14 × 1,25 screws 19.9124.34 lbf⋅ft

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 1997 BMW 5 Series 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.

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 5 Series 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 1997 BMW 5 Series Sedan you're not only saving money, but also also improving your technical skills and learning something new.

BMW 5 Series Sedan Fourth generation model years

Units:
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