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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_moreInjection nozzle (injector)
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
M7 10.33 lbf⋅ft
expand_moreAll other modifications
M6 7.38 lbf⋅ft
M7 10.33 lbf⋅ft
M8 14.75 lbf⋅ft
expand_moreCylinder head screws
Figure 1. Cylinder head, Cylinder head screws, BMW gasoline straight-4 1.9 L M43 B19 (194E1) 114 HP.
Figure 1. Cylinder head, Cylinder head screws, BMW gasoline straight-4 1.9 L M43 B19 (194E1) 114 HP.
First stage 22.13 lbf⋅ft
Replace screws. See figure 1.
Second stage 90°
Third stage 90°
First stage 22.13 lbf⋅ft
Use new screws, and oil the screws. See figure 1.
Second stage 90°
Third stage 90°
expand_moreAluminium engine block
Figure 2. Cylinder head, Cylinder head screws, BMW gasoline straight-6 2.0 L M52 B20 (206S4) 148 HP, Aluminium engine block.
Figure 2. Cylinder head, Cylinder head screws, BMW gasoline straight-6 2.0 L M52 B20 (206S4) 148 HP, Aluminium engine block.
First stage 29.5 lbf⋅ft
Use new screws, and oil the screws. See figure 2.
Second stage 90°
Third stage 90°
expand_moreGrey cast-iron engine block
First stage 22.13 lbf⋅ft
Use new screws, and oil the screws. See figure 2.
Second stage 90°
Third stage 90°
expand_moreAll other modifications
Figure 3. Cylinder head, Cylinder head screws, All other modifications.
Figure 3. Cylinder head, Cylinder head screws, All other modifications.
First stage 59 lbf⋅ft
See figure 3.
Second stage slacken
Third stage 36.88 lbf⋅ft
Fourth stage 90°
Fifth stage 90°
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 70°
expand_moreCrankshaft central screws
BMW gasoline straight-4 1.9 L M43 B19 (194E1) 114 HP 243.4 lbf⋅ft
Use new screw.
BMW gasoline straight-4 1.9 L M43 B19 (194E1) 117 HP 243.4 lbf⋅ft
Replace bolt.
First stage 73.76 lbf⋅ft
Second stage 60°
Third stage 60°
Fourth stage 30°
All other modifications 302.4 lbf⋅ft
Replace bolt.
Crankshaft pulley 16.23 lbf⋅ft
Drive plate 88.51 lbf⋅ft
Replace screws.
expand_moreFlywheel
BMW gasoline straight-4 1.9 L M43 B19 (194E1) 114 HP 88.51 lbf⋅ft
Replace screws.
BMW gasoline straight-4 1.9 L M43 B19 (194E1) 117 HP 88.51 lbf⋅ft
Replace screws.
All other modifications 77.44 lbf⋅ft
Replace screws.
expand_moreMain bearing
First stage 14.75 lbf⋅ft
Replace screws, wash and slightly oil.
Second stage 50°
expand_moreAluminium engine block
First stage 14.75 lbf⋅ft
Replace screws.
Second stage 70°
expand_moreGrey cast-iron engine block
First stage 14.75 lbf⋅ft
Replace screws.
Second stage 50°
expand_moreAll other modifications
First stage 16.23 lbf⋅ft
Clean and lubricate the screws.
Second stage 90°
expand_moreVibration damper
expand_moreAll other modifications
First stage 29.5 lbf⋅ft
Replace screws.
Second stage 60°
Third stage 60°
expand_moreEngine control
expand_moreCamshaft timing chain guide rail
M6 5.9 lbf⋅ft
M7 10.33 lbf⋅ft
M8 14.75 lbf⋅ft
expand_moreCamshaft timing chain slip rail
M16 × 1,5 screws 14.75 lbf⋅ft
expand_moreCamshaft timing chain tensioner
M22 × 1,5 screws 47.94 lbf⋅ft
Replace sealing rings.
expand_moreCamshaft timing gear
expand_more316 i with gasoline straight-4 1.9 L 114 HP engine (1998.9–2005.2)
M6 7.38 lbf⋅ft
M7 11.06 lbf⋅ft
expand_more318 i with gasoline straight-4 1.9 L 117 HP engine (1998.2–2001.9)
M6 7.38 lbf⋅ft
M7 11.06 lbf⋅ft
expand_moreAll other modifications
First stage 3.69 lbf⋅ft
Second stage 14.75 lbf⋅ft
expand_moreCentral part of control unit housing
expand_moreM57 engine M30 × 1 screws
Locking screws 51.63 lbf⋅ft
expand_moreEngine code M57 D30 TU (M40 × 1,5)
Locking screws 22.13 lbf⋅ft
expand_moreChain tensioner
expand_more320 d with diesel straight-4 2.0 L 134 HP engine (1998.4–2001.9)
Cap 29.5 lbf⋅ft
Chain tensioner 36.88 lbf⋅ft
All other modifications 51.63 lbf⋅ft
expand_moreChain tensioner locking screws
M30 × 1 screws 51.63 lbf⋅ft
M40 × 1,5 screws 22.13 lbf⋅ft
expand_moreInlet camshaft wheel
First stage 14.75 lbf⋅ft
Use new screw.
Second stage 35°
expand_moreAll other modifications
First stage 14.75 lbf⋅ft
Use new screw.
Second stage 90°
Third stage 90°
expand_moreOutlet camshaft wheel
First stage 14.75 lbf⋅ft
Use new screw.
Second stage 35°
expand_moreAll other modifications
First stage 14.75 lbf⋅ft
Use new screw.
Second stage 90°
Third stage 90°
expand_moreTension rail bearing screws
M16 × 1,5 screws 14.75 lbf⋅ft
Replace the bolt
expand_moreTiming case cover
expand_moreAll other modifications
M10 34.67 lbf⋅ft
M6 7.38 lbf⋅ft
M7 11.06 lbf⋅ft
M8 16.23 lbf⋅ft
expand_moreEngine lubrication
expand_moreOil drain plug
All other modifications 18.44 lbf⋅ft
Oil filter housing 18.44 lbf⋅ft
expand_moreOil sump
BMW gasoline straight-4 1.9 L M43 B19 (194E1) 117 HP 7.38 lbf⋅ft
expand_moreAll other modifications
M6 screws (class 10.9) 8.85 lbf⋅ft
M6 8.8 7.38 lbf⋅ft
M8 16.23 lbf⋅ft
expand_moreEngine management
Glow plugs 13.28 lbf⋅ft
Knock sensor 14.75 lbf⋅ft
Lambda sensor 36.88 lbf⋅ft
expand_moreExhaust system
expand_moreExhaust manifold
BMW gasoline straight-6 2.0 L M52 B20 (206S4) 148 HP 14.75 lbf⋅ft
Replace nuts.
BMW gasoline straight-6 2.5 L M52 B25 (256S4) 168 HP 14.75 lbf⋅ft
Replace nuts.
BMW gasoline straight-6 2.8 L M52 B28 (286S2) 190 HP 14.75 lbf⋅ft
Replace nuts.
expand_moreAll other modifications
M6 7.38 lbf⋅ft
Replace nuts.
M7 11.06 lbf⋅ft
Replace nuts.
M8 16.96 lbf⋅ft
Replace nuts.
expand_moreIgnition system
expand_moreSpark plugs
BMW gasoline straight-4 1.9 L M43 B19 (194E1) 117 HP 14.7519.18 lbf⋅ft
BMW gasoline straight-6 2.0 L M52 B20 (206S4) 148 HP 16.96 lbf⋅ft
BMW gasoline straight-6 2.5 L M52 B25 (256S4) 168 HP 16.96 lbf⋅ft
BMW gasoline straight-6 2.8 L M52 B28 (286S2) 190 HP 16.96 lbf⋅ft
expand_moreAll other modifications
M12 14.7519.18 lbf⋅ft
M14 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 1998 BMW 3 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 3 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 1998 BMW 3 Series Sedan you're not only saving money, but also also improving your technical skills and learning something new.

1998 BMW 3 Series Sedan generations

In 1998 BMW offered 2 generations of the 3 Series Sedan. Engine fastener tightening specifications may vary in different generations. Be sure that you are looking at the rigt modification.

BMW 3 Series Sedan Fourth generation model years

Units:
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