1999 BMW Z3 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_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_moreAll BMW gasoline straight-6 2.0 L M52 B20 (206S4) engines

expand_moreAluminium engine block

Figure 1. Cylinder head, Cylinder head screws, BMW gasoline straight-6 2.0 L M52 B20 (206S4), Aluminium engine block.


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Use new screws, and oil the screws. 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
Use new screws, and oil the screws. See figure 1.
Second stage	90°90°90°
Third stage	90°90°90°

expand_moreAll BMW gasoline straight-6 2.8 L M52 B28 (286S1) engines

expand_moreAluminium engine block


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Use new screws, and oil the screws. 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
Use new screws, and oil the screws. See figure 1.
Second stage	90°90°90°
Third stage	90°90°90°

expand_moreAll other modifications

Figure 2. Cylinder head, Cylinder head screws, All other modifications.


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
See figure 2.
Second stage	90°90°90°
Third stage	90°90°90°

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_moreAll BMW gasoline straight-6 2.0 L M52 B20 (206S4) engines


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_moreAll BMW gasoline straight-6 2.8 L M52 B28 (286S1) engines


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


BMW gasoline straight-4 1.9 L M43 B19 (194E1) 117 HP	243.4 lbf⋅ft243.4 lbf⋅ft330 N⋅m
Replace bolt.
BMW gasoline straight-4 1.9 L M44 B19 (194S1) 138 HP	243.4 lbf⋅ft243.4 lbf⋅ft330 N⋅m
Replace bolt.
All other modifications	302.4 lbf⋅ft302.4 lbf⋅ft410 N⋅m
Replace bolt.


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

expand_moreFlywheel

expand_moreAll BMW gasoline straight-6 2.0 L M52 B20 (206S4) engines


With automatic gearbox	88.51 lbf⋅ft88.51 lbf⋅ft120 N⋅m
With manual transmission	77.44 lbf⋅ft77.44 lbf⋅ft105 N⋅m


All BMW gasoline straight-6 2.8 L M52 B28 (286S1) engines	77.44 lbf⋅ft77.44 lbf⋅ft105 N⋅m
Lightly lubricate the screws thread.
All other modifications	88.51 lbf⋅ft88.51 lbf⋅ft120 N⋅m
Replace screws.

expand_moreMain bearing

expand_moreAll BMW gasoline straight-6 2.0 L M52 B20 (206S4) engines

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_moreAll BMW gasoline straight-6 2.8 L M52 B28 (286S1) engines

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_moreEngine control

expand_moreCamshaft timing gear

expand_moreBMW gasoline straight-4 1.9 L M43 B19 (194E1) 114 HP


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

expand_moreBMW gasoline straight-4 1.9 L M43 B19 (194E1) 117 HP


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

expand_moreAll other modifications


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


Chain tensioner	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m

expand_moreChain tensioner locking screws

expand_more1.9 with gasoline straight-4 1.9 L 138 HP engine (1995.10–1999.3)


M22 × 1,5 screws	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreInlet camshaft wheel

expand_more1.9 with gasoline straight-4 1.9 L 138 HP engine (1995.10–1999.3)


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

expand_moreOutlet camshaft wheel

expand_more1.9 with gasoline straight-4 1.9 L 138 HP engine (1995.10–1999.3)


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

expand_moreTiming case cover


M10	34.67 lbf⋅ft34.67 lbf⋅ft47 N⋅m
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_moreEngine lubrication


Oil drain plug	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


Knock sensor	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Lambda sensor	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m

expand_moreExhaust system

expand_moreExhaust manifold


All BMW gasoline straight-6 2.0 L M52 B20 (206S4) engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace nuts.
All BMW gasoline straight-6 2.8 L M52 B28 (286S1) engines	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 Z3 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 Z3 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 Z3 you're not only saving money, but also also improving your technical skills and learning something new.

1999 BMW Z3 generations

In 1999 BMW offered 2 generations of the Z3. Engine fastener tightening specifications may vary in different generations. Be sure that you are looking at the rigt modification.

First generation

E36

1999 BMW Z3 First generation LCI Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

1999 BMW Z3 generations

First generation

BMW Z3 First generation LCI model years

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