in your garage to make future searches easy.

Condition Value
expand_moreDiesel exhaust gas values
Maximum K-value 2.5 1/m
expand_moreGeneral exhaust gas values
expand_moreIdling speed with manual gearbox
316 i with gasoline straight-4 1.6 L 101 HP engine (1990.9–1993.9) 760840 rpm
316 i with gasoline straight-4 1.6 L 98 HP engine (1990.9–1993.9) 760840 rpm
318 i with gasoline straight-4 1.8 L 111 HP engine (1990.12–1993.10) 760840 rpm
All other modifications 700800 rpm
Minimum engine oil temperature at VET 176°F
expand_morePetrol exhaust gas values
CO content at idling speed 0.10.5 %
expand_moreCO content at increased idling speed
All BMW gasoline straight-6 2.0 L M50 B20 (206S1) engines 0.2 %
All BMW gasoline straight-6 2.0 L M50 B20 (206S2) engines 0.2 %
All BMW gasoline straight-6 2.5 L M50 B25 (256S1) engines 0.2 %
All BMW gasoline straight-6 2.5 L M50 B25 (256S2) engines 0.2 %
All BMW gasoline straight-6 2.0 L M52 B20 (206S3) engines 0.2 %
All other modifications 0.3 %
Ignition time -12°00' - before TDC + after TDC
No adjustment possible
expand_moreIncreased idling speed
All BMW gasoline straight-6 2.0 L M50 B20 (206S1) engines 25002800 rpm
All BMW gasoline straight-6 2.0 L M50 B20 (206S2) engines 25002800 rpm
All BMW gasoline straight-6 2.5 L M50 B25 (256S1) engines 25002800 rpm
All BMW gasoline straight-6 2.5 L M50 B25 (256S2) engines 25002800 rpm
All BMW gasoline straight-6 2.0 L M52 B20 (206S3) engines 25002800 rpm
All other modifications 25003000 rpm
Lambda value 0.971.03 λ
Maximum HC content at idling 100 ppm

To reduce environment impact and pass government inspections keep emission parameters at the level prescribed by BMW.

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 1990 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 1990 BMW 3 Series Sedan you're not only saving money, but also also improving your technical skills and learning something new.

1990 BMW 3 Series Sedan generations

In 1990 BMW offered 2 generations of the 3 Series Sedan. Emission may vary in different generations. Be sure that you are looking at the rigt modification.

Units:
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