315 with gasoline straight-4 1.6 L 74 HP engine (1982.9–1991.12)
700–800 rpm700–800 rpm700–800 rpm
316 (Ecotronic) with gasoline straight-4 1.8 L 89 HP engine (1983.9–1990.12)
700–800 rpm700–800 rpm700–800 rpm
316 with gasoline straight-4 1.8 L 89 HP engine (1982.9–1987.12)
700–800 rpm700–800 rpm700–800 rpm
318 i with gasoline straight-4 1.8 L 101 HP engine (1984.12–1988.8)
700–800 rpm700–800 rpm700–800 rpm
318 i with gasoline straight-4 1.8 L 103 HP engine (1982.9–1987.8)
700–800 rpm700–800 rpm700–800 rpm
324 d with diesel straight-6 2.4 L 84 HP engine (1985.9–1991.8)
700–800 rpm700–800 rpm700–800 rpm
325 e 2.7 with gasoline straight-6 2.7 L 121 HP engine (1983.10–1988.12)
650–750 rpm650–750 rpm650–750 rpm
325 e 2.7 with gasoline straight-6 2.7 L 121 HP engine (1983.10–1988.12)
650–750 rpm650–750 rpm650–750 rpm
325 e 2.7 with gasoline straight-6 2.7 L 127 HP engine (1985.1–1987.8)
650–750 rpm650–750 rpm650–750 rpm
All other modifications
720–800 rpm720–800 rpm720–800 rpm
Minimum engine oil temperature at VET
176°F176°F80°C
expand_morePetrol exhaust gas values
CO content at idling speed
0.2–1.2 %0.2–1.2 %0.2–1.2 %
Test values apply to the measurement in front of catalytic converter
CO content at increased idling speed
0.3 %0.3 %0.3 %
expand_moreIgnition time
315 with gasoline straight-4 1.6 L 74 HP engine (1982.9–1991.12)
-31°00' - before TDC + after TDC
No adjustment possible
316 (Ecotronic) with gasoline straight-4 1.8 L 89 HP engine (1983.9–1990.12)
-31°00' - before TDC + after TDC
No adjustment possible
316 with gasoline straight-4 1.8 L 89 HP engine (1982.9–1987.12)
-31°00' - before TDC + after TDC
No adjustment possible
318 i with gasoline straight-4 1.8 L 101 HP engine (1984.12–1988.8)
-31°00' - before TDC + after TDC
No adjustment possible
318 i with gasoline straight-4 1.8 L 103 HP engine (1982.9–1987.8)
-31°00' - before TDC + after TDC
No adjustment possible
325 e 2.7 with gasoline straight-6 2.7 L 121 HP engine (1983.10–1988.12)
-9°00'±3°00' - before TDC + after TDC
325 e 2.7 with gasoline straight-6 2.7 L 121 HP engine (1983.10–1988.12)
-9°00'±3°00' - before TDC + after TDC
325 e 2.7 with gasoline straight-6 2.7 L 127 HP engine (1985.1–1987.8)
-9°00'±3°00' - before TDC + after TDC
All other modifications
-10°00'±5°00' - before TDC + after TDC
expand_moreIncreased idling speed
All other modifications
2500–3000 rpm2500–3000 rpm2500–3000 rpm
Lambda value
0.97–1.03 λ0.97–1.03 λ0.97–1.03 λ
Maximum HC content at idling
100 ppm100 ppm100 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 1985 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.
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 1985 BMW 3 Series Sedan you're not only saving money, but also also improving your technical skills and learning something new.
1985 BMW 3 Series Sedan generations
In 1985 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.