For 1991 3 Series Sedan Third generation BMW recommends to use: 4PK856, 5PK890, 6PK1548, 7PK785, 5PK1815, 6PK1560, and 5PK905. To select the right part or fluid see the table below.

in your garage to make future searches easy.

Condition Value
expand_moreAuxiliary drive belt size
expand_more316 i with gasoline straight-4 1.6 L 98 HP engine (1990.9–1993.9)
Air-conditioning secondary belt 4PK856
Main belt 10 x 1025 mm
Power steering secondary belt 10 x 730 mm
expand_more325 i with gasoline straight-6 2.5 L 189 HP engine (1990.9–1995.9)
Air-conditioning secondary belt 5PK890
Main belt 6PK1548
expand_more325 td with diesel straight-6 2.5 L 114 HP engine (1991.9–1998.2)
Air-conditioning secondary belt 7PK785
Main belt 5PK1815
expand_moreAll other modifications
expand_moreM50 engine
Air-conditioning secondary belt 5PK890
Main belt 6PK1560
expand_moreM52 engine
Air-conditioning secondary belt 5PK905
Main belt 6PK1548

Check drive belts regularly on your 3 Series Sedan and replace them if you found any signs of wear or any tears or damages.

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 1991 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 1991 BMW 3 Series Sedan you're not only saving money, but also also improving your technical skills and learning something new.

1991 BMW 3 Series Sedan generations

In 1991 BMW offered 2 generations of the 3 Series Sedan. Drive belts specifications may vary in different generations. Be sure that you are looking at the rigt modification.

Units:
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