See also:

Coolant
Coolant consists of half water and half additive. Not all commercially available additives are suitable for your BMW. Ask your BMW center for suitable additives. Only use suitable additives; other ...

Fuses
Replacing fuses Never attempt to repair a blown fuse and do not replace a defective fuse with a substitute of another color or amperage rating; this could lead to a circuit overload, ultimate ...

Use coasting conditions
When approaching a red light, take your foot off the accelerator and let the vehicle coast to a halt. On a downhill gradient, take your foot off the accelerator and let the vehicle roll. The flo ...