John Burns wrote:
>>can anyone tell me,on windshield side of car is 3 Relay's can anyone tell me
>>what relay separately doing,I know that in the middle is something about
>>fuel pump.
>
>
> My 1990 318iS only has two there I think. Fuel pump and Motronic relays.
>

3rd should be the O2 sensor heater

-Fred W