Question about 1990 525i
...expansion tank. With the engine running, pour water into the expansion tank till you see air go out through the bleeder screw's hole. Just keep adding water until no more air bubbles come out then ...
Where is the fuel pump located on a bmw1991 525i In Tank Electric Fuel Pump! Good-Day! Here is a link to instructions with diagrams. I would have a pro check it out however since the problem could ...
where do I find the expansion valve on a 1990 BMW 525I? in cap of expansion tank
Question about 1990 525i
be plugged/dirty. Has any work been done on the compressor lately? dirt in the system can cause the expansion valve to malfunction
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