I parked at my buddies house the other night, and left the car running. I noticed a loud almost "squeaking" noise coming from the engine, it almost sounds like the belt, but it seems to come every revolution, 4 per second or so.
I don't have any problems with my belts slipping, maybe it is fan related? It really makes the car sound like a beater
Any help is much appreciated
- JK
1990 Islandgrun 535iM Sedan
3k oil changes | Euro lights + trim | Eibach/Bilstein | EAT Chip
Get a can of silicone spray. Hit the belts with the engine running. If the noise goes away, you need new belts. If it stays then you have bigger issues. Mine sounds like the water pump is loosing a bearing - but its just the belts and they are hanging on the wall waiting for me to get off my ass and install
Derek A.
90 535i 5 Speed - Style 5 17"
The water pump has been recently replaced, I will spray some treatment on the belts and see if it quiets up a bit.
1990 Islandgrun 535iM Sedan
3k oil changes | Euro lights + trim | Eibach/Bilstein | EAT Chip