BMW M3 Forum (E90 E92) - View Single Post - Which pulley tensioners to replace when installing supercharger?

1SloeEm3 · 12-16-2025, 05:16 AM

Replace tensioner pulley near the alternator. I lost 2 belts due to belt slip going WOT. It even knocked the PS belt off which ended up wrapped around the fan after it was chewed up.

12-16-2025, 05:16 AM	#2
1SloeEm3 Private First Class 115 Rep 160 Posts Drives: E92 M3 Join Date: Oct 2017 Location: Riverside iTrader: (-1)	Replace tensioner pulley near the alternator. I lost 2 belts due to belt slip going WOT. It even knocked the PS belt off which ended up wrapped around the fan after it was chewed up.
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