Idler Pulley
Runs on water pump and alternator belt
This pulley controls the water pump and alternator belt. Usually the cause of bearing noise underhood.
| Make | Model | Submodel | Engine |
|---|---|---|---|
| BMW | E34 | All | M50 2.5l |
| BMW | E36 | All | All |
| BMW | E39 | All | M52 2.8l |
| BMW | E39 | All | M54 2.5l |
| BMW | E39 | All | M54 3.0l |
| BMW | E46 | All | All |
| BMW | E53 | X5 | M54 3.0l |
| BMW | E60 | M5 | S85 5.0l |
| BMW | E63 | M6 | S85 5.0l |
| BMW | E64 | M6 | S85 5.0l |
| BMW | Z3 | All | M52 2.5l |
| BMW | Z3 | All | M52 2.8l |
| BMW | Z3 | All | M54 3.0l |
| BMW | Z3 | All | S52 3.2l |
| BMW | Z3 | All | S54 3.2l |
| BMW | Z4 | All | M54 2.5l |
| BMW | Z4 | All | M54 3.0l |
| BMW | Z4 | M Coupe | S54 3.2l |
| BMW | Z4 | M Roadster | S54 3.2l |
Mfg Part# 11287841228 ES#259465
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Got a humming noise coming for your rear wheels? This very well could be your solution.

