Howling Noise from the Rear Differential
BMW technical service bulletin B330216 for 2012-2016 BMW 328I, 2017 BMW 330I and 2012-2016 BMW 335I and others.
- Bulletin number
- B330216
- Component
- Power train: driveline: differential unit
- Summary
- Howling Noise from the Rear Differential. When coasting from 85 - 70 mph, there is a howling noise from the rear differential. CAUSE Resonance behavior during the running-in phase of the PHEV rear differential.
Owners of these vehicles have filed 129 complaints in the transmission category.
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