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buze · 11-05-2013, 09:04 AM

I also sometime hear a whistling noise, even when the AC is off. However, I suspect the AC is never /entirely/ off... It's definitely not turbo (it's at quite low regime). And it's not all the time.. Been wondering about it for a while...

11-05-2013, 09:04 AM	#11
buze Owner 310 Rep 721 Posts Drives: G05 30d M-Sport Join Date: Dec 2012 Location: Berkshire, Powys iTrader: (0) Garage List 2026 BMW X3 M50 [0.00] 1999 Z3 2.8L Roadster [0.00]	I also sometime hear a whistling noise, even when the AC is off. However, I suspect the AC is never /entirely/ off... It's definitely not turbo (it's at quite low regime). And it's not all the time.. Been wondering about it for a while...
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