BMW 1-Series Forum (F20) 135i - 1Addicts.com - View Single Post - rasping or buzzing noise coming from new m135i

ovekvam · 05-27-2013, 12:35 AM

In my E36 323ti Compact, the flap was controlled by a vacuum hose. If I unplugged the hose, the flap was left open, making the car more noisy at low RPM.

05-27-2013, 12:35 AM	#22
ovekvam Brigadier General 266 Rep 3,290 Posts Drives: 2021 Galvanic Gold i3S Join Date: Jun 2012 Location: Bryne, Norway iTrader: (0)	In my E36 323ti Compact, the flap was controlled by a vacuum hose. If I unplugged the hose, the flap was left open, making the car more noisy at low RPM.
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