BMW 3-Series (E90 E92) Forum - View Single Post

Tiago@VRSF · 01-10-2013, 11:34 PM

I'm surprised the nipple wasn't broken on the intake manifold, that generally fails before the vacuum hose does.

The RPM raising and lowering sounds like the TB is getting stuck open or you have a large vacuum leak post sensor.

01-10-2013, 11:34 PM	#21
Tiago@VRSF 2095 Rep 43,350 Posts Drives: F90 M5 Join Date: Dec 2007 Location: Doral, FL iTrader: (99) Garage List 2014 F30 328xi [0.00] 2015 F82 BMW M4 [0.00] 2013 Ducati 1199 Pa ... [0.00] 2008 BMW 335i [0.00]	I'm surprised the nipple wasn't broken on the intake manifold, that generally fails before the vacuum hose does. The RPM raising and lowering sounds like the TB is getting stuck open or you have a large vacuum leak post sensor.
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