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

bishbosh · 08-17-2018, 01:15 PM

The 320d doesn't have a red boost hose. The hissing noise certainly sounds like a boost leak though.

Get a mate to rev the motor while you locate the source of the leak - it's easier to find leaks that way.

08-17-2018, 01:15 PM	#8
bishbosh Lieutenant Colonel 840 Rep 1,993 Posts Drives: F30 335d Join Date: Oct 2013 Location: Sheffield iTrader: (1) Garage List 2014 BMW 335d [0.00]	The 320d doesn't have a red boost hose. The hissing noise certainly sounds like a boost leak though. Get a mate to rev the motor while you locate the source of the leak - it's easier to find leaks that way.
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