13 54 250 Replacing air intake hose (N52/N52K/N53)
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2013 BMW 128i, 2012 BMW 128i, 2011 BMW 128i, 2010 BMW 128i, and 2009 BMW 128i. However, it is still accessible from the selected car via links, so may be relevant.
Necessary preliminary tasks:
- Switch off ignition
- Remove lower section of microfilter housing . See 64 31 092 REMOVING AND INSTALLING/REPLACING MICROFILTER HOUSING (LOWER SECTION) .
- Remove intake filter housing .
Unfasten clip.
Detach air-mass flow sensor (1) from throttle valve assembly.