51 71 099 Removing and installing/replacing radiator air guide
WARNING: This page is about a different car, the 2010 BMW X6. However, it is still accessible from the selected car via links, so may be relevant.
Necessary preliminary tasks:
Release expanding rivets (1).
Release catch (2) and remove intake duct (3) towards top.
Disconnect plug connections (1, 2).
Unclip hose (3) and feed out air duct towards top.
Replacement:
Modify all rubber seals (1) and sheet nuts (2) on air duct, replace if necessary.
Modify outside temperature sensor (3).
Optional extra:
Modify AIR FLAP CONTROL .