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Home >> BMW >> 2013 >> 550i Standard Trans >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine - Oil Pan, Crankshaft Seal, Timing Case Cover, Crankcase Ventilation System - Repair >> Crankcase Ventilation System >> N63 / N63 O1 Engine >> 11 15 016 Removing and installing/replacing engine ventilation connecting line (N63)

11 15 016 Removing and installing/replacing engine ventilation connecting line (N63)

Necessary preliminary work: 

IMPORTANT: Increased risk of line (2) breakage

Use a screwdriver (1) to unlock all the latch mechanisms one after the other.

Pull off the connection line (2) at the same time.

Fig 1: Unlocking Latch Mechanisms And Pulling Off Connection Line
G09919861Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Increased risk of line (2) breakage

Use a screwdriver (1) to unlock all the latch mechanisms one after the other.

Pull off the connection line (2) at the same time.

Feed out the connection line (2) and remove.

Fig 2: Unlocking Latch Mechanisms And Pulling Off Connection Line
G09919862Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

No catches (1) are permitted to be damaged or missing.

If there is a faulty latch mechanism (1), the line must be replaced.

Fig 3: Identifying Latch Mechanism Catches
G09919863Courtesy of BMW OF NORTH AMERICA, INC.