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Home >> BMW >> 2012 >> Alpina B7Lx >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System - Repair >> Intake Silencer >> 13 71 030 Removing and installing/replacing both intake silencer housings (N63 B40/B44 O 0/1)

13 71 030 Removing and installing/replacing both intake silencer housings (N63 B40/B44 O 0/1)

Necessary preliminary tasks: 

NOTE: Description for left air filter box. Procedure on right side identical.

Release clamps (1).

Tightening torque 13 62 9AZ .

Disconnect connector (2) at the hot film air mass meter.

Release clamp (3).

Fig 1: Disconnecting Hot Film Air Mass Meter Connector
G06889157Courtesy of BMW OF NORTH AMERICA, INC.

Unclip the oxygen sensor cable from the intake filter housing.

Detach the intake air filter housing from the intake port and pull off upwards.