LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2012 >> 320i Automatic Trans >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Body Equipment - Repair - F30 >> Rear Bumper >> 51 12 157 Replace rear bumper panel

51 12 157 Replace rear bumper panel

IMPORTANT: To guarantee system function on vehicles with LANE CHANGE WARNING SENSOR :
  • there must be no mechanical damage (e.g. dents) and no body repair work with filler or painting (several coats) must be carried out in a 10 cm radius about the left or right sensor on the bumper panel
  • no stickers must be attached in the area of the sensor

Follow the further instructions according to painting manual.

Necessary preliminary tasks: 

F80/F82 only: 

Execution with PDC: 

Unlock retaining tabs (1) in direction of arrow and pull ultrasonic sensor (2) up and out of bracket (3).

Installation note: 

Before installing the ultrasonic sensor (2), clean the plug connections.

Retaining tabs (1) must not be damaged!

Fig 1: Removing Ultrasonic Sensor Retaining Tabs
G04728001Courtesy of BMW OF NORTH AMERICA, INC.

Only for F80/F82: 

Loosen clamps (1).

Release the air duct (2) at latch mechanisms (3) and remove.

NOTE: Carry out work on the left side in the same way as for the right side illustrated here.
Fig 2: Identifying Air Duct And Latch Mechanisms
G10096915Courtesy of BMW OF NORTH AMERICA, INC.

Only for F80/F82: 

Release the air duct at latch mechanisms and remove.

NOTE: Carry out work on the left side in the same way as for the right side illustrated here.
Fig 3: Locating Air Duct Latch Mechanisms
G10096916Courtesy of BMW OF NORTH AMERICA, INC.