LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2018 >> M4 2D Convertible, Automatic DCT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 168 (Body Equipment - Repair) >> Rear Bumper >> 51 12 742 Replacing one shock absorber for rear bumper

51 12 742 Replacing one shock absorber for rear bumper

WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2006 BMW 325Ci, 2005 BMW 325xi, 2005 BMW 325i, 2005 BMW 325Ci, and 2004 BMW 325xi. However, it is still accessible from the selected car via links, so may be relevant.

Release expansion rivets (1) and remove tray (2).

Installation: 

  1. If necessary, remove luggage compartment wheel arch trim on left. See 51 71 041 Removing and installing/replacing rear left or right wheel arch cover 
Fig 1: Removing Luggage Compartment Wheel Arch Trim On Left
G03164857Courtesy of BMW OF NORTH AMERICA, INC.

Version with battery in luggage compartment:

Turn rotary clips (1) through 90°.

Feed shelf (2) out of luggage compartment wheel arch trim (3).

Fig 2: Feeding Shelf Out Of Luggage Compartment Wheel Arch Trim
G03164858Courtesy of BMW OF NORTH AMERICA, INC.

Unclip cover (1) on left and right.

Fig 3: Uncliping Cover On Left And Right
G03164859Courtesy of BMW OF NORTH AMERICA, INC.

Release nuts (1) on inside and remove shock absorber.

Fig 4: Releasing Nuts On Inside And Remove Shock Absorber
G03164860Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Tightening Torque, refer to 51 12 3AZ in BODY EQUIPMENT - TIGHTENING TORQUES - 325I, CI & XI - E46 .

Installation: 

  1. Mount seal (2) on shock absorber (1).
  2. Fit protective cap (3) to right shock absorber (1).
Fig 5: Fitting Protective Cap To Right Shock Absorber
G03164861Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

  1. If necessary, fit a new gasket (1) and a new cover (2) to shock absorber (3).
Fig 6: Fitting New Gasket And A New Cover To Shock Absorber
G03164862Courtesy of BMW OF NORTH AMERICA, INC.

Adjusting bumper: 

Ideal adjustment:

Distance (A) must be the same all around between the bumper and body cutout.

Distance (A) = 2+0.8/-0.5 mm.

Fig 7: Measuring Distance (A)
G03164863Courtesy of BMW OF NORTH AMERICA, INC.