31 35 000 Removing And Installing/Replacing Front Stabilizer

2013 BMW 128i 2D Convertible, Eng CD N52, Standard TransSECTION 31 35 000 Removing And Installing/Replacing Front Stabilizer
WARNING: This page is about a different car, the 2010 BMW 135i, 2009 BMW 135i, and 2008 BMW 135i. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: To avoid complaints being made by the customer about noise (e.g. grating), set the car on its wheels and tighten down the stabilizer mounting to specified torque.

Necessary preliminary tasks: 

M3: 

Remove reinforcement plate.

Release nut (1) for return line (2).

Installation: 

Replace self-locking nut.

Tightening torque. Refer to 32 41 11AZ in 32 41 PUMP AND OIL SUPPLY .

Fig 1: Identifying Nut And Return Line
G05778171Courtesy of BMW OF NORTH AMERICA, INC.

Except M3: Release screws (1) and remove brackets.

Release nuts (2); if necessary, grip screws after repair.

Remove stabilizer (3); if necessary, press off front axle carrier with a suitable tool.

Installation: 

Check both rubber mounts for damage  , replace if necessary. See 31 35 021 REPLACING RUBBER MOUNTS OF STABILIZER RETAINING FIXTURE ON FRONT AXLE CARRIER .

Replace self-locking nuts (do not tighten down).

Set car on its wheels and tighten down nuts to specified torque. Refer to 31 35 1AZ in 31 35 STABILIZER BAR .

Fig 2: Identifying Screws, Nuts And Stabilizer
G04726312Courtesy of BMW OF NORTH AMERICA, INC.

Repair solution for studs: 

Release screw (1).

Raise locking nut (2) in area of bore and detach from front axle carrier.

Drive out studs (3) in upwards direction and remove/feed out through an opening in front axle carrier.

Installation: 

Insert new screws from above.

Replace locking nut.

Tightening torque. Refer to 31 12 1AZ in 31 12 CONTROL ARMS AND STRUTS .

Fig 3: Identifying Locking Nut, Screw And Studs
G04726313Courtesy of BMW OF NORTH AMERICA, INC.

Replacement: 

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.