37 11 010 Removing and installing/replacing front active anti-roll bar

WARNING: This page is about a different car, the 2013 BMW X5 M, 2012 BMW X5 M, 2011 BMW X5 M, and 2010 BMW X5 M. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: DANGER OF POISONING if oil is ingested/absorbed through the skin!
RISK OF INJURY if oil comes into contact with eyes and skin!

IMPORTANT: Adhere to the utmost cleanliness. Do not allow any dirt to enter the hydraulic system.
Close off line connections with seal plugs.

NOTE: In case of disturbing noise coming from anti-roll bar, always run test module for active stabilizer first!
See: Service function→Chassis→Mechanical system→Front axle noise→Check anti-roll bar

In all warranty cases you must always provide a fault memory printout, even where there is no fault entry, with the defective component.

A film of grease on the roller bearing in no way impairs the operability of the anti-roll bar.

Spring-type actuator only installed on E70!

When converting the front axle anti-roll bar with spring-type actuator (1) to front axle anti-roll bar with dual piston (2), it is necessary to perform a RECODING !
Do not alter pressure relief valves. Anti-roll bar with dual piston: No pressure relief valves fitted!

Fig 1: Identifying Spring-Type Actuator And Dual Piston
Courtesy of BMW OF NORTH AMERICA, INC.

Necessary preliminary work

Remove FRONT WHEELS .
Remove FRONT UNDERBODY PROTECTION .
Remove FRONT RIGHT WHEEL ARCH COVER (FRONT SECTION) .
Remove RADIATOR AIR DUCT .
Remove both brake air ducts with holder.
Remove fan cowl.
Remove HEAT EXCHANGER FROM FRONT AXLE SUPPORT and tie up.
Remove BOTH ANTI-ROLL BAR LINKS FROM ANTI-ROLL BAR .

Remove radiator box from engine support, extend out, press upwards and support with workshop jack.

Installation note:

Check rubber mount of radiator box for correct fit.

Fig 2: Supporting Radiator Box Using Workshop Jack

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Risk of damage!
First adjust minimum distance (A) = 3 mm between control line (1) and swivel motor (2).
Then adjust control line (3) with minimum distance (B) = 8 mm to control line (1).

Fig 3: Identifying Distance Between Control Line And Swivel Motor

Courtesy of BMW OF NORTH AMERICA, INC.

Mark installation position of control lines to swivel motor.

Release banjo nuts (1) and remove control lines (2) from swivel motor.

Seal control lines (2) and connections of swivel motor with clean seal plugs.

Installation note:

Carry over marking of installation position to new part.

Control lines are protected against being mixed up by different thread diameters on the swivel motor connection.

Tightening torque 37 14 18AZ .

Remove both protective caps (of "red" or "natural colour plastic" rubber with tensioning strap).

Fig 4: Identifying Control Lines And Banjo Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Tightening torque 37 14 20AZ .

Remove both control lines (2) from upper retaining brackets and tie up.

Remove upper retaining brackets.

Remove anti-roll bar (3) with rubber mounts from lower retaining brackets.

Replacement: Remove both rubber mounts from anti-roll bar.

Fig 5: Identifying Control Lines, Anti-Roll Bar And Mounting Screws

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Rubber lips (1) must be situated as pictured between retaining brackets!

Installation note:

Check roller bearing (2) for damage, replace anti-roll bar if necessary (slight discharge of grease OK).

Keep facing for rubber mount on a roller bearing clean and free from oil and grease.

Check rubber mount for damage, replace if necessary.

Fig 6: Identifying Rubber Lips, Roller Bearing And Anti-Roll Bar

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: To remove the risk of mixing up after removal of the control lines at the holders, observe the following:

Holder in direction of travel, left: Stud bolt (1) arranged virtually centrally on the holder
Holder in direction of travel, right: Stud bolt (1) arranged off-centre to the front of the holder
Align holders as pictured by way of additional tabs (2); both tabs point in direction of travel to right

Fig 7: Identifying Alignment Position Of Control Line Holders With Tabs
Courtesy of BMW OF NORTH AMERICA, INC.

After installation

When converting the front axle anti-roll bar with spring-type actuator to front axle anti-roll bar with dual piston, it is necessary to perform a RECODING
Fill and bleed HYDRAULIC SYSTEM .
Check line connections for leaks.
Carry out INITIAL DYNAMIC DRIVE OPERATION .