Replacing rear axle support (FWD) (X2 sDrive 28i 2018-2023)

Necessary preliminary work: 

• Refer to REMOVING REAR WHEELS .
• Refer to REMOVING EXHAUST SYSTEM .
• Refer to REMOVING TANK COVER ON LEFT AND RIGHT .
• Remove all wishbones. Refer to REMOVING AND INSTALLING/REPLACING TOP RIGHT WISHBONE  .

Removal: 

Press brake pedal down to floor and secure with pedal support.

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Remove heat shield (1).

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Release hollow nut (2).

Disconnect brake hose (1) on left and right from the brake line.

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Only for rear ride height sensor:

Disconnect connector (1).

Release screw (2).

Remove ride height sensor.

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Support the rear axle support (1) using the universal jack (2).

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Release screws (1) from rear axle support (2).

Lower rear axle support by approx. 10 cm.

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Release screws (1) from anti-roll bar (2).

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Remove rear axle support.

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Installation: 

Position the rear axle support on the vehicle using the universal jack.

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Tighten down anti-roll bar (2) with screws (1) on rear axle support.

Tightening torque 33 55 3AZ .

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Tighten down rear axle support (2) with screws (1) on vehicle.

Tightening torque 33 31 1AZ .

Lower the universal jack and put it away.

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Only for rear ride height sensor:

Position ride height sensor.

Tighten screw (2).

Tightening torque 37 14 3AZ .

Connect the connector (1).

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Position the brake hose (1) on left and right.

Attention! 

Do not twist the brake hose!

Tighten the brake line by means of the hollow nut (2).

See TIGHTENING TORQUE .

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Install heat shield (1).

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Release pedal support.

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Required follow-up work: 

• Refer to FLUSHING AND BLEEDING THE REAR AXLE BRAKE CIRCUIT .
• Refer to INSTALLING TANK COVER ON LEFT AND RIGHT .
• Refer to INSTALLING EXHAUST SYSTEM .
• Refer to INSTALLING REAR WHEELS .
• Perform wheel alignment. Refer to KINEMATICS DIAGNOSIS SYSTEM WHEEL ALIGNMENT WITH RIDE HEIGHT MEASUREMENT WITHOUT LOADING THE VEHICLE .