Necessary preliminary tasks:
IMPORTANT: Before beginning repair work, fully press the brake pedal several times to reduce the vacuum pressure in the brake servo.
Pull non-return valve (1) in direction of arrow out of brake booster.
Installation note: Check seal in brake booster and replace if necessary.
Disconnect snap fastener (1) and feed out vacuum line (2).
Installation note: Make sure that snap fastener (1) is correctly engaged.
BMW X3 Service & Repair Manual > Front axle repair instructions: Notes on repairing threads (A)
IMPORTANT: Install Helicoil thread inserts so that they are flush with the original thread!
NOTE: Damaged threads may be repaired with Helicoil thread inserts. Observe the
PROCEDURE described in the example.
Notes on repairing threads (B)
IMPORTANT: Install Helicoil thread inserts so t ...