Shop BMW M6 Power Brake Booster. 3.0L. 4.4L, 4.8L. 4.8 liter. 5 Series; w/o GT. 5.0 liter. 5.0L. 525i - OEM BMW Part # 34336779742 (34-33-6-779-742, 34332282819, 34336761086, 34336766595)

Brake. Booster. Power.
Power Brake Booster.

Power Brake Booster

3.0L. 4.4L, 4.8L. 4.8 liter. 5 Series; w/o GT. 5.0 liter. 5.0L. 525i, 530i. 525xi, 530xi. 545i, 550i. 645Ci. 650i. M5. M6.
Brake Power Booster Unit - Repair or Replace
If you have a brake pedal that is suddenly stiff or you hear a whistling noise when you step on your brakes—especially when you're stopped—the culprit may be a failed brake booster. Our technicians can easily diagnose a possible brake booster failure in your .