Shop OEM BMW Part # 34336872637 (34-33-6-872-637). Power Brake Booster. 2.0 liter, w/o M sport brake. 2.0 liter, w/o sport brake. 230i. 230i xDrive; w/o Sport Brake. 230i; w/o Sport Brake. 3

Booster. Brake. Power.
Exc.For Blue Painted Caliper. Exc.M Sport Package. From 07/2015. Power Brake Booster.

Power Brake Booster

2.0 liter, w/o M sport brake. 2.0 liter, w/o sport brake. 230i. 230i xDrive; w/o Sport Brake. 230i; w/o Sport Brake. 3 Series GT; 330xi; w/o M Sport Brake. 320i, 320ix; w/o M Sport Brake Pkg. 328d. 328dx; Sedan. 328dx; Wagon. 328i; Sedan; w/o M Sport; w/o M Sport Brake Pkg. 328ix; Sedan; w/o M Sport; w/o M Sport Brake Pkg. 328ix; Wagon; w/o M Sport Brake Pkg. 330i xDrive; w/o M Sport Brake Pkg. 330i, 330ix; w/o M Sport Brake Pkg. 4 Series; 430i; w/o M Sport Brakes. 430i, 430i xDrive; w/o M Sport Brake. 430i, 430ix; w/o M Sport Brake. 440i, 440i xDrive; w/o M Sport Brake; Convertible. M850i xDrive; w/o M Sport Brake. Sedan/Wagon, W/O 330E, 2.0 gas, w/o M sport brakes. W/O 330E, 2.0 gas, w/o M sport brakes. W/O 330E, 2.0 liter diesel. W/O M MODEL, 2014-21, w/o M sport brakes.
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 .