Shop OEM BMW Part # 34336872636 (34-33-6-872-636). Power Brake Booster. 3 Series GT; 335xi. 3 Series GT; 340xi; w/o M Sport Brake. 3.0 liter, w/o M sport brake. 3.0 liter, w/o M4, w/o sport

Brake. Booster. Power.
Exc.For Blue Painted Caliper. M Sport Package. Power Brake Booster.

Power Brake Booster

3 Series GT; 335xi. 3 Series GT; 340xi; w/o M Sport Brake. 3.0 liter, w/o M sport brake. 3.0 liter, w/o M4, w/o sport brake. 328i; Sedan; w/M Sport; w/o M Sport Brake Pkg. 328ix; Sedan; w/M Sport; w/o M Sport Brake Pkg. 340i, 340ix; w/o M Sport Brake Pkg. 4 Series; 440i; w/o M Sport Brakes. 440i, 440i xDrive; w/o M Sport Brake; Coupe. 440i, 440ix; w/o M Sport Brake. W/O 330E, 3.0 liter, 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 .