Brake Booster, Ate - E46 323i, 325i, 328i, 330i - 34336779682

This part is listed by BMW as BMW part number 34336779682 (34 33 6 779 682) and is described as Brake Booster Servo Unit for all non-M E46 3 Series models including 323i, 323Ci, 325i, 325xi, 325Ci, 328i, 328Ci, 330i, 330xi, and 330Ci, excluding the M model hich uses a different unit. 

If your brake booster unit fails, you will essentially lose the "power" in your power brakes. This is dangerous and needs to be fixed immediately. This OEM brake servo / booster unit is made by Ate, the original equipment manufacturer to BMW. You can be assured you are getting the highest quality brake booster for your 1999-2006 E46 chassis 3 series available -- and at a price that will make your local dealer blush! 

This booster was used on all of the non-M model E46 3 series. Here's a detailed list of fitments: 

323i Sedan & Wagon (4 door) - 1999, 2000
328i Sedan & Wagon (4 door) - 1999, 2000
323Ci Coupe & Convertible - 2000
328Ci Coupe & Convertible - 2000
325i Sedan & Wagon- 2001, 2002, 2003, 2004, 2005 
325xi Sedan & Wagon- 2001, 2002, 2003, 2004, 2005
325Ci Coupe & Convertible - 2001, 2002, 2003, 2004, 2005, 2006 
330i Sedan - 2001, 2002, 2003, 2004, 2005
330xi Sedan - 2001, 2002, 2003, 2004, 2005
330Ci Coupe & Convertible - 2001, 2002, 2003, 2004, 2005, 2006 

For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.