This screw is used to hold the brake disc onto the wheel hub. It's a good idea to replace these screws whenever you replace brake discs.
34-21-1-161-806-M9
Allen Head Bolt for Brake Disc to Hub 8 X 15 mm, 330i Front/Rear(4 Per Car) Brand: Genuine BMW [Photo]
$2.00
Anti-Squeal Products
Anti-Squeal Pad Inserts Brake squeal got you down? Try these inserts between your pad and your caliper. The pad inserts should help to dampen the brake pads when you begin to brake, thus reducing vibrations that cause squealing.
Wurth Anti-Squeal Products Copper Paste is a 98% pure copper metallic Anti-Squeal/Seize lubricant sealant compound for all threaded parts and gaskets. CU 1100 is a high temperature stable lubricant up to 2000°F. Non-gumming. Seals out moisture. Will not run out of threads when heated. Sticks to metal threads and lets joints in pipes, nuts on bolts, or studs join with less torque. D.O.T. Non-Hazardous. Comes in 1 lb. can with built-in brush.
Wurth Anti Squeal Spray Anti Squeal Spray eliminates disc brake squeal. Dries in minutes with permanent effect. Brake Pads must be removed to apply. Contents: 300 ml.
