Bosch QuietCast BC946 Ceramic Front Brake Pad Set for BMW E46 Z4 E85

Bosch QuietCast BC946 Ceramic Front Brake Pad Set for BMW E46 Z4 E85

by Bosch

$45.98

Key Features

  • Fits E46 330i, 330Ci, 330xi and E85 Z4 front axle
  • Ceramic compound - noticeably less wheel dust than stock semi-metallic
  • Includes hardware kit - replace corroded E46 retaining clips while you are in there
  • QuietCast multi-layer shim reduces pad noise on cold morning stops
  • OE-style fitment, no caliper modifications needed
  • Not suited for track use - compound goes off quickly above street temps

Product Details

Brand
Bosch
Category
Brake Pads
ASIN
B013KCGX32

Check if it fits your BMW

Bosch QuietCast BC946 Ceramic Front Brake Pad Set for BMW E46 Z4 E85 — Overview

The Bosch QuietCast BC946 is a ceramic front brake pad designed as a direct OE-style replacement for the E46 330i, 330Ci, and 330xi, plus the E85 Z4. Ceramic compound means lower brake dust than the semi-metallic pads BMW fitted from the factory, and the QuietCast shim setup does a solid job of keeping noise down on daily driven cars. If your E46 is a street car that sees occasional spirited driving but no track days, these make sense - they bed in easily and work well across the full range of normal street temperatures.

For track use or aggressive street driving, I'd push you toward a performance compound like Hawk HPS or Pagid RS. The BC946 is not that pad - it is built for comfort, low dust, and quiet operation, and it delivers on all three. Fitment is straightforward on the E46 platform; just confirm your front rotor diameter matches the 330-spec setup, since the base 325 cars used a smaller rotor and a different pad. Hardware kit is included, which matters because the E46 pad retaining hardware corrodes and is worth replacing whenever you pull the calipers.