34 21 Rear Brake Discs E91
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 BMW 328xi, 2012 BMW 328i, 2011 BMW 328xi, 2011 BMW 328i, and 2010 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.
REAR BRAKE DISCS SPECIFICATION
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IMPORTANT:
New brake pads may only be fitted if the brake disc thickness is greater than the minimum brake disc thickness (MIN TH).
Minimum brake disc thickness during general inspection (GI): Nominal size thickness minus 2.4 mm (Not applicable to perforated brake discs and M vehicles) M vehicles and perforated brake discs: Nominal size thickness minus 1.6 mm Depending on:
different brake discs can be fitted The brake discs must always be assigned by way of the relevant vehicle identification number and the Electronic Parts Catalogue (ETK)! |
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| Different thicknesses on brake linings | Max. mm | 0.01 |
| Max. machining limit per friction ring side (M vehicles and perforated brake discs must not be machined). Brake disc minimum thickness (MIN TH) must not be undershot. |
mm | 0.8 |
| Nominal size (diameter x thickness) | mm | 336x22 |
| Nominal size (diameter x thickness) | mm | 324x22 |
| Brake disk minimum thickness (MIN TH) stamped on brake disk body | mm | 20.4 |
| Nominal size (diameter x thickness) | mm | 300x20 |
| Brake disk minimum thickness (MIN TH) stamped on brake disk body | mm | 18.4 |
| Wear warning from residual lining thickness | mm | 3.7 |