34 21 Rear Brake Discs Carbon Ceramic Brake
WARNING: This page does not describe the selected car, but rather 33 other vehicles, including the 2018 BMW M6, 2018 BMW 650i xDrive, 2018 BMW 650i, 2018 BMW 640i xDrive, and 2018 BMW 640i. 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 0.05 mmWear of brake discs can be evaluated via the wear indicators (optical identification of oxidative wear). See EVALUATION OF WEARThe brake discs must always be assigned by way of the relevant vehicle identification number. |
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| Maximum permissible weight loss per brake disc | gram | 70 |
| Different thicknesses on brake linings | Max. mm | 0.01 |
| Max. machining dimension per friction ring side | Carbon ceramic brake discs must not be machined | |
| Nominal size (diameter x thickness) | mm | 396 x 26 |
| Minimum brake disc thickness (MIN TH) on brake disc chamber | mm | 25.95 |
| Pad wear warning from remaining brake pad thickness | mm | 3.7 |