Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBMW2021I3 RANGE EXTENDERREPAIR AND DIAGNOSISGENERAL INFORMATIONOEM GENERAL INFORMATIONGENERAL ORPHAN DATAFRONT BRAKE, BMW, I01
2021 BMW i3 Range Extender
Front Brake, BMW, I01
2021 BMW i3 Range ExtenderSECTION Front Brake, BMW, I01
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IMPORTANT:
Installation of new brake pads is approved only provided that the brake disc thickness exceeds the specified dimension for "MIN TH" (see table). Brake discs must be replaced when they reach the nominal thickness (see table) minus 2.4 mm!(Not applicable to perforated brake discs and M vehicles).Depending on:
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| Different thicknesses on brake linings | Max. mm | 0.01 |
| Nominal size (diameter x thickness) | mm | 280x20 |
| (MIN TH) is stamped in brake disc chamber | mm | 18.4 |
| Pad wear warning from remaining brake pad thickness | mm | 3.7 |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.