Brake system BMW 3 Series E46 (1998–2006) — disc sizes and torque specs
Brake system specs for BMW 3 Series E46 (1998–2006) — complete technical data: disc diameters, minimum thickness, caliper and hub bolt torques.
Front Brakes
| Parameter | Value |
|---|---|
| Disc Diameter | 300 mm |
| New Disc Thickness | 22 mm |
| Minimum Thickness | 20 mm |
Rear Brakes
| Parameter | Value |
|---|---|
| Disc Diameter | 294 mm |
| New Disc Thickness | 10 mm |
| Minimum Thickness | 8 mm |
Torque Specifications
| Component | Torque (Nm) |
|---|---|
| Front Caliper Slider Bolt | 26 |
Recommended Brands
Brake Discs: Brembo, TRW, ATE, Textar, Ferodo Brake Pads: Bosch, TRW, Brembo, ATE, Textar, Jurid Calipers: ATE, TRW, Delphi, Bendix
Domande frequenti
When to replace brake discs on BMW 3 Series E46?
Replace when minimum thickness is reached (front: 20 mm), cracks appear, deep grooves form, or runout exceeds 0.05 mm.
What is the wheel bolt torque for BMW 3 Series E46?
Wheel bolt torque: 140 Nm.
Should discs and pads be replaced together?
When replacing pads, measure disc thickness. If remaining life is less than 2 mm to minimum — replace together.
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