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DELPHI

BG4644C

Brake disc

Specifications

Brake Disc Thickness
20 mm
Centering Diameter
75 mm
Height
71 mm
Minimum thickness
18.4 mm
Outer Diameter
330 mm
Brake Disc Type
Vented
Number of Holes
5
Test Mark
E1 90R-02C0277/1467
Surface
Coated
Machining
High-carbon
Weight
11.245 kg

Vehicle Manufacturers

BMW(3 items)

BMW

3420 6790 362

BMW

3420 6868 936

BMW

34206886482

Featured videos

Watch maintenance and replacement tutorials on YouTube.

About this part

A brake disc (rotor) is the metal disc that the brake pads clamp onto to slow the wheel.

When the pads press against the spinning disc, friction converts the vehicle's motion into heat, which the disc dissipates; commercial vehicle discs are large and heat-resistant for high loads and repeated braking.

Mounted at the wheel as part of a disc brake. Because braking is safety critical, discs and pads are inspected on schedule and replaced by axle set by a qualified technician.

Frequently asked questions

Does BG4644C have compatible (OE) part numbers?

Yes — it is linked to 3 OE-compatible part number(s), shown in the compatible parts section above.

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