Front Brake Rotor for 2017-2021 BMW 230i & More - HELLA 355123002

$113.99

Part number: 355123002

EAN: 4082300574388

Condition: New

Weight: 21.43 LBS

Item Package Quantity: 1

$113.99

Current Stock: 4

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DISC BRAKE ROTOR

$113.99

Description

HELLA BRAKES 355123002 front brake rotor for the 2017-2021 BMW 230i and other vehicles is the disc the brake pads squeeze to slow the wheel. This disc brake rotor is internally vented and has a smooth, non-directional face.

High carbon content in gray cast iron for improved heat dissipation
Full zinc coating for rust protection
High carbon content and soft casting material absorb sound and resist deformation to reduce noise and vibration
Non-oiled surface, so no degreasing is needed

Quick facts

Part: HELLA BRAKES 355123002 brake rotor
Also called: disc brake rotor
Fits: 2017-2021 BMW 230i and other vehicles
Position: Front
Material: gray cast iron
Condition: New

Pedal pulsation or steering wheel shake under braking, grinding, or visible grooves can mean a rotor is worn, though worn pads or a sticking caliper may be behind those symptoms instead. During a brake service, with the engine off, measure the rotor against its discard thickness before replacing it. This listing is one front rotor; the 2017-2021 BMW 230i takes two, so order two and fit them together.

Fits

The 2017-2021 BMW 230i xDrive and the 2017-2020 BMW 430i 4-cylinder 2.0L both take this rotor, along with many other BMW models. If your BMW is not named here, look it up in the "Vehicles it fits" section to see whether it is covered.

Specifications

Fit and size

Position: front
Quantity per vehicle: 2
Outside diameter: 312 mm (12.28 in)
Inner diameter: 151.8 mm
Centering diameter: 79 mm (3.11 in)
Bolt circle: 120 mm (4.72 in), 5 lug holes
Wheel bolt bore: 14.7 mm
Thickness: 24 mm (0.94 in) new, 22.4 mm discard
Overall height: 73.5 mm

Build and materials

Type: internally vented, full cast
Material: gray cast iron
Finish: coated disc and hat
Balancing: mill balancing
ABS tone ring: not included
Condition: new
Country of origin: China

In the box

One front brake rotor with a fixing screw. Wheel studs, the wheel hub and bearings are not included.

Installation notes

Installation by qualified personnel is required.

Manufacturer's description

Product specs

Vehicles it fits

Interchange numbers

Buyer's Q&A

Frequently Asked Questions

Does the HELLA BRAKES 355123002 rotor fit the 2017-2021 BMW 230i xDrive?

Yes. HELLA BRAKES 355123002 is a front rotor listed for the 2017-2021 BMW 230i xDrive, and that car takes two.

Do I need to degrease this HELLA front rotor or buy a screw for it?

No. HELLA BRAKES 355123002 has a non-oiled surface and comes with a fixing screw. Wheel studs, the wheel hub, bearings and an ABS tone ring are not included.

What size is this HELLA 355123002 brake rotor?

It measures 312 mm (12.28 in) across and 24 mm thick, with a 120 mm bolt circle and 5 lug holes. The rotor is internally vented.

At what thickness should this vented front rotor be replaced?

Replace it when it reaches the 22.4 mm discard thickness; a new rotor measures 24 mm. Measure it during a brake service.

Is this HELLA front rotor coated against rust?

Yes. It has a full zinc coating, and both the disc and the hat are coated.

Manufacturer resources

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