Bosch 53011489 Disc Brake Rotor - Front Left

Bosch QuietCast Rotor for Front Left Brake Service

The Bosch QuietCast Disc Brake Rotor, part number 53011489, is a front left replacement rotor built for select BMW and Toyota applications. It uses an iron alloy construction with a smooth brake surface and Geomet disc finish to support consistent braking performance and corrosion resistance.

For drivers servicing a BMW 330i, BMW X5, or Toyota GR Supra, this Bosch QuietCast rotor provides the correct fitment profile for front left brake replacement on listed vehicles. The coated hat and rust-resistant coating help protect exposed surfaces in everyday driving conditions.

Key Features

• Brand: Bosch QuietCast Disc Brake Rotor
• Part number: 53011489
• Iron alloy construction with vented design
• Smooth brake surface finish for even pad contact
• Geomet disc finish with rust-resistant coating
• Coated hat finish for added surface protection
• Directional brake surface design
• Rotor without hub assembly

Product Details

Bosch QuietCast is Bosch’s brake rotor line focused on OE-style replacement fit and finish. This rotor measures 348 mm outside diameter, 36 mm nominal thickness, 34.4 mm discard thickness, and 67 mm center bore diameter, with a 5-bolt mounting pattern and 112 mm bolt circle diameter. The vented construction supports heat management during repeated braking, while the smooth surface and directional brake face help maintain consistent pad contact. This part number 53011489 is listed for front left applications on a wide range of BMW models, including 330i, 530i, X3, X5, and 740i, as well as the Toyota GR Supra.

This part cross-references OE-style numbers such as 43516WAA01 and 34106880075 for the same application.

What It Helps Address

• Brake pulsation from a worn or uneven rotor surface
• Reduced braking consistency caused by rotor wear
• Surface corrosion on exposed brake components
• Noise or vibration related to rotor condition
• Brake service needs on front left applications

Installation Notes and Tips

Verify rotor dimensions, bolt pattern, center bore, and front left position before installation. Clean the hub mounting surface thoroughly to help prevent runout-related issues. Inspect brake pads, caliper hardware, and wheel bearings during service, and confirm the rotor surface is free of contamination before bedding in new pads.

Quality Assurance

Bosch QuietCast rotors are built with coated surfaces and corrosion-resistant finishing to support long-term service life in normal road use. Confirm vehicle-specific fitment against the listed applications for BMW 430i Gran Coupe, BMW i4, BMW M440i xDrive Gran Coupe, BMW 530i xDrive, BMW X7, and Toyota GR Supra before ordering.