Cardone 19-B6678NM Disc Brake Caliper - Rear Left

Rear Left Brake Caliper for BMW 528i and 535i

Restore rear braking performance with this Cardone unloaded caliper with bracket, part number 19-B6678NM. It is a remanufactured rear left disc brake caliper built for select BMW 5 Series applications, including BMW 528i, 535i, and ActiveHybrid 5 models.

Cardone’s Unloaded Caliper w/Bracket line focuses on OE-style fitment and complete service-ready components for the brake hydraulics category. This unit is remanufactured, pressure-tested, and finished with corrosion-resistant protection for dependable everyday braking.

• Fits select 2011-2016 BMW 528i, rear left
• Fits select 2012-2016 BMW 528i xDrive, rear left
• Fits select 2011-2016 BMW 535i, rear left
• Fits select 2011-2016 BMW 535i xDrive, rear left
• Fits select 2014-2016 BMW 535d and 535d xDrive, rear left
• Fits select 2012-2016 BMW ActiveHybrid 5, rear left
• Steel piston construction with 43.9166 mm piston size
• Gray caliper with oil emulsion finish
• M10x1.0 inlet and bleeder port size
• Bracket included where applicable; pads not included

This rear left BMW brake caliper is remanufactured to OE specifications and supplied with new premium internal components, new seals, new bleeder screws, and protective port caps. The 19-B6678NM is pressure-tested for consistent hydraulic performance and includes a bracket when required by the application. It cross-references BMW 34216793041 for the same application.

Common Brake Issues This Part Can Address

• Rear brake drag or uneven rear wheel braking
• Brake fluid seepage at the caliper body or bleeder area
• Corrosion-related caliper sticking on the rear left side
• Poor pedal response caused by a worn hydraulic caliper assembly
• Brake noise or uneven pad contact from a failing caliper

Installation Notes

Verify rear left placement and confirm the vehicle is equipped without a parking brake motor before installation. Use the correct OE-specified brake fluid, and bleed the system thoroughly after replacement. Floating caliper mounting pins should be lubricated with silicone grease, and all brake port threads should be kept clean during service.

For BMW 528i, 535i, and ActiveHybrid 5 applications, confirm the piston material, bracket configuration, and port size match the original unit before installation. Part number 19-B6678NM is designed for direct replacement on the listed rear left applications.

Quality Assurance

Each Cardone remanufactured caliper is pressure-tested and built with new premium components, including high-temperature EPDM rubber seals and durable piston materials. The remanufacturing process also reduces raw material and energy use compared with producing a new part.