Brake Caliper Front BMW F10 M5 F12 M6 Left N/S Brake Housing Carrier 30/34/36

Visual condition of the part

The product shows signs of use visible in the photos.

Brake Caliper Front BMW F10 M5 F12 M6 Left N/S Brake Housing Carrier is an original braking system component designed for installation on the front axle on the driver's side. Thanks to its factory BMW design, it ensures precise pad guidance, stable braking force transmission, and consistency with the characteristics of the sporty M models. This is a solution for users who expect reliable braking system performance while maintaining compliance with factory specifications.

Specifications and technical data

• SKU: 7845747-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7845747
• Substitutable numbers: 34117845747, 7845747, 34117845748, 7845748, 34112284101, 2284101, 34112284102, 2284102, BG
• Location on the vehicle: Front, Left
• Category: Calipers & Brackets

Purpose and compatibility with BMW M5 F10 / M6 F12

The presented caliper has been designed specifically for the front left axle in sporty BMW M-series models. The construction, adapted to the high loads characteristic of the M5 F10 and M6 F12, allows for efficient heat dissipation and stable operation during intensive braking. Its original BMW origin ensures full compatibility with factory brake discs, pads, and brake lines intended for these versions.

Construction and technical characteristics

The caliper belongs to a group of high-performance components used in powerful BMW M engines. The housing and carrier have been designed to ensure:

• stable brake pad guidance at high wheel rotational speeds,
• even distribution of clamping forces on the friction surface,
• appropriate structural rigidity to limit deflection during hard braking,
• consistent cooperation with ABS, DSC, and other BMW traction control systems.

This solution is particularly important in high-weight and high-power vehicles, where the braking system operates at elevated temperatures and requires the maintenance of repeatable performance parameters.

Benefits of using an original, used caliper

Choosing an original BMW brake caliper in used condition is a reasonable compromise between cost and quality. A component originating from a factory system:

• maintains the geometry and parameters specified by the vehicle manufacturer,
• facilitates installation – fits factory mounting points without modifications,
• ensures predictable vehicle behavior during braking,
• allows for maintaining the consistency of the entire braking system with BMW M design principles.

Used condition means the component has been previously operated, however, with proper selection and installation, it can be an economical service solution for demanding users who wish to stick with OEM parts.

Professional installation and operation

Due to the importance of the braking system for safety, installation by a qualified service center is recommended, following the manufacturer's procedures. During replacement, it is worth paying attention to:

• the condition of the brake discs and pads working with the caliper,
• the tightness of the brake lines and the correctness of the system bleeding,
• the correct tightening torques for the carrier and caliper mounting bolts.

Such an approach allows for fully utilizing the potential of the design used in M5 and M6 models, ensuring stable braking both in daily driving and during dynamic operation.

More about used brake calipers and BMW parts

If you want to better understand how to safely use original, used braking system components and how to reduce service costs without sacrificing quality, check out the article: Brake calipers under the microscope: how to choose used braking system components. You will find practical tips there regarding the selection and operation of such components.

If you are planning a comprehensive repair or upgrade of the braking zone in your BMW and need other elements from the same group, such as calipers, carriers, or brackets, check the available parts in the category BMW brake calipers and brackets.

Additional information on which used components in German cars are worth choosing and which are better to avoid is also provided by the guide: renovation and repair of German cars using recycled parts.