BMW Z4 Series E85 Protection Cover Plate Brake Disc Front Left N/S 6750129

BMW Z4 Series E85 Protection Cover Plate Brake Disc Front Left N/S is an original brake system component, designed specifically for the front axle on the driver's side. It protects the brake disc from contaminants, water, and minor mechanical damage, supporting stable brake performance and uniform heat dissipation. Thanks to the factory fit for the BMW Z4 E85, installation is precise, and the system geometry remains in accordance with the manufacturer's specifications.

Specifications and technical data

• SKU: 6750129
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6750129
• Substitutable numbers: 34116750129, 6750129, 34111164383, 1164383, EM
• Location on the vehicle: Front, Left
• Category: Brake Disc Rotors

Purpose and fitment for BMW Z4 E85

The presented BMW Z4 Series E85 Protection Cover Plate Brake Disc Front Left N/S has been developed for the BMW Z4 E85 model, taking into account the characteristics of the front axle. Its placement on the vehicle is the front left side, which ensures proper guidance of cooling air and an effective barrier against dirt and moisture in this specific area of the brake system.

The component comes from the Brake Discs group, which means it is integrally linked to the operation of the brake disc and pads – its task is to limit corrosion of the working surface and protect against excessive contamination that could impair braking efficiency.

Technical and functional characteristics

The cover plate was designed as an original BMW part, which translates into:

• proper fitment to the hub and brake disc on the front left side,
• maintaining the correct distance from the working surface of the disc,
• stable mounting at factory installation points.

As a result, the brake system maintains proper geometry, and the risk of rubbing against the disc is minimized. The design of the cover plate also supports controlled heat dissipation from the disc area, which is important during dynamic driving and frequent braking.

Condition of the component and benefits of using a used OEM part

The product is in the category of used original BMW parts, which allows for combining an attractive price with the preservation of factory manufacturing standards. Compared to aftermarket replacements, the original cover plate better replicates the shape, mounting points, and profile matched to the specific Z4 E85 model.

Using this cover plate in place of a worn or corroded component helps to:

• limit accelerated corrosion of the brake disc,
• reduce the amount of contaminants entering the area around the pads,
• maintain stable operating conditions for the brake system on the front left axle.

Professional selection and brake system safety

When replacing components in the brake zone, it is worth paying attention to the consistency of the entire system – from discs and pads, through cover plates, to control elements. A well-chosen, original brake disc cover plate is one of the simple ways to maintain predictable brake operation and limit unwanted vibrations or noises.

If you want to deepen your knowledge on the safe selection of used brake components, practical criteria for assessing their condition, and how to verify their origin, check out our guide: Second-hand brake system: how to safely choose discs, calipers, and ABS?

BMW brake system expansion – related components

If you are planning a comprehensive repair or upgrade of the brake zone in your BMW and need other components from the same group, such as discs, pads, or brake lines, check out the available parts in the BMW Brake Discs category.

In summary, the BMW Z4 Series E85 Protection Cover Plate Brake Disc Front Left N/S is a sensible choice for drivers who want to maintain factory braking characteristics, improve protection of the disc against external factors, and simultaneously maintain high-quality components within the front axle.