BMW 3 E46 Front Wheel Ventilated Brake Disc Caliper Set 300X22 6864058

BMW 3 E46 Front Wheel Ventilated Brake Disc Caliper Set 300X22 is a set from the Brake discs category, designed for the front axle in BMW 3 Series E46 models. The set combines a ventilated disc with a caliper, which facilitates the matching of braking system components and allows for a consistent, technically correct upgrade of the front axle.

Specifications and technical data

• SKU: 6864058
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6854997
• Substitutable numbers: 34116864058, 6864058, 34116758113, 6758113, 34116758114, 6758114, 34116794302, 6794302, 34116855152, 34111164539, 1164539, 34116766224, 6766224, 34116757526, 6757526, 34111165029, 1165029, 34111160351, 1160351, 34111165030, 1165030, 34111160352, 1160352, BG
• Location on the vehicle: Front
• Category: Brake Disc Rotors

Purpose and design of the set

The presented front brake component set has been designed specifically for the suspension and hub geometry of the BMW 3 Series E46. The ventilated disc of a specific diameter and thickness works with a dedicated caliper, ensuring stable pad guidance and even distribution of braking forces across the entire working surface.

The ventilated design of the disc promotes effective heat dissipation from the friction area, which reduces the risk of overheating and a decrease in braking efficiency during intensive use. The set is optimized for the stock BMW braking system, ensuring that factory pedal characteristics and braking force modulation are maintained.

Compatibility and OEM identification

The components included in the set comply with BMW factory standards, and their identification is based on the OEM part number and associated interchangeable numbers. This allows for precise matching to a specific version of the BMW E46, taking into account the engine variant and braking system configuration.

The presence of reference numbers also facilitates verification of compatibility with already installed components, which is particularly important when replacing a single set on the front axle. If necessary, markings can be compared with service documentation or the manufacturer's catalog to confirm full compatibility.

Performance characteristics on the front axle

The placement of the set on the front axle means it is responsible for the main part of the vehicle's braking force. The ventilated disc works with the caliper in a way that ensures stable, predictable deceleration, both in city traffic and at higher highway speeds.

Selecting the appropriate disc diameter and thickness in relation to the caliper allows for maintaining the correct contact surface with the pad, which translates into even wear of the friction material and repeatable braking performance. The set is structurally prepared to work with stock system components, such as brake lines or the master cylinder, without the need for additional modifications.

Condition, origin, and advantages of using used parts

The set comes from an original BMW braking system and is offered as a used part, which allows for an economical repair or restoration of the factory brake configuration in a BMW E46. Properly selected used components can be a reasonable compromise between cost and maintaining the original operating parameters of the system.

To better understand how to safely select used discs, calipers, and ABS-related components, it is worth reading the guide: Second-hand braking system: how to safely choose discs, calipers, and ABS?. The article contains a practical checklist that helps assess the condition of components before installation in the vehicle.

Support with selection and expansion of the BMW braking system

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 additional disc sets, matching calipers, or compatible components working with the braking system, check the available parts in the BMW Brake discs category.

For users who want to consciously develop and maintain their car based on original components, the following material may also be helpful: BMW – sports performance and precision. How do original used parts extend the life of the Bavarian icon?. You will find information there about selection procedures using OEM numbers as well as practical tips regarding the operation of used components in BMW cars.