BMW X3 E83 Brake Disc Front Left Right N/O/S Ventilated Wheel Disc 325mm

BMW X3 E83 Brake Disc Front Left Right N/O/S Ventilated Wheel Disc 325mm is an original braking system component designed for the front axle, suitable for installation on either the left or right side. This used disc from the Brake discs category allows for an economical yet technically sound replacement of worn components, maintaining the braking characteristics intended for the BMW X3 E83. It is an ideal solution for users who want to maintain factory braking performance at reasonable service costs.

Specifications and technical data

• SKU: 3400151
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 3400151
• Substitutable numbers: 3400151, 34113400151
• Location on the vehicle: Front, Left, Right
• Category: Brake Disc Rotors

Purpose and vehicle placement

The presented brake disc is designed for use on the front axle of the BMW X3 E83 and can be mounted on either the left or right side. This solution simplifies part selection during service – one reference covers both sides of the vehicle, which reduces the risk of ordering errors and speeds up the repair process.

The 325 mm working diameter (as indicated in the title) corresponds to the factory configuration of selected BMW X3 E83 versions, allowing for the maintenance of proper braking system geometry, correct interaction with calipers, and predictable vehicle behavior during braking.

Technical and functional characteristics

As an element from the Brake discs category, the product is responsible for transferring braking force from the pads to the wheel, thereby ensuring stable deceleration. The disc design is adapted to the loads typical for a BMW X3 E83 class SUV, taking into account vehicle weight, brake force distribution, and operating conditions in both urban and extra-urban traffic.

Selecting a disc with the correct diameter and intended for the front axle is crucial for:

• maintaining even braking force distribution between the front and rear of the vehicle,
• proper interaction with assistance systems (ABS, traction control – if present in the specific car configuration),
• thermal stability during repetitive, intensive braking.

A used brake disc allows for the preservation of the original system operating characteristics, which is important for drivers who value the predictable, factory behavior of the car.

Condition, selection, and operational safety

The item is offered in used condition, which enables lower service costs while maintaining the original origin of the part. Before installation, every used disc should be verified for working thickness, potential cracks, axial runout, and surface evenness to ensure safe and stable operation of the braking system.

When replacing, it is recommended to:

• select a disc compatible with the engine version and equipment of the BMW X3 E83,
• check the condition of brake pads and lines,
• verify the operation of calipers and guide pins to avoid uneven wear of the newly installed component.

For users who want to deepen their knowledge on the safe selection of used braking system components, the following guide will be useful: Second-hand braking system: how to safely choose discs, calipers, and ABS?, where key aspects of selecting such components are discussed step by step.

Integration with other BMW elements and braking system development

In the case of BMW, it is particularly important to maintain consistency between discs, pads, and other braking system elements so as not to disrupt the factory handling characteristics. Users interested in a broader context of the differences between standard components and high-performance solutions can refer to the material: BMW M Performance: how do BMW M components differ from standard ones?, which discusses, among other things, issues related to brakes in different model lines.

BMW braking system expansion

If you are planning a comprehensive repair or upgrade of the braking area in your BMW and need other elements from the same group, such as additional discs, compatible pads, or related system components, check the available parts in the BMW brake discs category.