BMW 3 Series 1 E90 E92 E93 M3 Mount Strut Tower Brace Center Mount 8045860

BMW 3 Series 1 E90 E92 E93 M3 Mount Strut Tower Brace Center Mount is an original structural component designed to stiffen the upper suspension strut mounts. This central strut tower brace mount operates in a critical area of the chassis, improving handling stability, steering precision, and vehicle behavior during dynamic maneuvers. This solution is particularly valued in high-performance cars like the M3, where front-end rigidity is crucial for suspension performance.

Specifications and technical data

• SKU: 8045860-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8045860
• Substitutable numbers: 51618045860, 8045860, 64316964415, 6964415, 64316964416, 6964416, EM
• Offset (ET):
• Category: Shocks, Struts & Assemblies

Purpose and function in the suspension system

The central strut tower brace mount in the 3 Series M3 works in conjunction with the suspension struts, limiting the deflection of the strut towers during braking, acceleration, and cornering. As a result:

• body deformation in the strut mounting area is reduced,
• the steering system reacts more predictably,
• the suspension operates under more stable geometric conditions.

In practice, this translates into better vehicle control, especially at higher speeds and during the intensive use typical of M3 models.

Benefits of using an original BMW component

The original strut tower brace mount has been designed specifically for the geometry of the 3 Series M3 front chassis, ensuring:

• precise fitment to factory mounting points,
• consistency with the performance characteristics of Shock Absorbers and Struts in this model,
• maintenance of the structural rigidity intended by the manufacturer.

Choosing an original component is particularly important in premium-class vehicles, where fitment precision and predictable chassis behavior have a direct impact on safety and driving comfort.

Professional use in service and motorsport

The central strut tower brace mount is used both in standard repairs and in more advanced projects, such as:

• restoring factory front-end rigidity after intensive use,
• preparing the car for track or sports driving,
• upgrading the suspension system for a more sporty character.

For workshops specializing in the BMW brand, this is a component that allows for factory-consistent reinforcement of the front axle, without the need for universal solutions with uncertain fitment.

Complementary suspension components and technical knowledge

To fully utilize the potential of the strut tower brace mount, it is worth paying attention to the condition of other suspension system elements – struts, control arms, and stabilizers. Practical tips on diagnostics and maintenance of these components can be found in the guide Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers, which discusses the relationships between individual elements and their impact on driving safety.

Further suspension upgrades for BMW

If you are planning a comprehensive repair or upgrade of the suspension area in your BMW and need other elements from the same group, such as struts, mounts, or brackets, check out the available parts in the BMW Shock Absorbers and Struts category.

In the context of premium-class cars, solutions based on original aftermarket components are becoming increasingly important. If you want to better understand why this approach is currently so popular, it is worth reading the trend analysis in the article Crisis in the new parts market? Why used originals for premium cars (BMW, Mercedes, Porsche) are the hottest trend in 2026, which shows how to consciously plan repairs and upgrades based on OEM parts.