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If you are concerned about strut tower mushrooming and looking for improved handling, the M7 Strut Tower Brace (STB) is the solution. This is the ONLY strut tower brace on the market that features anti-mushrooming technology.
Repeatedly, we've heard the same complaint: strut towers mushroom after heavy impacts from shocks and low aspect ratio tires. Initially, the shock towers take on a barely visible convex shape, but if compared to the original sheet metal, you'll find the horizontal plane has moved as much as 3/8" upwards, making alignment nearly impossible.
This issue often shows up as a slight pull to the left or right, depending on which strut tower is affected. The M7 Strut Tower Brace's end mounting plates solve this problem by sandwiching the sheet metal and shock top plate, creating a reinforced surface that won't bend, even during hard impacts.
The M7 STB features 1/2" (13mm) thick end plates that add extra strength to the strut towers, preventing mushrooming and potentially costly repairs. The cross brace significantly improves handling by adding torsional stiffness to the front body structure, helping keep your tires planted and pointed in the direction you want to go, especially during hard turns. Machined from billet aluminum and matte black powder coated, the M7 Strut Tower Brace boasts a durable black finish that looks great and won't chip or oxidize.
We have customers who won't drive their new MINI off the lot without one and dealers that sell every new MINI with either the M7 Strut Reinforcement Plates or the M7 Strut Tower Brace.
Concerned about clearance? No worries. The M7 STB profile is designed to clear both stock and aftermarket cold air intakes and ECUs. Its modular design allows easy access to the oil filter or any other accessories that might normally be blocked and require removal of the entire brace.
Installation is a snap (often taking less than 20 minutes)! No need for new nuts—the brace uses the three stock nuts on each side. Installation instructions are available online by clicking the "INSTALLATION" link on this page.
The M7 Strut Reinforcement Plates and the M7 Strut Tower Brace are two separate products that address strut tower mushrooming (you only need one or the other).
If your MINI is mainly a daily driver, the M7 Strut Reinforcement Plates are sufficient. If you have performance driving in mind, the M7 Strut Tower Brace is what you're looking for!
Please note:
The AEM-29-0005R performance strut bar is a must-have for various Mini Cooper S models equipped with the AEM 21-699C or 21-721C cold air intake. This high-quality strut bar is designed to provide additional vehicle stability, giving your Mini Cooper S a performance boost.
Constructed from 1-1/2 inch steel tubing, the AEM strut bar combines exceptional strength with low weight, offering a genuine racing solution that surpasses many hinged or weaker alternatives available in the market. Its durable construction ensures long-lasting performance and reliability.
With a vibrant Red powder coat finish and the prominent AEM logo, this strut bar not only enhances your vehicle's stability but also adds a clean, high-performance look under the hood. Its eye-catching design is a testament to its quality and performance.
Installation is a breeze, as the AEM-29-0005R strut bar is designed to be compatible with the existing factory mounting points. This ensures a hassle-free and secure installation process, saving you time and effort.
Key Features:
Elevate the performance and style of your Mini Cooper S with the AEM-29-0005R performance strut bar. It's the ideal choice for enthusiasts looking for a true racing option and a professional alternative to weaker strut bars on the market.
Enhance your MINI's handling by stiffening its chassis with the newly redesigned M7 Rear Chassis Brace. This upgrade is crucial for maximizing tire grip, allowing your suspension components—such as springs, shocks, and sway bars—to function optimally and keep your tires in better contact with the ground, resulting in improved grip.
Upgrade your MINI's chassis with the M7 Rear Chassis Brace and experience a significant improvement in grip and handling.
Elevate your Mini's performance with the M7 Tuning J-Brace, specially designed for R56 MINI Coopers equipped with the factory John Cooper Works intake. This brace enhances front-end stiffness, protects strut towers from mushrooming, and adds a stylish touch to your vehicle.
Note: The J-Brace has been slightly modified for the 2011-2013 model year MINI Cooper S for better clearance to stock parts. This brace does not fit the base model Cooper (non 'S' model) or the JCW GP2 model.
This product was last offered at the strikethrough price on
05-14-2026
Experience enhanced vehicle stability with the AEM-29-0005 performance strut bar, designed to complement Mini Cooper S models equipped with the AEM 21-699C or 21-721C cold air intake. AEM's strut bars are engineered to provide exceptional performance and a sleek appearance under your vehicle's hood.
Choose the AEM-29-0005 performance strut bar for a professional alternative that enhances both form and function.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
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