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MMR Performance

Mini Cooper F56 F55 F54 Clubman Front Lower Chassis/Subframe Brace - CNC Billet T-6061 Aluminium, Gloss Black - Bolt-On Handling Upgrade & Exhaust Clearance - Gen 3 2013+ - Fits Cooper, Cooper S, SD, JCW - Tie Bar/Undertray/Tunnel Brace/Stiffener

Mini Cooper F56 F55 F54 Clubman Front Lower Chassis/Subframe Brace - CNC Billet T-6061 Aluminium, Gloss Black - Bolt-On Handling Upgrade & Exhaust Clearance - Gen 3 2013+ - Fits Cooper, Cooper S, SD, JCW - Tie Bar/Undertray/Tunnel Brace/Stiffener

Regular price £119.59
Regular price Sale price £119.59
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Front Lower Chassis Reinforcement Bar for Mini F56, F55, F54 Clubman

Transform the way your Mini turns in and tracks through corners with this precision front lower reinforcement bar. Machined from solid T-6061 aluminium billet and finished in a deep gloss black anodise, it replaces the factory steel tie bar to reduce flex, sharpen steering accuracy and enhance stability on B-roads and track days, while keeping weight to a minimum.

Designed to sit beneath the front floor and follow the tunnel, this upgrade also creates additional space around the mid-section for larger diameter aftermarket exhaust systems. Ideal if you are running a performance downpipe or cat-back and want extra clearance without compromise.

Key reasons to choose this upgrade

  • Direct swap for the OEM lower brace on Mini F56 hatch, F55 5-door and F54 Clubman
  • CNC cut from high-grade T-6061 alloy billet for exceptional strength-to-weight
  • Stiffer front structure for crisper turn-in, improved mid-corner control and better feedback
  • No added NVH in normal driving when compared with the stock steel bar
  • Improved room for larger bore exhausts, downpipes and resonators
  • Supplied complete with new fixings for a clean, hassle-free install
  • Bolt-in fitment using existing pick-up points, no drilling, no trimming, fully reversible
  • Durable gloss black anodised finish that looks smart and resists corrosion
  • Works perfectly alongside the matching centre and rear braces, available separately

We run this part on our own shop cars and customer builds. Feedback is consistently positive, with owners reporting tighter front-end feel, more confidence on turn-in and a more planted Mini without unwanted harshness. It is a simple, high-value chassis upgrade that you feel every time you drive.

Vehicle compatibility

  • Mini F56 3-door hatch, F55 5-door, F54 Clubman
  • 2013 onwards
  • Cooper, Cooper S, Cooper SD, John Cooper Works
  • All engine variants

Note: This listing is for the front section only. The centre brace and rear brace can be added separately to complete the full underbody package.

What is included

  • Front lower chassis reinforcement bar in gloss black anodised T-6061 aluminium
  • New mounting hardware

Installation

Straightforward driveway install using the factory mounting locations. Torque to manufacturer specifications. No cutting and no drilling required.

Professional fitting available at MJ Modifications, Warwickshire. Request a quote: info@mjmodifications.co.uk

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