About MMR Performance

MMR Performance products have been designed and developed in the UK with passion by enthusiasts, for enthusiasts. All of their products are created in the world’s toughest development lab. MMR have an extensive range of BMW and MINI upgrades offer unrivalled quality, performance and reliability worldwide; furthermore, every product carrying the MMR logo is thoroughly durability tested both on the road and track, so you can have complete peace of mind that you’re installing only the best quality products to unlock the true performance potential from your car.

 

 

  • Take control this July with up to 15% OFF the full Whiteline range. Including performance suspension, handling kits, and chassis upgrades, Whiteline helps you unlock sharper handling and ultimate grip.

    Discount has automatically been applied to all Whiteline products, simply browse, checkout and enjoy! Hurry, sale ends Monday July 28th @ 11:59pm.

    CLICK HERE TO BROWSE THE WHITELINE GRIP FRENZY JULY SALE!

  • GET 10% OFF TEIN THIS JULY!

    Take 10% off all TEIN suspension products this July at Part-Box.com! Whether you’re fine-tuning your daily driver or dialing in your track setup, now’s the perfect time to upgrade. No code needed—discount applied at checkout.

    Offer ends July 31st. Don’t sleep on smoother, sharper handling.

    CLICK HERE TO SHOP TEIN JULY SALE!

  • Get 10% off EBC Brakes this month!

    Upgrade your stopping power with 10% off all EBC Brakes this July at Part-Box.com! From performance pads to high-performance rotors, EBC has you covered for road, track, or off-road.

    No code required—discount applied automatically at checkout. Hurry, offer ends July 31st. Drive harder, brake smarter!

    CLICK HERE TO SHOP EBC BRAKES JULY SALE!

  • 10% off the DeatschWerks range – this July only!

    Fuel your performance with 10% off all DeatschWerks products this July at Part-Box.com! From high-flow fuel injectors to reliable fuel pumps, DeatschWerks delivers the power and precision serious builds demand.

    No code needed—discount applied at checkout. Offer ends July 31st. Don’t miss out on peak fuel performance!

    CLICK HERE TO SHOP DEATSCHWERKS JULY SALE!

  • GET 10% OFF – SIGN UP TO OUR MAILING LIST!

    Subscribe to our mailing list to receive our weekly newsletters and be the first to know about new products, exclusive sales & promotions and news from the Part-Box Team.

    When you sign-up you’ll get a 10% off coupon code to use on your next order. T&C’s apply, see e-mail upon signing up for more details.

    CLICK HERE TO SIGN-UP TO OUR NEWSLETTER AND GET 10% OFF!

  • We have been RAYS master distributors for almost two decades and there is no one else in the UK who can match our expertise and contacts.

    CLICK HERE TO VISIT THE RAYS WHEELS UK WEBSITE

  • Here at Part-Box.com we’re bringing you the ultimate Clearance Sale with up to 80% OFF on premium performance car parts!

    Don’t miss out on this incredible opportunity to grab top-quality products at the lowest prices of the year. Stock is limited, so shop today and save big before it’s late!

    CLICK HERE TO SHOP JULY 2025 CLEARANCE SALE

  • Free Delivery on £100+ Retail orders

  • Over 35+ Years Experience

  • Exclusive Leading Brands

  • Huge Warehouse Stock

Latest News

News

Maximise Your Build: Kelford Cams Solutions for Honda B-Series Engines

The Honda B-Series engine has been a game-changer in the world of performance and tuning, earning legendary status

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Turbosmart Download Your Ford Direct Fitment Guide (2025)

The Turbosmart Ford Direct Fitment Guide (2025) is the ultimate reference for EcoBoost enthusiasts seeking easy, bolt-on upgrades.

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Turbosmart Download Your BMW Direct Fitment Guide (2025)

Upgrade your BMW's turbo system with the Turbosmart BMW Direct Fitment Guide (2025)—the ultimate resource for seamless, bolt-on

General Products

New Product Release: Scorpion 5″ Turbo Downpipes Now Available for Toyota Supra A90 GPF

Give your Supra A90 GPF-model the performance boost you're after with new 5" turbo downpipe options from Scorpion

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Turbosmart Download Your VW Direct Fitment Guide (2025)

The Turbosmart VW Direct Fitment Guide (2025) cuts through the clutter, spotlighting tailor-made, bolt-on turbo components engineered specifically

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Turbosmart Download Your Import Direct Fitment Guide (2025)

The Turbosmart Import Direct Fitment Guide (2025) is your go-to resource to identify bolt-on performance upgrades for popular

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Pipercross: Why you should stock our Panel Plus Filters

Designed for Modern Performance Models Pipercross Plus filters features a hybrid, bespoke filtration multi-laminate foam to achieve the optimal

Product News

Dodson Hyundai Superstock 6 Clutch Kit – Now available on Part-Box

Dodson the world leader in aftermarket dual clutch transmission components, Dodson are committed to provide customers with the

General Products
Product News

Introducing the Updated Pipercross C9000 Filter Cleaning Kit

Pipercross well-renowned C9000 Air Filter Cleaning Kit that is in stock at Part-Box has an all new design,

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Dodson R35 GT-R Performance Axle Kit

Dodson are thrilled to release the R35 GT-R Axle Kit, developed by the same team behind the world's

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Product News

Whiteline – Download Your Ultimate Suspension Tuning Guide

Are you looking to enhance your car’s handling, reduce body roll, and optimise grip for street or track performance? Whether

General Products

Dodson GR6 Heavy-Duty Output Shaft Update

Dodson's GR6 Heavy Duty Output Shaft is available to replace the OE output shaft that has a well

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Part-Box Customer Reviews

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