MMR Performance Director Max Marshall was born with Racing in his blood. From a young age Max honed his driving skills on his families old air field,  which gave Max his need for speed.


Max then went on to compete in the British Formula Ford Championship and then moved on into the British Formula 3 Championship. With numerous accolades including wins and multiple podium finishes.


Competing and sharing podiums with the likes of the 2017 BTCC Champion Ash Sutton. Max is no stranger to the race track or what is needed to produce race winning cars. In 2015 Max embarked on creating one of the most desirable BMW E30 Drift Cars “Betty”. Betty was awarded one of the Top 5 Cars at the 2015 Autosport International Show by


Putting his experience to good use, Max has now turned his attention to offering race like performance for the road. Working with World Renowned Brands as well as developing our own products, we are able to cater for most of your tuning requirements, with the back up of our racing heritage.


MMR Performance have developed our own line of products that enhance the feel and power of your vehicle. Including MMR+ Software, MMR Performance Gear Shift Paddles and MMR Performance Intercoolers, so far.


Not only do we cater for BMW Vehicles, we have teamed up with Racingline Performance (Volkswagen Racing) to become a Master Distributor for their OEM+ Software and all the Racingline Performance hardware for the Volkwagen Audi Group Range of vehicles.


To complement Betty our Flagship Track Going E30, we have a range of road going Demo Vehicles which all showcase the MMR Performance Products including a BMW 1M, BMW M4 GTS and an our very own Racingline Performance Audi S3.


Whether you are looking for an informative dynamometer reading or a complete custom software calibration; our team of Master Calibrators are equipped with the knowledge, experience and toolset to ensure an impressive outcome every time without compromising the reliability of your vehicle.


The MMR Performance team have been developing and perfecting engine management recalibration software for many years. This experience and knowledge allows the team at MMR Performance to unlock the ultimate results from your vehicle with our MMR+ Software. We ensure that you will receive a professional and hassle-free service. Here at MMR Performance we take customer satisfaction very seriously and have made it our number one priority from when we started the business.


Whether you are looking to gain more power or driveability from your vehicle or maybe increase the vehicles miles per gallon, our team of expert engineers are on hand to help and advise on which of our products are suitable for your vehicle and which will make the best improvements for what you are looking to achieve.



MMR Performance provides a specialist performance tuning and remapping service for BMW and VAG (Volkswagen Audi Group) vehicles. Operating from our premises at Bruntingthorpe Proving Ground, MMR Performance has the unique advantage of access to a testing facility for vehicles on a private track. Just metres from our workshop we have a two mile runway at our disposal, allowing us opportunity to develop and test the products we sell in different disciplines and for our team to road test your vehicle in the safest of environments.


Offering the highest quality parts at prices to suit all budgets, we can tailor our services and packages to meet your needs. Working closely with our suppliers, we keep up to date with the latest product releases and can therefore offer advice and support on the best options for any project, whether it be a fast road/ track or race car or an immaculate eye catching show car. We try and test as many of our suppliers products on our own MMR Performance demo cars, to make sure we are satisfied that they are the best options available, whether it be road or race.


Centrally located in Leicestershire, our purpose-built workshop is well connected to most areas of the UK via the A14, A5 and the M6 and M1 motorways. 

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