Give your vehicle the OEM+ treatment.

RacingLine’s OEM+ Performance Software is simply the most effective modification you can make to a modern turbocharged engine.

We take a pretty unique approach. We don’t modify existing software, we take the manufacturers’ philosophy and create a complete new calibration designed from scratch exclusively for each model in perfect harmony with our performance parts.

That’s what makes the OEM+ difference.

OEM+ Treatment
OEM Software

Volvo & VAG Group specialist Birmingham



GRN Motors has been Volvo & VAG Group specialist for over 45 years,  – firmly establishing ourselves industry specialists. We are authorised dealers of Shark Performance, RICA Engineering and are now in partnership with RacingLine.

RacingLine has been developing high quality performance hardware parts for race and road cars for nearly two decades – firmly establishing ourselves as the hardware brand of choice for Volkswagen Group vehicles.  But we aren’t stopping there.

They have been working flat out over the past two years to develop their OEM+ Performance Software. We believe it to be simply the best ECU Software Upgrades and TCU DSG Transmission Software in the market, conceived from a very different approach. By bringing together a full suite of carefully developed software, all matched to work in perfect harmony with our ever-growing range of hardware, we truly believe that RacingLine Performance can offer customers the most complete range of upgrades for their VWG car.