November 28, 2017

November 28, 2017

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The Original TCU Flash

November 28, 2017

Thousands of satisfied clients worldwide approve!


It is possible, through the adaptation feature of the software suite to modify the behavior of the transmission to enhance the driving experience while in fully electronic mode (such as “A” or”D”) and modify the following transmission behavior:

  • Substantial reduction in time between gears

  • Increased torque transfer to the wheels resulting lower power loss through the transmission

  • Better throttle response

  • Much smoother transitional behavior of transmission

  • Sportier but also more efficient functionality

In 2011 we were the pioneers in the development of an OBD solution that allows these modifications on modern cars without the need to open ECUs or TCUs, providing a safe, reflashable and portable solution that also gives the user independence from dealer software updates.  The V4.1 flash will allow better throttle response and better transfer of the power to the ground allowing better wheel horsepower and a more efficient operation of the vehicle’s hardware.

The new V4.1 comes as a single very efficient version of the flash, making unnecessary to  have all different versions of the flash as the older product versions such as street or race available before.

After successfully providing thousands of customers worldwide with OBD flashes and helping resolving known driveability problems mostly to the R8 community, we are able to enhance the driving experience to owners of:

  • Audi R8 (all years and models)

  • Audi RS5, RS6 and RS8

  • Mercedes Benz E63 AMG and CLS 63 AMG (2011 and up)

  • Mercedes Benz SLS

  • McLaren MC12-4C

  • McLaren 650

  • Porsche 991 (all models with PDK)

  • Porsche Cayman and Boxster (all models with PDK)

  • Ferrari 458

  • Ferrari 488

  • Ferrari F12

  • Ferrari California

  • Ferrari FF and Lusso

  • Lamborghini Gallardo, LP550, LP570

  • Lamborghini Aventador (stock exhaust)

  • Lamborghini Huracan

The flash comes in a portable flash loader that can be reused up to five times in one specific VIN.

Pulley and Flash kits:


For cars equipped with supercharger from factory, we offer upgrade bundles that increase efficiency and horsepower as well.  products are available for:

  • Land Rover V6 supercharged and V8 Supercharged

  • Jaguar F type S and R

While the supplied pulley needs to be professionally installed, the flash continues to be OBD and in the same concept as with the TCU flash.

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© 2017 by Relevant Research Services LLC d.b.a. German Motoring.