Dumitru Gheorghita
Nov 2025
Really happy with the remap done on my car, polite, efficient service and would highly recommended
Posted on Google · view on our Google profileBMW M6 F06/F12/F13 ECU Remapping
Stage 1 £499
Get my quote →The BMW M6 F06/F12/F13 (2012 to 2018) leaves the factory with 560 PS and 680 Nm from its 4.4 petrol engine. Our Stage 1 estimate takes it to 650 PS and 800 Nm, roughly 16% more power and 18% more torque.
BMW
ECU confirmed on inspection
M6
F06/F12/F13 · 4.4
Stage 1 estimate
650 PS
STX Tuning
Stage 1 price
£499
Stage 1 ECU remap
Estimated gain
+90 PS · +120 Nm
Power
Torque
Figures are STX Tuning estimates for a healthy standard car, not a dyno result for your vehicle. Power is shown in PS. These are existing vehicle library estimates, not independently measured results.
WhatsApp STX TuningWhat we do
From Stage 1 and Stage 2 ECU remapping to gearbox tuning and supporting performance upgrades, STX Tuning offers specialist vehicle software and tuning services for compatible petrol and diesel cars and vans.
Explore the available options for your exact vehicle at our Slough workshop, with suitable mobile ECU remapping appointments available across selected surrounding areas.
Not sure which tuning service you need?
Tell us what you drive and what you'd like to achieve. We'll check your vehicle and help you explore the available options.
4.9/5 | 500+ Google ReviewsGoogle Customer Reviews
See what customers say about their experience with STX Tuning.
Google Reviews
4.9
535 Google Reviews