Radek Wo
Aug 2026
Really happy with the remap done on my car, polite, efficient service and would highly recommended…
Posted on Google · view on our Google profileBMW M550d xDrive F10/F11 ECU Remapping
Stage 1 £499
Get my quote →The BMW M550d xDrive F10/F11 (2012 to 2017) leaves the factory with 381 PS and 740 Nm from its 3.0 diesel engine. Our Stage 1 estimate takes it to 435 PS and 800 Nm, roughly 14% more power and 8% more torque.
BMW
ECU confirmed on inspection
M550d xDrive
F10/F11 · 3.0
Stage 1 estimate
435 PS
STX Tuning
Stage 1 price
£499
Stage 1 ECU remap
Estimated gain
+54 PS · +60 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.
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