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Performance Upgrades & ECU Remapping in Buckingham
At MWerx Automotive in, we specialise in performance tuning, ECU remapping and upgrade modifications. Whether you drive a compact car, a performance model or a classic, our expert team can help deliver more power, torque, and driving refinement — all in a safe, reliable way for all makes and models.
Here are some vehicles modified by us

BMW 545i
This supercharged AC Schnitzer beast is pushing 475BHP with the Supercharger kit from a stock 333BHP

BMW 335i
Stage 2+ N54 motor pushing around 500BHP with its xHP Stage 3 gearbox remap. - Upgraded air intake - Straight pipe - Upgraded boost solenoids - 5" Intercooler

Mazda 6 2.2 SkyActiv-D
Simple Stage 1 remap on the Mazda pushing 205BHP and 470Nm.

BMW 545i
This supercharged AC Schnitzer beast is pushing 475BHP with the Supercharger kit from a stock 333BHP
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