Weistec BMW F90 M5 S63TU ECU Tune – Stage 1 and Stage 2 Performance Remap
Unlock serious performance from your BMW F90 M5 with the Weistec S63TU ECU tune. This premium BMW M5 ECU remap delivers stronger power and torque across the entire rev range, with sharper throttle response and exceptional drivability. On a stock car with standard exhaust and turbos, Weistec tuning provides impressive gains, and additional upgrades such as a race exhaust can release even more power. If you are searching for BMW M5 F90 ECU tune, BMW S63TU remap, Weistec tune UK, BMW M5 tuning, or F90 M5 DME tuning, this is the proven solution.
At Nforcd we supply and fit Weistec BMW tuning and have used this calibration on customer F90 M5s with outstanding results. Customers love the instant response, the smooth power delivery, and the way the car pulls hard through every gear. It is exactly what enthusiasts expect from a top-tier BMW M5 ECU tune.
Why choose the Weistec S63TU F90 M5 ECU Tune
- Significant horsepower and torque gains through the full power band
- Improved throttle response and refined drivability
- Optimised fuel, spark and boost strategies for the S63TU engine
- Speed limiter removal for unrestricted Vmax on suitable vehicles
- Options for race vehicles including burble levels, catalyst heating off and cold start delete
- Seamless integration with stock hardware, with even more headroom when paired with supporting mods
Power figures
Weistec quoted figures:
- W.1 Stage 1 – stock vehicle: 705 horsepower, 675 torque
- W.2 Stage 2 – race exhaust fitted: 725 horsepower, 695 torque
Power gains vary based on the model, modifications, fuel and running conditions.
Cypher Handheld | Powered by Weistec
For 2018 and 2019 BMW F90 M5 models only, the optional Cypher handheld allows OBD flashing at home. Swap between tuned files or return to stock in minutes. No need to send in your ECU or DME. Simply add the Cypher option when ordering your tune.
Race vehicle options
- Burble control – Off, Mild or Aggressive for the S63TU
- Catalyst heating disable – ideal for race vehicles with catalysts removed
- Cold start disable – for race vehicles only
Some features are intended strictly for race and off-road vehicles. Check local regulations and compliance requirements.
Compatibility
BMW F90 M5 Saloon with S63TU engine (2016+).
Part numbers
- 05-563-00145-9 – W.1 Stage 1 (Stock Vehicle)
- 05-563-00146-0 – W.2 Stage 2 (Race Exhaust Fitted)
Manufactured by
Weistec
Professional fitting and support
For installation, flashing and setup, we recommend booking with Nforcd in Warwickshire. Email Sales@nforcd.com for a tailored quote and advice on Stage 1 vs Stage 2, burble settings, and supporting modifications for your BMW M5 F90.
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