Description
Take your BMW M2, M3, or M4 to the next level with the Weistec Engineering BMW S55 ECU Tune. Designed to deliver unparalleled performance, this tune maximizes power, torque, and throttle response, transforming your driving experience. The Weistec ECU Tune optimizes engine parameters, such as fuel, spark, and boost, to achieve jaw-dropping performance gains of up to +170 HP and +294 TQ, depending on the tuning stage. This advanced calibration ensures smooth, consistent power delivery while preserving everyday drivability.
The Weistec S55 ECU Tune is available in two stages:
- Stage W.1: Up to +121 HP and +269 TQ
- Stage W.2: Up to +170 HP and +294 TQ
Beyond sheer power, Weistec offers customization options tailored for race applications. The Burble Control feature allows drivers to choose between "Off," "Mild," or "Aggressive" exhaust burble for a sportier sound. Additionally, the Catalyst Heating Disable option eliminates unnecessary cold start noise, ideal for race builds where catalysts have been removed.
The optional Cypher Tool enables users to flash their ECU without sending it in. This tool provides the ability to swap tunes or revert to the factory tune within minutes. While most models can be tuned via the OBD2 port, some 2019+ models and all 2020 models require bench flashing.
Weistec’s advanced ECU calibration improves throttle response, optimizes air-fuel ratios, and refines the driving experience for an enhanced sense of control. It also removes speed limiters, unlocking the true potential of your BMW S55 engine. With Weistec's S55 Tune, expect relentless acceleration, sharper throttle response, and a significant boost in performance that elevates your BMW driving experience.
Key Features:
- Unmatched Power Gains – Achieve up to +170 HP and +294 TQ, depending on the tuning stage.
- Customizable Burble Control – Choose from "Off," "Mild," or "Aggressive" burble settings for a personalized exhaust tone (for race vehicles only).
- Cold Start Catalyst Heating Disable – Eliminate unnecessary noise during cold starts when catalysts are removed (for race vehicles only).
- Optimized Throttle Response – Experience sharper, more precise throttle control for an exhilarating drive.
- Improved Fuel, Spark, and Boost Control – Fine-tuned parameters for better engine efficiency and power delivery.
- Optional Cypher Tool – Flash your ECU at home via the OBD2 port (select models) or revert to stock within minutes.
- Speed Limiter Removal – Unleash the unrestricted top speed of your BMW.
Fitment:
- BMW M2 CS (2020) – 6MT & 7AT (F87)
- BMW M2 Competition (2018-2021) – 6MT & 7AT (F87)
- BMW M3 (2014-2019) – 6MT & 7AT (F80)
- BMW M3 CS (2018) – 7AT (F80)
- BMW M3 Competition (2016-2019) – 6MT & 7AT (F80)
- BMW M4 (2014-2019) – 6MT & 7AT (F82/F83)
- BMW M4 CS (2018-2020) – 7AT (F82)
- BMW M4 Competition (2016-2019) – 6MT & 7AT (F82)
- BMW M4 GTS (2016-2017) – 7AT (F82)
Elevate your BMW’s performance with the Weistec Engineering S55 ECU Tune, blending precision, power, and customization.
ECU Tuning Process: How do I get my ECU tuned?
