Racing Dynamics WA, the trusted Western Australia partner of Evolve Technik, recently worked its tuning magic on a BMW 540i equipped with the B58 engine. Utilising a Stage 2 package, including ECU & TCU remaps and premium performance hardware. Tthe results on the dyno were nothing short of remarkable.
🛠️ Modifications & Upgrades
- Stage 2 ECU remap – optimised to extract maximum performance from the B58 engine.
- TCU upgrade – ensures sharper, faster and smoother gear changes.
- Brondex Sports Downpipe – significantly improved flow and turbo response.
- BMC high‑flow air filter – enhances airflow for better engine breathing.
📊 Dyno Results
| State | Power (hp @ wheels) | Torque (Nm @ wheels) |
|---|---|---|
| Stock (BMC filter only) | 267.8 hp (200 kW) | 392.7 Nm |
| Stage 2 + Brondex DP + BMC | 366.3 hp (273 kW) | 528.8 Nm |
Power gain: +98.5 hp (73 kW) at the wheels (+37%).
Torque gain: +136.1 Nm at the wheels (+34%).
Dyno sheet: BMW 540i B58 before (stock) and after Stage 2 tuning.
💡 On‑Road Performance
- Mid‑range punch: Ideal for overtaking without excessive turbo lag.
- Smooth, responsive shifts: The TCU tune delivers crisp and timely gear changes.
- Improved throttle response: Thanks to the combination of downpipe and BMC filter.
- Reliability‑focused: The tune is engineered to balance performance with long‑term engine health.
🚦 Why This Matters
The B58 engine is already impressive in stock form, but this Stage 2 tune takes it to a new level of driving excitement. With over 130 Nm more torque, the 540i now offers effortless cruising and dynamic acceleration, all without pushing the engine to its limits. It’s the perfect balance for spirited drives or daily commuting in WA.
🏁 Final Word
Thanks to the collaboration between Racing Dynamics WA and Evolve Technik, the BMW 540i B58 has achieved outstanding performance gains while maintaining excellent driveability and reliability. If you’re in Western Australia and seeking serious improvements with full peace of mind, contact Racing Dynamics WA today and unlock the true potential of your BMW.
Want more details on the build, or curious about post‑tune maintenance and support? Get in touch.