BMW ECU TUNING — JAPAN
4-Series(Gxx) 420i
ECU Tuning and Pops and Bangs
Engine: B48B20O1 ECU: MG1/8HPxx
Stock
184ps / 300Nm
Tuned
250ps / 470Nm
+66ps/170Nm
Vehicle Specs
| Model (Chassis) | 4-Series(Gxx) 420i |
|---|---|
| Engine | B48B20O1 |
| ECU/TCU | MG1/8HPxx |
| Stock Output | 184ps/300Nm |
| Stage 1 Gain | +66ps/170Nm |
Pricing
Pricing for international customers is provided by individual quote. Tell us your car and what you want it to do.
Available Options
| Pops and Bangs (Burble) | 〇 |
|---|---|
| Speed Limiter Removal | 〇 |
| Cold Start Off | 〇 |
| Auto Start-Stop Off | 〇 |
| Map Switch | 〇 |
| TCU Tuning | 〇 |
Tuning files developed and proven in Japan. Remote tuning available worldwide.
💬 WhatsApp QuoteFor Workshops (Dealer Program)
This model is supported by our dealer-facing remote tuning tools. Workshops interested in offering mbFAST tuning files can get in touch below.
AT
Specifications subject to change. Output gains vary by vehicle condition and fuel.