Here’s the list of all our tuning files for BMW M3 M3 420hp. They can up its engine’s performance by a few to several dozen percent.

BMW M3 E90 - 2005 - 2011 M3 420hp
Engine ECU
Siemens/Continental MSS60
Engine Number
S65B40A
|
Stage 1
Stage 2
|
Original | After Tuning | Difference |
|---|---|---|---|
| Power | 420 | 453 | + 33 |
| Torque | 400Nm | 442Nm | + 42 |
| Price | 130,00 € | ||
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