Here’s the list of all our tuning files for BMW M3 M3 343hp. They can up its engine’s performance by a few to several dozen percent.

BMW M3 E46 - 1998 - 2005 M3 343hp
Engine ECU
Siemens/Continental MSS52
Engine Number
326S4
Stage 1
Stage 2
|
Original | After Tuning | Difference |
---|---|---|---|
Power | 343 | 371 | + 28 |
Torque | 365Nm | 396Nm | + 31 |
Price | 130,00 € |
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