Here’s the list of all our tuning files for BMW M3 M3 321hp. They can up its engine’s performance by a few to several dozen percent.

BMW M3 E36 - 1991 - 1998 M3 321hp
Engine ECU
Siemens/Continental MS41 & Siemens/Continental MSS50
Engine Number
326S1
Stage 1
Stage 2
|
Original | After Tuning | Difference |
---|---|---|---|
Power | 321 | 358 | + 37 |
Torque | 350Nm | 388Nm | + 38 |
Price | 130,00 € |
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