M 3.2 343hp Stage 1 tuning

The BMW Z4 M 3.2 343hp produces 343 hp and 365 Nm as standard. The YASTUNING Stage 1 remap file takes it to 365 hp and 385 Nm, a gain of +22 hp and +20 Nm. Engine code 326S4. ECU: Bosch MSS70, Siemens/Continental MSV70. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.