From 340 hp to about 380 hp: the BMW X3 M40d 340hp (G01/08 LCI – 2021 – 2024) becomes noticeably stronger and more responsive with Stage 1 software. Torque climbs from 700 Nm to about 750 Nm.

This is a mild-hybrid diesel engine with a displacement of 2,993 cc and engine code B57D30B. The engine is controlled by the Bosch MD1CP032. The software file can be written with tools such as Autotuner.

Frequently asked questions

How much power and torque does a BMW X3 M40d 340hp gain with Stage 1?

About 40 hp and 50 Nm: from 340 hp / 700 Nm to roughly 380 hp / 750 Nm. The exact gain depends on engine condition and fuel quality.

Which ECU does a BMW X3 M40d 340hp use?

Bosch MD1CP032.

Which tools can read a BMW X3 M40d 340hp?

Autotuner.

Figures are indicative and vehicle specific. Check the regulations that apply in your country before modifying engine software.