TRM MS43 Custom Software


SKU: 030-5401 Categories: , , , , ,


To get the most out of your (E46) 325, 330, (E39) 525, or 530. (MS43 equipped M54.)

We also offer off the shelf tunes for most standard applications.

Ideal for tuning for special cams or forced induction.

ECU can be shipped to us for programming or we can use the TRM Flashing Tool to flash your Car/ECU remotely if you have a KDCAN cable. A flashed ECU is also available if you select “buy an ecu”, though subject to availability. Email first if you would like an ECU provided to inquire about timeline for shipping.


Additional information

Weight .5 lbs
Dimensions 8 × 6 × 2 in






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