BMW E46 M3 2004 252.3 kW Siemens HW 5WK9321 SW MSS54 Stage1 version 2

BMW E46 M3 2004 252.3 kW Siemens HW 5WK9321 SW MSS54 Stage1 version 2

Ready-to-use ECU tuning file (Stage1) for BMW E46 M3 2004 with Siemens engine control unit, hardware number 5WK9321 and software number MSS54. The package contains the original (stock) ECU file and the modified file, so you can compare them and always return to the factory state.

ECU and vehicle data

Files in this package

• BMW_E46_M3_2004____252.3KWKW_Siemens_5WK9321_Siemens_MSS54__E21F.Original (256 KB) – original (stock) file
• BMW_E46_M3_2004____252.3KWKW_Siemens_5WK9321_Siemens_MSS54__F14B.Stage1 (256 KB)

Before you buy

Check that the hardware (HW) and software (SW) number of your ECU match the numbers above. The file is written for exactly this software version. Use a professional ECU tool to read and write the file and make a full backup of your original ECU first. Recommended for experienced tuners and workshops.

Delivery

After payment you receive a download link (ZIP archive) by email.

Note: This product is sent to the email address you provide with your order (digital delivery, no physical shipment). In case of any problem, contact us at prodaja@fromserbia.rs.