ORIGINAL / FACTORY Petrol M3 343hp

BMW E46 M3 2004 252.3KW Siemens MSS54 Original

080160240320 1000200030004000500060007000 343 HP +0 365 Nm +0 HP Nm RPM 0100200300400
Stock Original / Factory HP / Nm projection
343 HP Factory calibration
Stock backup file — 365 Nm · Petrol

Calibrated ECU file for . Checksum-corrected, ready to flash. Delivered instantly via secure download after payment.

16,293 calibration files in catalog · 9,693 engines · 400+ ECU platforms · Engineering since 2012 · WhatsApp support · < 30 min first response
Performance Projection Engine #1271 · Gains DB
MATCHED ENGINE M3 343hp 326S4 3.2L Petrol Factory
080160240320 1000200030004000500060007000 343 HP +0 365 Nm +0 HP Nm RPM 0100200300400
Stock Factory HP (left) · Nm (right) · Curve shape typical for this ECU family
Real data from Gains API Dyno curve = typical ECU-family projection Final gains depend on fuel, altitude, wear
ECU SpecificationFactory values
Vehicle BMW E46 M3 2004 252.3KW
Engine power 252.3 kW (~343 HP)
ECU brand Siemens
ECU hardware MSS54
Tuning type Original

This product contains a complete original ECU backup (stock file) for BMW E46 M3 2004 252.3KW with Siemens MSS54. This original file corresponds to a factory engine output of approximately 252.3 kW (~343 HP). This file is ideal for ECU cloning, restoring the car back to stock and using it as a safe base for future remaps.

All ECU tuning files from TUNING-DATABASE are prepared for professional use. They are useful whenever you search by ECU ID, hardware or software number such as MSS54. Use this file for diagnostics, cloning, recovery or as a base for custom remapping.

SHA-256 fingerprintB989FB01 1ED9B054 4AA2182E 1ACC3870 F9307A6F 7DBCC087 DE18153A 9707A8AA

Same engine — other calibrations

Alternative stages for the same ECU: BMW family