STAGE 1 Petrol M3 343hp

BMW E46 M3 2001 Benzin 252.3KW Siemens

BMW E46 M3 2001 Benzin 252.3KW Siemens 7837805 Siemens 2001 Stage1
090180270360 1000200030004000500060007000 365 HP +22 390 Nm +25 HP Nm RPM 0100200300400
Stock Stage 1 HP / Nm projection
343 365 HP
+22 HP +25 Nm 6% more power

Calibrated ECU file for (SW 7837805). 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 Stage 1
090180270360 1000200030004000500060007000 365 HP +22 390 Nm +25 HP Nm RPM 0100200300400
Stock Stage 1 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 2001 Benzin 252.3KW
Engine power 252.3 kW (~343 HP)
Fuel type Petrol
ECU brand Siemens
ECU hardware 7837805
Tuning type Stage1
Read method / notes Siemens 2001

This product contains a calibrated Stage1 tuning file for BMW E46 M3 2001 Benzin 252.3KW with Siemens 7837805. The base stock vehicle for this calibration has a factory output of around 252.3 kW (~343 HP). This Stage 1 calibration is designed for stock hardware, offering a safe and reliable increase in power and torque for daily use.

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 7837805. Use this file for diagnostics, cloning, recovery or as a base for custom remapping.

SHA-256 fingerprintDBA51351 EB096C16 792BD16C C2D12B6B 6F539B46 A1FD919C 7C62F8A2 8F4487C4

Same engine — other calibrations

Alternative stages for the same ECU: BMW family