BMW 3 serie 323i 170hp chiptuning
E46 (1998–2005) · Petrol · ECU: Bosch ME9 / Siemens/Continental MS43 / Siemens/Continental MS41 / Bosch ME9 / Siemens/Continental MS42
Stage 1: +15 hp & +20 Nm
Engine ECU
Read methods
Available options
With an individually developed Stage 1 tuning file, the BMW 3 serie 323i 170hp with 170 hp and 245 Nm gets 185 hp and 265 Nm – an increase of +15 hp (9%) and +20 Nm. The file is created by our tuning engineers for your exact software version on the Bosch ME9 / Siemens/Continental MS43 / Siemens/Continental MS41 / Bosch ME9 / Siemens/Continental MS42 ECU and is delivered via our file service portal in 5–15 minutes. Options such as DECAT, DTC Removal, FLAPS, Pop & Bang Crackle map can be combined in the same file.
Values are guide values from our dyno and comparable vehicles. Actual results depend on condition, hardware and fuel quality. Use only where legally permitted.
Technical data
| Fuel | Petrol |
| Displacement | 2494 CC |
| Compression ratio | 10.5 : 1 |
| Bore × stroke | 84.0 X 75.0 mm |
| Engine code | M52TUB25 |
Other engines: BMW 3 serie E46 (1998–2005)
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