Rimappatura BMW 3 serie 323i 170HP 1884
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BMW 3 serie

BMW 3 serie 323i 170HP 1884

Fuel Type
Benzina
Original Power
170 hp
Original Torque
245 Nm
Generation
E46 - 1998 - 2005

Technical Specifications

Engine Code
M52TUB25
ECU Type
Bosch ME9 / Siemens/Continental MS43 / Siemens/Continental MS41 / Bosch ME9 / Siemens/Continental MS
Compression Ratio
10.5:1
Alesaggio x Corsa
84.0 X 75.0 mm

Power hp

Original
170hp
Modified
185hp
Difference
+15hp

Torque Nm

Original
245Nm
Modified
265Nm
Difference
+20Nm

Power Graph

Power after remapping 185hp
Torque after remapping 265Nm

BMW 3 serie 323i 170HP 1884: da 170 a 185HP

 
Original
Modified
Difference
hp
170hp
185hp
+15hp
Nm
245Nm
265Nm
+20Nm

Remapping BMW 3 serie

MasterTuning is a leader in developing remapping for BMW. La BMW 3 serie 323i 170HP 1884 può passare da 170 HP a 185 HP con un incremento di 15 HP.

The development of each remap is customized by MasterTuning.

  • 100% tested and customized files guarantee
  • Tested and developed on a 4x4 dyno
  • Best performance, within safety margins
  • Reduced fuel consumption

ECU Remapping Details BMW 3 serie 323i 170HP 1884

The BMW 3 serie 323i 170HP 1884 is equipped with a petrol engine that produces 170 HP and 245 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this BMW can achieve 185 HP (+9%) and 265 Nm (+8%).

Our Stage 1 tuning for the 3 serie E46 - 1998 - 2005 delivers an impressive gain of +15 HP and +20 Nm, optimizing the petrol engine's performance while maintaining reliability and staying within safe parameters.

The engine code M52TUB25 identifies this specific powerplant configuration. The Bosch ME9 / Siemens/Continental MS43 / Siemens/Continental MS41 / Bosch ME9 / Siemens/Continental MS ECU is professionally recalibrated to unlock hidden potential while preserving engine longevity.

The 3 serie's petrol engine benefits significantly from professional ECU calibration. The result is a more responsive, enjoyable driving experience with improved power delivery throughout the rev range.

Technical Specifications — BMW 3 serie 323i 170HP 1884

Factory technical data for the BMW 3 serie 323i 170HP 1884 (E46 - 1998 - 2005), used by MasterTuning engineers to develop a tailored, dyno-tested remap for this specific powerplant.

Engine codeM52TUB25
ECU / Control unitBosch ME9 / Siemens/Continental MS43 / Siemens/Continental MS41 / Bosch ME9 / Siemens/Continental MS
FuelBenzina
Compression ratio10.5
Bore × stroke84.0 X 75.0 mm
Stock power170 HP · 245 Nm
Remapped power (Stage 1)185 HP (+15) · 265 Nm (+20)

Frequently Asked Questions - BMW 3 serie

How much power can I gain from remapping my BMW 3 serie?

With MasterTuning Stage 1, your BMW 3 serie 323i 170HP 1884 can gain +15 HP (from 170 to 185 HP) and +20 Nm of torque. This represents a 9% increase in power.

Is ECU remapping safe for the BMW 3 serie engine?

Yes, MasterTuning's remapping for the BMW 3 serie 323i 170HP 1884 is developed within safe parameters. All calibrations are tested on our 4x4 dyno and stay within the mechanical limits of the M52TUB25 engine.

Is the BMW ECU remapping reversible?

Absolutely. The original factory calibration of your BMW 3 serie is always backed up before remapping. The process is 100% reversible at any time.

Will remapping affect my BMW warranty?

ECU remapping may affect your manufacturer warranty. We recommend checking your specific warranty terms. Many of our customers choose to remap after the warranty period or accept this trade-off for the significant performance gains.

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BMW 3 serie 323i 170HP 1884
Benzina Bosch ME9 / Siemens/Continental MS43 / Siemens/Continental MS41 / Bosch ME9 / Siemens/Continental MS
Originale
170 HP
245 Nm
Stage 1
185 HP
265 Nm
+15 HP / +20 Nm
Stage 1
+15 HP / +20 Nm
Consigliato
2 Year Warranty
100% Reversible
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BMW 3 serie 323i 170HP 1884 185 HP (+15 HP / +20 Nm)
BMW 3 serie 323i 170HP 1884
170 HP / 245 Nm 185 HP / 265 Nm
+15 HP / +20 Nm

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BMW 3 serie 323i 170HP 1884

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