BMW

BMW 5 serie E60/61 - 2003 - 2010 523i 177hp

PetrolCode: N52B25A2487 ccPremium fuel

Performance

Stock vs tuned

All gains based on tested files written by professional calibrators.

Stock

177hp
230nm

Stage 1

194hp+17
250nm+20

Stage 2

Not available for this engine.

Power and torque

Peak figures from our records. Curve shape is modelled, not a dyno trace.

Extra options

Pop & Bang Crackle mapVmaxDTC RemovalDECATFLAPS

ECU

Compatible ECUs

Siemens/Continental MSV70

Manufacturer: Siemens/Continental

Type: MSV70

Siemens/Continental MSV80

Manufacturer: Siemens/Continental

Type: MSV80

Siemens/Continental MSD80

Manufacturer: Siemens/Continental

Type: MSD80

Siemens/Continental MSD81

Manufacturer: Siemens/Continental

Type: MSD81

Specifications

Technical data

Displacement
2487 cc
Engine code
N52B25A
Bore
82.00 mm
Stroke
78.80 mm
Compression
11.00
Turbo type
Fuel
Petrol
Premium fuel
Required

Tuning file for BMW 5 serie E60/61 - 2003 - 2010 523i 177hp

ECU tuning files for the BMW 5 serie E60/61 - 2003 - 2010 523i 177hp are written and tested by professional calibrators. Each chiptuning file (Stage 1, Stage 2 and additional services like DPF OFF, EGR OFF and AdBlue removal) is programmed using the latest software and validated through years of remapping experience on the BMW 5 serie platform.

Bee Chiptuning specializes in custom ECU remapping for BMW vehicles. Every tuning file we deliver is designed for the best performance gains with a real safe margin remap that respects the limits of your hardware. Whether you want more horsepower, more torque, improved throttle response or better fuel economy, our dyno-tested calibrations deliver consistent and repeatable results on the 523i 177hp.

Our benefits

  • Files written by professional calibrators
  • Dyno-tested before delivery
  • Stage 1 and Stage 2 calibrations
  • Delivered in less than an hour
  • Direct support via WhatsApp

Ready to tune?

Sign up and upload your original file.

You'll receive a tested ECU file for this exact engine in less than an hour. Free credit on registration, no card needed.