BMW

BMW Z4 E85 - 2003 - 2008 2.5si 218hp

PetrolCode: N52B25A2497 ccPremium fuel

Performance

Stock vs tuned

All gains based on tested files written by professional calibrators.

Stock

218hp
250nm

Stage 1

235hp+17
270nm+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 ECU

Siemens/Continental MSV70

Manufacturer: Siemens/Continental

Type: MSV70

Specifications

Technical data

Displacement
2497 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 Z4 E85 - 2003 - 2008 2.5si 218hp

ECU tuning files for the BMW Z4 E85 - 2003 - 2008 2.5si 218hp 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 Z4 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 2.5si 218hp.

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.