About M4 PERFORMANCE
M4 Performance is a tuning company in northern Poland offering Stage 1–3 chip tuning, mechanical modifications and power measurement on a 4x4 load dynamometer. Services include computer diagnostics, engine mapping on factory and standalone ECUs such as Ecumaster and MoTeC, sports exhausts, and motorsport engine and interior wiring. The workshop also carries out DPF, FAP, EGR, AdBlue and catalyst work.
Services and facilities
Servicing and repairs
- Diagnostics
Specialist engineering
- Engine specialist
- Exhaust specialist
- Electronics and standalone specialist
Vehicle modification and tuning
- ECU remapping
Motorsport
- Track and race preparation
Workshop equipment
- 2WD dyno
- 4WD dyno
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