MapworX is a vehicle tuning and diagnostics specialist based at Central Garage in Bitton, conveniently located between Bristol and Bath. Services include ECU remapping, Stage 1 and Stage 2 tuning where suitable, gearbox tuning, professional vehicle diagnostics, fault-code investigation, DPF cleaning and regeneration, ECU and TCU programming, and speed-limiter programming for cars and vans where legally permitted. We provide clear advice, reliable service and tuning solutions matched to each vehicle and customer’s requirements. MapworX serves Bitton, Bristol, Bath, Keynsham and surrounding areas. All work is arranged in advance and carried out by prior appointment only.