In House Remapping

Carwurx are authorised agents for BHP-UK and as such can offer a whole host of bespoke ECU remapping products. We can remap your petrol or diesel vehicle for power increase, or we can remap your diesel for economy. All remaps unleash hidden potential in your vehicle giving significant increases in power or reductions in running costs.

Do you run a fleet of cars or vans? Ask about our fleet remapping deals


ECU Remapping? How does an ECU (Engine Control Unit) work?

ECU Remapping is the process used to tailor the common functions set out within a vehicle’s ECU. An ECU is programmed by car manufacturers to control the engine’s functions & therefore all ECU’s need to be programmed with alot of tolerance. Car manufacturers need to take this precaution as they have to cater for the diverse number of markets that their vehicle may end up in. The ECU needs to cover the levels of neglect some vehicle owners show their vehicle engine, in terms of servicing & upkeeping.

The ECU also needs to be prepared for poor fuel quality, which is common in third world and poorer countries. There is also an incentive to down-tune vehicle engines (car performance), in order to make them fit into specific market and even, insurance categories. This means that more often than not a ‘lower’ model is in fact, just a down-tuned ‘higher’ model, with exactly the same engine in both. Without these ‘down-tuned models’, manufacturers would struggle to have vehicles for each category.

Therefore, this means that these manufacturers have to come up with a compromise for all these factors and achieve this by having different versions of the same engine – the lower vehicle models are ideal for: third world and/or countries with more stringent emission rules and different market categories and higher vehicle models are ideal for: people looking for higher vehicle performance and car tuning, for use in countries where the fuel quality is high. Confused? Don’t be…Call us & we’ll explain in more detail!


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Carwurx Garage Services
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Carwurx Garage Services Ltd

Unit 50 Aire Place Mills

Washington Street
 (off Kirkstall Road)





Tel:      0113 2430663

Mobile: 07545 601447

Opening times

Mon   7:30am-6:30pm

Tue    7:30am-6:30pm

Wed   7:30am-6:30pm

Thu    7:30am-6:30pm

Fri      7:30am-6:30pm

Sat     8:30am-3:00pm


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