ECU Remapping Stage 1 & Stage 2 - Custom Performance Car Tuning | Nforcd Warwickshire | Petrol & Diesel | BMW, Audi, VW, Ford, Mercedes

Stage 1 and Stage 2 Engine Software Upgrades | Warwickshire Performance Specialists

Unlock serious performance with MJ Modifications. Our bespoke Stage 1 and Stage 2 engine software delivers stronger torque, crisper throttle response and smooth, usable power across the rev range. Tailored to your vehicle, fuel and supporting hardware, this is precision calibration for petrol and diesel performance enthusiasts who want reliable gains without compromise.

What you get

• Custom-written engine calibration for your exact car and setup
• Noticeably faster acceleration and stronger mid-range pull
• Refined drivability for daily use, spirited road driving and track days
• Throttle and boost control optimised for smooth, consistent delivery
• Safe, sensible tuning parameters with reliability front and centre
• In-house software upgrade at our Warwickshire workshop by experienced technicians

Stage 1 vs Stage 2

Stage 1: Ideal for standard or lightly modified cars. No extra hardware required. Expect a transformative uplift in horsepower and torque with a factory-like driving feel that simply does more everywhere.

Stage 2: Built for vehicles with supporting parts such as a high-flow intake, performance exhaust, sports cat, upgraded intercooler or similar. Calibrated to make the most of those upgrades while maintaining dependable operation.

Who is it for

Perfect for owners of BMW, Audi, Volkswagen, Seat, Skoda, Ford, Mercedes, Mini, Vauxhall, Porsche and many more. Whether you drive a turbocharged petrol or torque-rich diesel, our bespoke engine software upgrade will maximise your platform’s potential.

Why MJ Modifications

• No generic files. Every tune is crafted around your car, mileage, fuel grade and hardware
• Real-world focus. Strong road performance with smooth part-throttle manners
• Proven results. We run these calibrations on our own cars and customers love the transformation
• Local experts. Warwickshire-based workshop serving Coventry, Leamington Spa, Stratford-upon-Avon, Rugby, Nuneaton, Solihull, Banbury and surrounding areas
• Honest advice on suitable supporting mods for the best outcome

What to expect

• Sharper response and stronger pull from low revs
• Broader powerband with confident overtaking performance
• Refined drivability in traffic and on the motorway
• Calibration that respects engine health, emissions equipment and longevity

Get a price and estimated gains

Email your registration number and current modifications for a tailored quote and expected results for your specific vehicle.

Request a quote or book: info@mjmodifications.co.uk

Fitting and installation

All software upgrades are performed in-house by MJ Modifications in Warwickshire. We can also install supporting hardware where required. For scheduling and pricing, contact info@mjmodifications.co.uk.

FAQs

Is it safe? Yes. We calibrate within sensible limits for dependable, repeatable performance. Reliability and drivability are always prioritised.

Do I need hardware for Stage 1? No. Stage 1 is designed for standard vehicles and works brilliantly with light mods.

What does Stage 2 involve? Stage 2 requires appropriate bolt-ons. We will advise the right parts for your model before tuning.

Popular searches our service covers

Engine software upgrade Warwickshire, chip tuning service UK, petrol turbo tuning, diesel torque optimisation, BMW tuning specialists, Audi performance software, Volkswagen power upgrade, Ford turbo calibration, Mercedes diesel torque tune, custom map optimisation, OBD flash tuning, dyno-style road tuning, performance tuning near Coventry, Leamington Spa car tuning, Stratford-upon-Avon tuning garage, Warwickshire performance upgrades.