Tuned in partnership with Tom Wrigley Performance

BMW M240i G42 Tuning UK

Stage 1 and Stage 2 tuning packages for the BMW G42 M240i, with software by Tom Wrigley Performance. Every package includes the ECU unlock and a gearbox tune, and we can fit your hardware at R44 HQ in Wembley, London.

BMW M240i G42
Engine
3.0-litre turbocharged straight-six (B58)
Packages from
£2,649.99

G42 M240i tuning stages

Stage 1

Up to 400 hp and 660 Nm at the wheels. Software-only tune for a standard G42 M240i. Includes ECU unlock and gearbox tune.

Hardware required: None — software only

From £2,649.99

Includes Stage 1 software, ECU Unlock, Gearbox Tune

Start with Stage 1

Stage 2

Up to 500 bhp and 715 Nm at the wheels. Our recommended setup. Requires upgraded downpipes and an OPF-delete midpipe; add a high-flow air filter or intake for further gains.

Hardware required: Downpipes, midpipes

From £2,649.99

Includes Stage 2 software, ECU Unlock, Gearbox Tune

Start with Stage 2

Build your G42 M240i tuning package

    Two ways to get your car tuned

    Drop off at R44 HQ — Wembley, London

    We fit all your hardware at R44 HQ, transport your car to Tom Wrigley Performance for tuning, then bring it back to us for collection. Transport to and from TWP is £500, and hardware fitting labour is quoted separately after you order.

    Drop off at TWP — Oswestry

    Take your car straight to Tom Wrigley Performance in Oswestry. The hardware you buy from R44 is fitted there and your car is tuned on site. Hardware fitting labour is quoted separately after you order.

    BMW M240i G42 tuning in the UK

    R44 Performance and Tom Wrigley Performance have put together complete tuning packages for the G42 M240i. You choose your hardware, we match the right software stage, and every package includes the ECU unlock and a gearbox (TCU) tune.

    Stage 1

    Software only, for a standard car: up to 400 hp and 660 Nm at the wheels.

    Stage 2

    Up to 500 bhp and 715 Nm at the wheels. Requires an upgraded downpipe (Milltek or SLN Performance) and the Scorpion OPF-delete midpipe. A K&N high-flow filter or MST intake adds further gains.

    Two ways to get your car tuned

    Drop your car at R44 HQ in Wembley and we'll fit your hardware and handle transport to and from Tom Wrigley Performance in Oswestry. Or take it straight to Tom Wrigley Performance, where your hardware is fitted and the car is tuned on site.

    G42 M240i tuning FAQs

    What's included in a G42 M240i tuning package?
    Every package includes the ECU unlock, Tom Wrigley Performance software for your chosen stage and a gearbox (TCU) tune. You then add any hardware you want fitted, and choose where to drop your car off.
    What's the difference between Stage 1 and Stage 2 on the M240i?
    Stage 1 is software only and works on a standard car. Stage 2 needs upgraded downpipes and an OPF-delete midpipe. A high-flow air filter or intake gives extra gains on top.
    Where do I drop my car off?
    You can drop your car at R44 Performance HQ in Wembley, London. We fit your hardware, transport the car to Tom Wrigley Performance in Oswestry for tuning and bring it back to us for collection. Or you can take it straight to Tom Wrigley Performance in Oswestry, where your hardware is fitted and the car is tuned on site.
    Is fitting included in the price?
    Hardware fitting labour is quoted separately. Once you've ordered, we'll contact you to confirm the labour cost and book your drop-off date.
    I already have some parts fitted. Can I still order?
    Yes. Choose 'Already fitted to my car' on any hardware step and the configurator will match the right stage for your setup.
    Are midpipes and downpipes road legal in the UK?
    In the UK, midpipes are not road legal if they remove a secondary catalytic converter or petrol particulate filter (OPF) or breach noise regulations. You are responsible for ensuring your setup is legal for your intended use.