Give your BMW M3 or M4 S58 a serious uplift with the MMX Plug-In Tuning Box from Nforcd. This piggyback power module is a true remap alternative for G8X owners who want rapid gains in bhp and Nm without opening the ECU. It plugs into the engine harness, is fully reversible and keeps everyday refinement and factory driving modes intact. Ideal for road or track use when you want a bigger hit of acceleration, mid-range pull and sharper throttle response.
- MMX plug-in tuning box for BMW S58 twin-turbo 3.0 straight-six
- No ECU removal, no coding and no software flashing required
- Reversible installation using an engine-specific loom
- Keeps OEM drive modes and smooth drivability
- Suitable for rear wheel drive and xDrive G8X models
- Great choice for leased or warranty vehicles seeking a non-invasive upgrade
Approximate power and torque gains
Figures are indicative and will vary with fuel quality, conditions and supporting hardware.
- M4 G82: 480 bhp stock to 580 bhp, 550 Nm to 650 Nm
- M4 Competition G82: 510 bhp stock to 610 bhp, 650 Nm to 750 Nm
- M4 Competition xDrive G82: 510 bhp stock to 610 bhp, 650 Nm to 750 Nm
- M4 Competition xDrive LCI G82: 530 bhp stock to 630 bhp, 650 Nm to 750 Nm
- M4 CSL G82: 551 bhp stock to 660 bhp, 650 Nm to 750 Nm
- M4 CS G82: 551 bhp stock to 660 bhp, 650 Nm to 750 Nm
Vehicle compatibility
- BMW M3 and M4 with the S58 engine
- G80 M3 Saloon, G81 M3 Touring, G82 M4 Coupe, G83 M4 Convertible
- Competition, xDrive, LCI, CS and CSL variants supported
Fitting and support
Nforcd offers professional fitting in Warwickshire. To request a fitting quote or to book, email Sales@nforcd.com.
Why buy from Nforcd
- Trusted UK supplier of performance parts for BMW M models
- Expert product knowledge and guidance for S58 upgrades
- Popular choice with Nforcd customers seeking a plug and play remap alternative
- Aftercare and support from enthusiasts who understand your car
Ready to unlock your G8X M3 or M4 with a plug and play tuning module that delivers real-world performance and is simple to revert to stock when needed? Order your MMX piggyback power module from Nforcd today, and contact us if you would like professional installation in Warwickshire.
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