Masata BMW 4 Series G22 420i (2020+) Tuning Box MST7003 - Plug & Play Power Module, +70hp +74Nm, Remap Alternative, Piggyback ECU
Masata BMW 4 Series G22 420i (2020+) Tuning Box MST7003 - Plug & Play Power Module, +70hp +74Nm, Remap Alternative, Piggyback ECU
Masata BMW 4 Series G22 420i (2020+) Tuning Box MST7003 - Plug & Play Power Module, +70hp +74Nm, Remap Alternative, Piggyback ECU
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  • Load image into Gallery viewer, Masata BMW 4 Series G22 420i (2020+) Tuning Box MST7003 - Plug & Play Power Module, +70hp +74Nm, Remap Alternative, Piggyback ECU
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Masata BMW 4 Series G22 420i (2020+) Tuning Box MST7003 - Plug & Play Power Module, +70hp +74Nm, Remap Alternative, Piggyback ECU

£399.00
£399.00
£499.00
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Masata BMW G22 420i Tuning Box - MST7003

Unlock serious performance from your BMW 4 Series with the Masata BMW G22 420i Tuning Box. This plug-and-play tuning module is a powerful remap alternative that delivers instant gains in horsepower and torque, sharper throttle response and smoother acceleration. Designed for the BMW G22 420i (2020+), part number MST7003, this Masata tuning box is a fast, reversible and warranty-safe way to transform the way your 420i drives on the road.

At Nforcd we’ve fitted and used this Masata tuning box on customer cars and feedback has been outstanding. If you are searching for BMW 420i tuning, BMW G22 tuning, plug and play tuning box, piggyback ECU, power module or a safe remap alternative for your 4 Series, this Masata MST7003 is the upgrade to choose.

Masata BMW G22 420i Tuning Box MST7003 - plug and play tuning module for BMW 4 Series performance upgrade

Key Performance Gains

  • Increase of 70 hp
  • Increase of 74 Nm torque
  • Improved throttle response across the rev range
  • Stronger mid-range pull and effortless overtaking

Why Choose the Masata Tuning Box for BMW 420i

  • Plug-and-play installation - no ECU opening, no permanent changes
  • Fully reversible and will not void your car’s warranty
  • Weatherproof and dustproof aluminium housing for year-round reliability
  • Genuine Masata quality with Lifetime Warranty
  • Ideal remap alternative - easy to fit, easy to remove, big gains

Perfect Fitment

Compatibility: BMW 4 Series G22 420i (2020+)

Part Number

MST7003

Manufactured by

Masata

Installation and Fitting

This is a true plug-and-play tuning module with a supplied harness, designed for quick and clean installation. Prefer professional fitting? Book with Nforcd in Warwickshire - request a quote at Sales@nforcd.com.

Order With Confidence

  • We run a compatibility check before dispatch - provide your UK registration or last 7 of VIN at checkout
  • Nforcd are UK performance specialists - tested by us and loved by our customers
  • Optimised for the BMW 420i G22 platform for strong on-road performance

SEO and Search Terms

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