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BMW 4 Series Engine & Gearbox Remapping

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About JR Tuning

JR Tuning is an Engine & Gearbox ECU remapping company based in Kent. Our workshop is located 15 minutes from Maidstone in Headcorn, Kent. Our engine and gearbox remaps are arguably some of the best in the world, providing huge gains in power and torque along with sharper throttle response and better fuel economy.

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info@jrtuning.co.uk

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