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The F20 (5-door) and F21 (3-door) BMW M140i represents the ultimate evolution of the rear-wheel-drive hot hatch. Powered by the legendary 3.0-litre turbocharged B58 Gen 1 inline-six engine and paired with either an engaging 6-speed manual or a rapid 8-speed ZF8 automatic transmission, this platform delivers unmatched straight-line punch, huge tuning potential, and dynamic driving engagement. JXL Performance is your ultimate hub for premium tuning hardware to push this B58 platform to its absolute limits.

Explore our complete range of BMW M140i performance upgrades by category: To extract massive horsepower and amplify the straight-six exhaust note, optimize your airflow and thermal management with our Intake and Cooling ranges, alongside high-flow Exhaust systems and uprated Turbocharger hardware. For immediate power increases, utilize our Fuel/Ignition tuning boxes and prepare for extreme power levels with our Engine Build forged internals. To harness power through the rear wheels and sharpen chassis dynamics, browse our comprehensive Drivetrain, Suspension, and Wheels/Spacers offerings, while maintaining fade-free stopping power with our recommended Brakes section. Finally, enhance your car's aggressive stance with premium Exterior aero and supportive Interior upgrades, while keeping your B58 motor running at its peak with our OEM-spec Service Parts. Alternatively, you can browse our entire catalog of upgrades in the Shop All Parts collection.