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The 2019 onwards BMW Z4 M40i (G29) revitalized the classic Bavarian roadster. Powered by the incredibly capable 3.0-litre turbocharged B58 Gen 2 engine, featuring a 2-port turbo design and refined internals, it delivers 340bhp straight from the factory. Predominantly paired with the rapid ZF8 8-speed automatic gearbox, though rare manual examples exist, this rear-wheel-drive sports car provides a phenomenal open-top driving experience. JXL Performance supplies the elite aftermarket hardware required to push this roadster beyond its limits.

Explore our full selection of BMW G29 Z4 M40i upgrades by category: To boost engine output and enhance your exhaust note, browse our Intake and Cooling ranges alongside high-flow Exhaust setups and uprated Turbocharger hardware. For rapid power gains, choose our Fuel/Ignition tuning modules, or fortify your B58 engine block with Engine Build forged components for big-turbo projects. Optimize power delivery with our Drivetrain, Suspension, and Wheels/Spacers products, while securing fade-free stopping power in our Brakes department. Finally, elevate your vehicle's stance with Exterior aero trim and Interior driver upgrades, while keeping your Z4 running reliably with OEM-spec Service Parts. You can also explore our complete catalog in the Shop All Parts collection.