S42 Turbocharger MINI Cooper Upgraded Turbo K03 - JMTC

Discover the incredible JMTCs Super 42 high-pressure, high-flow dual-scrolling turbo upgrade by JM Turbo Cooper, designed for enthusiasts craving peak performance. With a substantial 42mm compressor, this turbocharger is engineered to deliver early and extended boost compared to the JWC turbo, resulting in outstanding response, torque, and power gains across the entire power band. The 42mm design also ensures an added kick at the top end when you need it most, making it the ultimate choice for those seeking an extreme street upgrade that delivers full race performance. It provides impressive torque, quick spooling, and extended durability. For race applications, consider pairing it with one of our aftermarket exhaust systems to unlock its full potential.

It's important to note that unlocking the extra power requires a custom tune. Running this turbo without a tune will result in minimal to no HP gain.

Estimated Performance Gains:
  • Approximately 60hp with a custom tune, intercooler, downpipe, cold air intake, new plugs, basic maintenance, and carbon blasting/cleaning.
  • 100hp+ (All of the above) in combination with a ported head, larger valves, ICE pipe, intercooler, and a 2.3/4"+ exhaust.

Please ensure you have a cleaned or new aftermarket catalytic converter and intercooler to avoid potential boost codes.

Key Features of the Upgraded Turbo:
  • Brand new turbo with a 42mm compressor
  • Lightened high-flow exhaust turbine
  • High-strength K04 internals
  • Upgraded 360-degree bearing
  • Designed for higher pressure
  • High-temperature alloy turbine housing
  • Dual-scrolling turbine housing
  • Water-cooled bearing housing
  • Compatible with OEM Intake Boot (N14) and N18 Engines with some adjustments
  • Fits AEM intake, NM Eng intake, and Forge Intake (Boot) Hose with minor adjustments.
T#: 22723724 | Part#: S42
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S42 Turbocharger MINI Cooper Upgraded Turbo K03 - JMTC
$1407.99