Burger Motorsports JB4 - N55

Marsoni

M251S

$265.00

Get it in 3 business days with 1 day shipping. Friday, May 29

Burger Motorsports JB4 - N55Finally a JB4 for your N55 "Twin Power" BMW! Ready to take your BMW N55 turbo to the next level? How about up to 60hp to the wheels (80hp crank) on a completely stock car or up to 100hp to the wheels (120hp crank) on a fully modified car? The JB4 features a simple plug and play installation harness for easy installation and includes many features not found on any other tune. Including on the fly in dash map switching between factory and various

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
To process your return/exchange, please contact us at [email protected]
Please click here for more details>>> Return & Exchange Policy

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Reviewed in the United States on January 18, 2026