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Piggyback Tuning Modules

You've heard about it before, and now it's available here at Turner Motorsport! The Burger Motorsport JB4 Tuner is one of the most versatile, adaptable modifications you can make to your BMW, and among the simplest to install. A true plug & play solution, the JB4 offers support for everything from stock cars to fully built monsters. Stock cars can expect gains of up to 60 wheel horsepower, while modified cars can expect to see gains of over 100 WHP! With an additional cable, you can connect your smart device or laptop to enjoy datalogging and tuning capabilities. It's all inclusive and fully featured - it's the JB4 from Turner Motorsport. Order yours today!

Burger Motorsports Tuning Products are for off-road racing use only - NOT FOR SALE OR USE IN CALIFORNIA! All customers must sign and return an emissions waiver to purchase Burger Motorsports tuning products.

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Fuel-It! - Corporate Logo
T#:589404
Part#: N54-PORTINJCONMO
In Stock
$ 599.00 USD
Free Shipping
$ 599.00 USD
Free Shipping
Fuel-It! CANfuel allows your ECU to control up to 8 fuel injectors sequentially in addition to an ethanol content sensor, low fuel pressure sensor, extra pressure sensors, EGT probes, external fuel pumps, and much more.
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Fuel-It! - Corporate Logo
T#:54104130
Part#: FICANPFI-G58A
Ships on Sep 23, 2026
New Item
$ 599.00 USD
$ 599.00 USD
The Fuel-It! CANfuel expands factory ECU capabilities by managing up to 8 fuel injectors sequentially, alongside an ethanol content sensor, low fuel pressure sensor, additional pressure sensors, EGT probes, external fuel pumps, and secondary auxiliary components. The system utilizes standard CANbus technology, seamlessly integrating with the vehicle's existing factory control module communication network.
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JB4 Tuner With JB4 Bluetooth Wireless Connect Kit - N63R
10X Entries Into Our F80 M3 Sweepstakes
Packaged by Turner - Corporate Logo
T#:56074198
Part#: JB4-N63R-GKT2
Ships in 3 Business Days
New Item
$ 938.00 USD
Free Shipping on orders $49 and up
The JB4 isn't just a basic boost controller; it's a secondary brain for your BMW. By linking directly to the car’s internal CANbus network, it dynamically adjusts boost, fueling, and timing to extract more out of your N63R engine
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Mosselman Turbosystems - Corporate Logo
T#:24677071
Part#: 050210001
Ships in 6 Business Days
$ 1,869.00 USD
Free Shipping on orders $49 and up
The Mosselman iTronic is an advanced engine controller that works simultaneously with the original ECU and is highly recommended on new and young BMW models that still have the factory warranty. It is designed as an external module (tuning box) that can be installed and removed by the end-user, minimizing problems with the factory warranty. The iTronic will take your BMW G-Series M3/M4 (Competition) to approximately 600 hp and 750 Nm on premium fuel (98 Oct EU/ 93 Oct USA), which is highly recommended. Blistering Performance - The iTronic will take your BMW G-Series M3/M4 to approximately 600 hp and 750 Nm on premium fuel Steering Wheel Control - Turn the iTronic on/off with the buttons on your steering wheel. Plug-and-Play - The iTronic is designed as an external module (tuning box) that can be installed and removed by the end-user. The installation time is approximately 1 hour. Installation PDF - https://www.mosselmanturbo.com/uploads/Manuals/iTronic/Installation_Manual_BMW_S58_M3_M4_G8X_100222.pdf
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