Ignitions and Electrical› Computers, Chips, Modules and Programmers

Burger

Performance Tuner

$579.00

SKU: JB4-S55

In Stock
In Stock
Ships by Jul 29
Free Shipping
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Burger JB4-S55 is a performance tuner designed for S55-powered BMW vehicles. It installs easily between the car's sensors and the DME/ECU, manipulating engine performance to increase speed and power. This tuner offers features like adjustable boost limiting for different gears, in-dash map switching, electronic wastegate control, and support for E85 ethanol blends. It also includes built-in diagnostic tools for reading and deleting fault codes.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandBurger
Part NumberJB4-S55
CategoryIgnitions and Electrical

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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