Ignitions and Electrical› Computers, Chips, Modules and Programmers

Burger

JB4 Performance Tuning System

$599.00

SKU: JB4_B38_B46_B48

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

Easy — 1–2 hours

Description

The Burger JB4 is an advanced performance tuning system designed for BMW B38, B46, and B48 engines. It offers a simple plug-and-play installation and CANbus OBDII integration for enhanced features and performance. This tuner provides significant power gains and operates as smoothly as stock, compatible with all driving modes and without affecting fuel economy during normal driving. It includes a rugged billet aluminum enclosure for protection.

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_B38_B46_B48
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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