Ignitions and Electrical Computers, Chips, Modules and Programmers

Burger Motorsports

JB4 B58 Gen1/Gen2 Tuner

$599.00

SKU: JB4-B58-GEN12

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 Motorsports JB4 B58 tuner is a plug-and-play tuning system designed for BMW B58 turbocharged engines. It connects between the factory ECU and engine sensors to adjust boost pressure, ignition timing, and fueling for increased performance. This system is compatible with Gen1 and Gen2 B58 engines.

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 Motorsports
Part NumberJB4-B58-GEN12
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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