BMW 1-Series Forum (F20) 135i - 1Addicts.com - F20 Classifieds https://f20.1addicts.com/forums/ Marketplace / Classifieds en Sun, 16 Aug 2026 10:33:46 GMT vBulletin 60 https://f20.1addicts.com/forums/images/misc/rss.jpg BMW 1-Series Forum (F20) 135i - 1Addicts.com - F20 Classifieds https://f20.1addicts.com/forums/ For Sale - Burger Motorsports JB4 Tuner for BMW B38 B46 B48 B58 Engines - with USB Ca https://f20.1addicts.com/forums/showthread.php?t=2250245&goto=newpost Mon, 27 Jul 2026 13:31:07 GMT Up for sale is a used, fully functional Burger Motorsports (BMS) JB4 Tuner. This is the ultimate plug-and-play tuning solution for BMW vehicles equipped with B38, B46, B48, and B58 turbocharged engines. This unit comes equipped with the physical USB data cable, allowing you to connect the JB4... Up for sale is a used, fully functional Burger Motorsports (BMS) JB4 Tuner. This is the ultimate plug-and-play tuning solution for BMW vehicles equipped with B38, B46, B48, and B58 turbocharged engines.

This unit comes equipped with the physical USB data cable, allowing you to connect the JB4 directly to your Windows or Mac laptop. You can easily update firmware, switch maps, read/clear codes, and log live engine data without needing to purchase a separate wireless adapter.

The unit is pre-owned and shows normal signs of light use under the hood, but it functions perfectly. All wiring connectors and pins are clean, intact, and ready for installation.

$275 Firm including shipping. Item will be shipped USPS Priority Mail.

Return will be accepted within 14 days - buyer pays return shipping.
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