BMW Tuning, Coding & Engine Solutions
Kassel Performance provides BMW engine-management tuning, DME and ECU coding, engine-swap electronics, dyno calibration, repair, fabrication, and engine-building support from York, Pennsylvania.
Our experience spans classic and modern BMW platforms, including more than 100 completed E30 engine swaps and specialized MSS54/S54 and MSS52/S62 applications.
Choose an online tuning or coding service, browse vehicle-specific parts, or contact the shop with the chassis, engine, DME, transmission, hardware, fuel, and project goals.
Trusted by BMW owners
Supported Tuning Software
BMW Flash Tuning
Custom calibration support for MHD and EcuTek workflows, including Bend Calibration packages for supported B58, S55 and S58 platforms.
Standalone ECU & PDM
Syvecs and Link ECU calibration for supported race, swap and high-output applications, plus power-distribution-module calibration and integration support.
Advanced Fuel & Control
Flex-fuel, ethanol, port-injection and MOTIV ReFlex strategies for compatible builds, developed around the actual hardware, fuel system and power target.
Follow the Work
Shop projects, dyno sessions, engine builds, coding work and new BMW content from Kassel Performance. Follow us on Instagram, Facebook and TikTok for the work that does not always make it onto the website.