Syvecs BMW 135, 335 N54 - S7PLUS

The Syvecs S7PLUS delivers professional-grade engine management for BMW N54-powered 135i and 335i platforms. This standalone ECU provides complete control over the twin-turbocharged inline-six, with advanced features including individual cylinder fuelling, boost management per turbo, integrated flex fuel sensing, and extensive data logging. Designed for serious performance builds, the S7PLUS supports upgraded injectors, turbochargers and fuel systems while maintaining drivability. Direct plug-and-play harness compatibility streamlines installation, making it the ideal solution for tuners extracting maximum potential from these proven powerplants.