DINAN + PERFORMANCE ENGINE SOFTWARE/TUNE - BMW B46 ENGINE b46 78 @ 4000 RPM (M3/M4)

78 @ 4000 RPM (M3/M4) Product Type Engine Software Required Items Dinan Heat Exchanger (D780-0001A)

2014–2016 F32 420i/428i

2020–present F95 X5 M

with a map switch in the provided mobile app

19" starting at $599 | 20" starting at $699

DINAN + PERFORMANCE ENGINE SOFTWARE/TUNE - BMW B46 ENGINE b46 78 @ 4000 RPM (M3/M4)Engine software on a turbocharged platform is far and away the most cost effective upgrade to improving engine performance. Through optimization of control strategies and taking full advantage of the engine's capabilities, substantial power can be extracted without any additional modifications. For F chassis BMW's equipped with the B46 motor this translates into maximum gains of nearly 55 WHP & 80 lb ft of torque on pump gas with the capability of