N55 stage 1 dyno. Feb 14, 2024 ยท « Previous Thread Next Thread » MHD Stage 1 on N55 with PWG The Dinan Stage 1 Performance engine software is designed for the N55 engine to yield maximum power (for a variety of different octanes), improve drivability, and remove the factory speed governor for unadulterated entertainment. Our N55 powered 135i was able to put down a best of 328whp and 360wtq. The dyno used is a Mustang dyno, which is known to be somewhat of a heartbreaker, typically reading 5-10% lower than a Dynojet. 2016 BMW M2 (N55) on the Whifbitz dyno for a Bootmod3 Stage 1 tune. Stock run: 334whp / 391bhp (already above factory 370bhp!)After Stage 1 OTS map: 359whp / MHD N55 EWG Stage 1 dyno results are pretty disappointing. The time now is 04:57 AM. STAGE 1 DYNO TESTING The 135i is using 100% OEM hardware, with an MHD N55 Stage 1 OTS tune. N55 Pure Stage 1 Upgrade! Everything Needed and a DIY It's official! Placed some orders just a few moments ago, I'm going to outline the process from start to finish for going to a healthy and reliable Pure Stage 1 setup on an N55 car, specifically a late model that needs a DME unlock since many people haven't documented this. DYNO graphs for Stock N55 on bootmod3 stage1All times are GMT -5. vrcnuvpraisxlflhovxzwjmzeelsyqcvhknnlmyehdtsur