BMW M4 Stage 2 ECU tune in Richmond, BC. Dinan piggyback removed and upgraded for catless downpipes. Fix check engine light and unlock performance.
At Speed Projects Laboratory’s Performance Division, we often work with vehicles that already have aftermarket upgrades — but aren’t fully optimized. This BMW M4 (F82) came in running a Dinan plug-and-play tuning box, paired with newly installed catless downpipes. While piggyback systems offer a quick entry into tuning, they have limitations — especially when paired […]
