ECU CHIP, which is best?
Super Moderator Alumni
Joined: Mar 2004
Posts: 7,684
Likes: 12
From: West Los Angeles
Midnight Blue 2004.5 C230 Kompressor Sport Sedan. 2002 w210 E320, 2009 w211 E350 Sport
You won't gain much on just an ECU flash without any bolt-on parts for the m271 engine (assuming that is what you have). Any big claims on just an ECU flash for the m271 is a myth. The engine needs the bolt-ons (i.e. headers, pulley kit, etc...) to really benefit from an ECU flash.
Super Moderator Alumni
Joined: Mar 2004
Posts: 7,684
Likes: 12
From: West Los Angeles
Midnight Blue 2004.5 C230 Kompressor Sport Sedan. 2002 w210 E320, 2009 w211 E350 Sport
