Does anyone have any personal experience from using chips or modules on bmws? These type mods have worked fine on my c5 but with bmw being maybe a more refined car could a there be reasonable improvement?
The AutoGuide.com network consists of the largest network of enthusiast-owned enthusiast-operated automotive communities.
AutoGuide.com provides the latest car reviews, auto show coverage, new car prices, and automotive news. The AutoGuide network operates more than 100 automotive forums where our users consult peers for shopping information and advice, and share opinions as a community.