Originally Posted by smellthebeans
Marcel does not answer his phone or return calls.
Marcel will be at the Welt 4.0 meet. We can hit him up for some answers. The euro 328i's make more HP bc they also have direct injection, unlike the US NA bmw engines.
I think also DigiTech.de, SKN.de or TechTec.de offers dme tuning for the NA engines.