520i m50b20 chip ande more

helo :)





im looking for someone who has experience or knows about chip-tunning for this engine m50b20 Ive been looking at this one from AC Schnitzer





http://ift.tt/1tUvGGE





any good ???

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any other tips and tricks on upgrades and maintenance for this engine is very welcome ...





this is my first bmw and very happy with it. but its very different from the old opel.s with carbs no kat and an ignition you set with a screwdriver





im definitely going bmw for the future loving my tank

520i m50b20 chip ande more