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Which tune has proven to be best for N54 cars so far?
I have been reading this forum for a while now, red a lot of great things about JB tunes, Cobb and little about Procede...
Which tune is the best in terms of better performance, least issues, no excess heat, no damage and good customer service?
I want to be able to turn the tune off when I take the car to the dealer and I want to be able to have a catless exhaust and still be able to get the car inspected.
Thank you for your participation.
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2018 M2
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