Hi,
I am looking at stage 1 upgrade for my M3 F80?
So far my favorite tuners are AC Schnitzer and Novatune stage 1 or 2.
Both offer around 510 - 520 ps and 640 - 650 nm....other tunners offer even more power and especially more torque, but my priority is durability of the engine/clutch as my M3 is daily car and thinking to keep it for many years.
Do you reccomend some other more realiable tuner in Europe?
Thanks for sharing your thoughts
Sasa
Last edited by sasa.baska; 09-23-2017 at 04:37 AM.
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