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narstune narstune is offline
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Posts: 97
Join Date: Mar 2014
Car: '11 E90 335i
Default 08-12-2018, 01:02 PM

Originally Posted by Frikiton
how's the car running ?
any drag 60-130mph ?
I've had highly unsatisfactory results with a custom S55 - E85 tune from Trebila. I have nothing personal against David. In fact, he seems to be a good guy, but there's a no refund policy, so I definitely recommend spending your money on a more established and reputable S55 tuner.

I'll be writing a full review on his tune soon, along with all the issues I've had to face. To sum things up, the BMS BEF that David said he could improve upon offered way more performance, features, and reliability.

2017 M3 ZCP
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