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  1. E39 M5 and E52 Z8 Discussion
    Hello members and guests, Matt here from Jailbreak Tuning. I haven't been very active on social media but we've been hard at work and I want to share some recent tune results to you guys. Enjoy the sounds and graphs and feel free to ask any questions :) First up is Duncan's Le Mans on Caramel...
  2. M5 E39 Group Buy Forum and Sponsor Discussion
    Hi guys, It's launch time! We've got permission from the boards owners to do our first group buy and we are giving you all the options you could ask for in one price, $599. Our regular price is $900, and we know how much you guys were looking for an affordable tuning option so we are offering...
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