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GermanBoost - VAG IS38 turbo record improved to 11.1@125 by MKVII Golf GTI running flash and JB4 stack
7.5 Golf R JB4 map 1 "falls on its face" in 3rd gear (DSG) - N54Tech.com - International Turbo Racing Discussion
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Burger Tuning JB4 information thread - Page 95 - Modifying your Golf R MK7 - VWROC - VW R Owners Club
Jb4 came in today, pissed I have to wait to install it | GOLFMK7 - VW GTI MKVII Forum / VW Golf R Forum / VW Golf MKVII Forum
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JB4 Logging, stacking and Map 6 Discussion | Page 440 | GOLFMK7 - VW GTI MKVII Forum / VW Golf R Forum / VW Golf MKVII Forum
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