Thread: Burger Tuning F90 M5 JB4 Power gains of up to 80whp and 100wtq!!
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      06-25-2018, 06:49 PM   #4
koko f90
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Drives: bmw m5 f90
Join Date: Apr 2018
Location: israel

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While using jb4 the check engine lights will always be on?!
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