Thread: BMW E60 M5 vs F10 550xi BMS Beta stage 2
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      04-12-2014, 01:06 AM   #1
badblack550xi
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Drives: F10 550i 2011 F90 2020 COMP
Join Date: May 2013
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BMW E60 M5 vs F10 550xi BMS Beta stage 2
Guy said hes stock to me.. his friends said he claimed it was tuned so who knows =D i was on +3PSI did not need to go any higher.

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