I haven't been able to find much info on BM3 for the F15 X5 35i. What type of gains should I expect with Stage 1.. Just trying to get a cost/benefit analysis going here. Thanks!
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2020 FORD RAPTOR
2014 F15 X5 | M-SPORT
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2011 SG E90 M3 | 2008 AW E90 M3 | 2004 E46 M3
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