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335iAP · 12-14-2019, 10:48 AM

I've got bootmod3 stage 2 full bolt on, but before that ran stage one stock with just an upgraded charge pipe. Both were much much better than the race chip I used before that. Recommend BM3 highly

12-14-2019, 10:48 AM	#6
335iAP Captain 149 Rep 921 Posts Drives: AW E92 & F26 Join Date: Jul 2011 Location: United States iTrader: (0)	I've got bootmod3 stage 2 full bolt on, but before that ran stage one stock with just an upgraded charge pipe. Both were much much better than the race chip I used before that. Recommend BM3 highly
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