I've had the Stage 1 on my '15 for two years and have no complaints. I also had enough mods to get the badge on my E90. Dinan is pricey in terms of horsepower per dollar but a) maintains a warranty and b) integrates really well.
I've liked and noticed the power adds with the Stage 1. Am now taking the plunge to Stage 3 with the CAI and larger heat exchanger. Maybe relatively modest gains but they are real and safe gains.
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Originally Posted by Arcades
I blame Lups because of reasons.
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