Project BMW M3: Part 21
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Just to get a feel of how the car was doing, I decided to re-dyno it at evosport. Unfortunately, it wouldn't make more than 14 psi, so the car was down nearly 60 whp compared to the previous, 15-psi run a year ago. Even at 14 psi, the car was putting down around 400 whp last year, so it was clear that something wasn't right. Plus, it's now boosting up to 300 rpm later. View Related Article
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