Quote:
Originally Posted by Redd
Not sure how good a Stage 1 is but I'm very happy with my BPM Stage 2. It's been on the car for 8-9 years now and not one hiccup under every possible scenario including track days in hot weather.
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stg2 BPM tune here, didn't flashed back to stock sw 2nd year and passed TÜV, so let this configuration. OEM 4 catalyst system is restrictive but works with BPM stg2 tune also (no track use), freeflow midpipe release all those asleep horses.