Quote:
Originally Posted by Morebs4me
Serg tuned it but for stock turbos not these. I have jb4 but still on map 0. Both turbos are the same I think when I checked part numbers. My diverter valves are huge compared to n63, I ordered a pair for both turbos.
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So you weren’t able to TUNE the upgraded Alpina B5 (803709-0007) Turbo’s-Is that correct?