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That's why I thought he didn't have a BOV. It sounds like when you let go of the throttle without a BOV, then it creates that 'bouncing' sound effect as the boost pressure tries to escape backwards through the turbo compressor wheel. Even though it's harmful to the turbo, I still think it sounds better than a BOV... It harks back to the days when the Audi Quatro's dominated WRC...*whooooshchiechiechie...*

Also what is their motivation for not allowing atmo BOV's? Unless the turbo is buggered, it can only vent oxygen...

Motivation is noise polution.

The noise at the end was just a high end miss maybe? I've got to send the Autronic off to be fixed tomorrow.I think it's a dud injector driver.. It's not ignition..for once. I've become quite unaffected by problems these days...they happen so often.

The atmo vented blow off valves create noise pollution, oil contiminents from the turbo, and in Air flow meter systems, it creates over fueling and pollution, so our laws say they can only vented back into the intake.

We only had enough space on one of the cameras to get this single video. I'll be more prepared next time.

Mate I love your car. Can't wait till I can see it in the flesh, or should I say metal?? ...and when your signature reads 100% complete.
Good luck with the gremlins.

Henry