Another update. After browsing through hundreds of threads and post I came across this. Stage 2 Hesitation Solved - VW GTI MKVI Forum / VW Golf R Forum / VW Golf MKVI Forum / VW GTI Forum - Golfmk6.com
I gapped it to about 10mm with some spare washers and so far fixed. The car is much smoother at low revs and i can't seem to make it hesitate like I could before. Don't know whether there is too much air flowing over the MAF or not enough, or maybe like the forum says I may have just but a bandaid on a hidden issue. Please let's not start an argument like the link above did, all I know is everything seems to be ok. Don't want to get rid of the air filter as data shows they are very good, maybe the bluefin just doesn't like it. I'm no expert by all means but perhaps their tune is designed for a stock car and with no after market intake. I don't even know whether you can get these intakes in the UK?
I will keep you posted with any more developments. The Evap System still fails the Readiness test though.
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