I thought so too at first, So I poured it over to a glass mason jar, and took it up to LHBS and after talking for a while we are thinking it is my tap water. This is the 2nd batch to have this plasticy aroma flavor. This is the strongest by far, but this brew is gone. I am trying to decide to dump it or not. I went ahead and bought the replacement ingredients to make another batch and the distilled water to make it. So I will see if that makes the difference. 2 batches I have ever made with my filtered water has had this character. My 1st Dunkelweizen, and this batch. I figured after getting my water tested at my LHBS I would give it a go with the Cl being relatively low and the rest of the mineral levels being "do-able" with cutting it 60:40 My Tap:RO on my 3rd beer for the day. Well come to find out his water test kit needs a buffer added to the testing water if it is higher in alkalinity. Which the rep that sold him the kit failed to inform him, and he was at a trade show when he picked up the testing kit. So because I have crazy Indiana water come to find out, the test was a bad test. So as of right now we are blaming the water... Any other ideas brew buds?