actually bosch wipers are what come oem on a bmw, I used to work at a bmw porsche and vw dealer ship and thats all they used and when the wipers had to be changed was at least 3 years down the road. So silicone wipers are by far longer lasting and dont streak or make noise after long dry periods
Kai 14.765 @ 92.22m.p.h. #4 in 2002 on Z32racing.com in NA drags (206.4 RWHP)