Windblocker for BMW Z4 E85 (2002 -2008) Wind Deflector Black + Storage Bag. We have been supplying convertible wind deflectors for almost all convertible models for more than 15 years. Your advantages with a wind deflector. Less cold wind drafts. Less wind noise. Significantly extend your convertible season. With our wind deflector you get. Brand quality from the EU. Easy to assemble and a perfect fit. Strong UV resistant design. You will receive an invoice with VAT.