To disable the headlight washer feature, remove the fuse in position 43 on the fuse box.
Excellent! Nice work around to the fact that they don't have their own switch. Has anyone confirmed that Fuse 43 only is for those washers?
335xi sedan 6MT, Premium, Cold Weather, iDrive, CA, iPod
Black Sapphire Metallic, Black Leather, Aluminum Trim
European Delivery: April 28 - May 7, 2008
Performance Center Redelivery: July 11, 2008