WARNING: This page is about a different car, the 2005 BMW 645Ci and 2004 BMW 645Ci. However, it is still accessible from the selected car via links, so may be relevant.
In conjunction with: Spray lance 64 1 491 for evaporator cleaning
Order number: 64 1 492
Guide for spray lance (LHD vehicles)
Fig 1: Identifying Guide For Spray Lance (LHD Vehicles)