WARNING: This page is about a different car, the 2008 BMW 750i and 2007 BMW 750i. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
For adjusting steering track rod at rack
Series: E21, E30, E36, E65, E66
Storage location: A25
Order number: 32 2 110
Open-ended wrench WAF 32
Fig 1: Identifying Special Tool - Open-Ended Wrench WAF 32