Thank you Gilly.
That sounds like the way to go but is the bolt a drain plug? Why not use that one? If you can, please let me know. I won't do the job until the middle of next week.
'85 500SL Euro
1985 Mercedes 500SL Euro (Gray market)
1995 BMW 520i Euro (Gray market)
1992 BMW 525it Wagon
1994 Honda Del Sol Si