I did some searches on the forum to see how to adjust and replace this item, but I could not find how this item is removed. Is it bolted on? or screwed on?

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2006 BMW M5 "Heidi" @ 109,000 miles
2005 MBZ C55 AMG "Lorelai" @ 165,000 miles
1991 MBZ 300E "Benzachino II" @ 165,000 miles
1990 MBZ 500SL "Shoshanna" @ 118,000 miles

(On the hunt for a good used M103 engine as of 6/10/23, PM me if you have one to sell!)

Not sure which model you are working on, might not matter. Typically there is a bracket at the base held down with a 10mm head bolt, you remove the bolt and bracket and it pulls out. You might lose a little fluid in the process.
Gilly

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Sorry Gilly, its the 722.3 transmission for the 1989 M103 300E.

Thanks for the information, I am going to rent a vacuum tester tomorrow to see if it holds any vacuum for at least 30 seconds. Otherwise, I am going to get a replacement.

__________________
2006 BMW M5 "Heidi" @ 109,000 miles
2005 MBZ C55 AMG "Lorelai" @ 165,000 miles
1991 MBZ 300E "Benzachino II" @ 165,000 miles
1990 MBZ 500SL "Shoshanna" @ 118,000 miles

(On the hunt for a good used M103 engine as of 6/10/23, PM me if you have one to sell!)

Here....
http://www.benzworld.org/forums/w201-190-class/1360821-diy-w201-transmission-modulator-removal-replace.html

Thanks for the link!

I really hope I just have a vacuum leak somewhere else, really don't want to have to lower the transmission...

__________________
2006 BMW M5 "Heidi" @ 109,000 miles
2005 MBZ C55 AMG "Lorelai" @ 165,000 miles
1991 MBZ 300E "Benzachino II" @ 165,000 miles
1990 MBZ 500SL "Shoshanna" @ 118,000 miles

(On the hunt for a good used M103 engine as of 6/10/23, PM me if you have one to sell!)