The only thing I can think of that might be the same on a M103 is that on my M102 inlet manifold there's a vacuum line going to the transmission that needs to be plugged.





The W201 M103 fuel injection chapter is easy to reach here

http://www.startekinfo.com/StarTek/outside/11832/Resources/201Create/PDF/50006.pdf

__________________
1992 W201 190E 1.8 171,000 km - Daily driver
1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone
1965 Land Rover Series 2a Station Wagon CIS recovery therapy!
1961 Volvo PV544 Bare metal rat rod-ish thing

I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior



Don't leave that there - I'll take it to bits!