Hello,
I recently swapped 2.8 liter M104.945 from 1996 W210 into my W123. I'm going to run it with Maxxecu controller. I'm still finishing the installation so I haven't tried to start the engine yet. My concern is about the tuning software settings (couple of pics attached, it's a basemap so the rates are not for my setup).
The MTune app needs some information about the injectors and the coils.
What is the flow rate ( cc/min @ 3 bar) and dead time (time from closed to open) of the stock injectors? There is a texts on the injector that says Siemens Deka 96 T and part number is " A 000 078 85 23". I haven't managed to find specs for these. Flow rate is probably around 200 cc/min. What is the fuel pressure with the stock pressure regulator?
Part number on ignition coils is "000 158 70 03". Is there any information about the dwell time?
Any information and tips about settings and aftermarket ecus are appreciated.

Attached Thumbnails

   

fuel pressure is 55 psi

Did you get your M104 running? I am also considering EFI, and want to see if you have the setting figured out.

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1985 190E 2.3-16 Euro