Bimmerfest BMW banner

1 - 4 of 4 Posts

·
Registered
Joined
·
3 Posts
Discussion Starter #1
Help solving this issue with inyector 4-5-5
***8226; I already tried cleaning them
***8226; Switching them to see if they are damage ( all are Ok )
***8226; Opened the Computer and tested the mosfets ( all are with connection )
What else can I do ? Maybe there is a problem between the connectivity from the computer to the engine ??? How can I test this ?

Thank you
 

Attachments

·
Registered
Joined
·
5,550 Posts

·
Registered
Joined
·
3 Posts
Discussion Starter #3
Acoste: The mosfet I did it my self with the help of some videos and some equipment I got, but for this other test the best should be an electric mechanic ?
Thank you for sending those diagrams ... I have been looking for them for long time.
Do you know which ones are the injectors lines in there ?
Thank you


Sent from my iPhone using Tapatalk
 

·
Registered
Joined
·
5,550 Posts
The labels are links on the schematic, so you can click on them to find them. For example the injectors are on the X60006 connector on the DME. https://www.newtis.info/tisv2/a/en/e93-335i-cab/1VnZAHHjcD From pin 1 to 12. Pins are numbered on the inside the connector (on the corners).

Make sure you pick the right engine. N54 or N55.

Wires are color coded. You can see the colors there on the schematic. Also the abbreviations, which are in German language. RT = rot = red
I think all the white wires (pin 1-6) should sit at 12V but that's just a a guess because that's how they were on older models, like this: https://www.newtis.info/tisv2/a/en/e46-330i-lim/wiring-functional-info/power-train/engine-electronics-ms45/injection/fuel-injectors-cylinders-1-6/nXa4ngi. Maybe the power line is damaged inside the DME.

Just check the ground connectors for tightness and rust. And check the supply voltages with a multimeter.
 
1 - 4 of 4 Posts
Top