MicroSquirt.com read only forum (Jan.15,2018)

My car is a BMWE30 325i with SGIS bigas lpg system.
I currently run MS v2.2 fuel only. Petrol is ok but I have problems running the lpg system through my megasquirt. Now I am not sure what impedance my bigas injectors are (will measure soon) but I would like to control the injectors directly via MS and have seperate ve table for petrol and lpg (dual table?).

I can see how I need to wire in a relay to activate the solenoids and stuff for the lpg system to work but I don't know how I can control this relay with MS. It is not convenient to have the laptop continiously in the car and swap the tables manually .

Thanks,
M545i

Take a look here :

http://www.msefi.com/viewtopic.php?t=11 ... light=dual

and here

http://www.msefi.com/viewtopic.php?t=11 ... light=dual


Don't hesitate to call if you have more questions .

Bigas are high imp btw

Pat

I've seen your posts, I understand that dual table works for two fuels but I am not sure how I can activate table 2 (lpg) via my relay for switching to lpg the injectors + tank solenoids. I read you do that with the NOS function, but how? In DualTable code I don't see any of the functions (NOS,...) that I had when I run extra025 code with MT225b623?

Thanks for helping me out,

Mischa

There are three tables .

Table 1 or 3 controls inj1 , use this for petrol
Table 2 always controls inj2 ( dual table function ) use this for lpg

What you need to do is add the table switching circuit to the megasquirt .
Then use 12V on that input to switch table one to table 3 .
You can set table 3 to zero to disable petrol .

The 12V schould also enable a relay , switching power on to inj2 .
This way , megasquirt can only fire inj2 when the relay is passing 12v to the injector bank .

Pat