MembersPage/JanSaenen (2008-01-22 16:52:24)

Project: BMW E12 with an M30B35 engine from an E34 '88 currently controlled with standard motronic and running great. However I want more control and learn more about engine management systems. So I will make a break out box where I can measure all signals without cutting in the original wiring. I'll post a picture when it's installed.

I installed a vaporized injection LPG system with Keihin injectors based on a master slave principle. Hence my interest in the new firmware release with dual mapping capabilities.


Progress:MembersPage/JanSaenen/Progress
LPG:MembersPage/JanSaenen/Vapourised
Config:MembersPage/JanSaenen/Config
Links:MembersPage/JanSaenen/Links
Buylist:MembersPage/JanSaenen/Buylist

EGT

My GenBoard (preassembled serialNr=355)

MegaTune will log both mcp3208channel4 and mcp3208channel3 (raw values). However, only mcp3208channel4 is displayed on LCD page0 (mlp00).

Raw values mean that the

Fuses

These are commonly used :

Current consumerFuse rate'Description/Comment
VEMS Genboard3A It actually draws a couple of hundre mA, but this is the smallest automotive fuse commonly found in gas stations
Lambda5A 
Injectors10AThis could be the main fuse, and a separate 3A fuse for each injector for safety if you get a short in an injector you could fry the driver with only one main fuse
Ignition coil10APossibly even higher, depending on the coil primary resistance