BMW E36 M42 Startup - REF/SYNC

Discussion and support for MoTeC's previous generation of entry level ECUs

BMW E36 M42 Startup - REF/SYNC

Postby mick41zxr on Sat Oct 30, 2021 5:29 pm

Hi,
Setting up a BMW E36 318is (M42).
Having trouble getting the engine to Sync.
Able to test clean spark & injectors. Getting a clean RSC file.
RefSync-Capture.JPG
REF/Sync
RefSync-Capture.JPG (363.52 KiB) Viewed 3613 times

318is ref-sync7 - rev-sync.rsc2
RSC Capture
(64.45 KiB) Downloaded 169 times

I believe I have CRIP set ok
CRIP-Setup.JPG
CRIP
CRIP-Setup.JPG (45.02 KiB) Viewed 3613 times

Does anyone have any suggestions.
Thanks,
Michael
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Posts: 23
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Re: BMW E36 M42 Startup - REF/SYNC

Postby mick41zxr on Sat Oct 30, 2021 5:32 pm

I believe this to be the CRIP Setup
M42 Crank Trigger.JPG
M42 Crank Trigger.JPG (149.38 KiB) Viewed 3612 times

M84 file to see if I have made a mistake.
BMW 318is E36-2.m84-12
M84 Motec File
(72 KiB) Downloaded 177 times

20211030_150018.jpg
error
20211030_150018.jpg (734.5 KiB) Viewed 3608 times

Any help appreciated.
Thanks,
Michael
mick41zxr
 
Posts: 23
Joined: Sun Feb 09, 2020 12:30 pm

Re: BMW E36 M42 Startup - REF/SYNC

Postby GWRMOTORSPORT on Sun Oct 31, 2021 7:03 am

Hi Michael, had a quick look at your ECU file and the ref & sync mag levels are all 9.5v,
they need to be set to approx 1/3 of the peak voltage at various RPM sites,
From the ref sync capture which seems to be at about 310 rpm I would use ref 1.3v and sync 1.2v
set the whole mag tables to this, it should sync up and start and then do some more captures and work out
the mag levels. Also the trigger wheel looks like its either running out of true or is out of shape,
the constant dip in the ref voltages just before the sync signal needs possible looking at.

Hope this helps

Regards

STEVE

GWR MOTORSPORT
PM if you need more help
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Re: BMW E36 M42 Startup - REF/SYNC

Postby mick41zxr on Mon Nov 01, 2021 7:27 pm

Thanks Steve,
Changed Mag Tables & startup up straight away.
Much appreciated.
Michael
mick41zxr
 
Posts: 23
Joined: Sun Feb 09, 2020 12:30 pm

Re: BMW E36 M42 Startup - REF/SYNC

Postby muigandy on Fri May 13, 2022 4:57 pm

Thanks for trying to help!
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Posts: 1
Joined: Fri May 13, 2022 2:44 pm


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