Change terminal 30g shut-off time in CAS?

Nisse Järnet

Specialist
Feb 4, 2018
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BMW E30 turbo 4wd
Hi!

Anyone know if its possible to change the CAS controlled terminal 30g timer from 30min to say 10-15min?
 

Hotter

Specialist
Jan 23, 2021
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Would be interested too, but I think its not possible. When battery is low it shuts terminal 30g in 10mins instead of 30min - I have observed this feature with my old battery.
 

martymil

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Sep 6, 2017
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Anything is possible if you find the parameter to set but why would you need to, BMW must it set it for a reason.

You could always ask Bimmergeeks the maker of Protools to see if they'll help out.
 

Hotter

Specialist
Jan 23, 2021
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Anything is possible if you find the parameter to set but why would you need to, BMW must it set it for a reason.
Well it would be useful if car would go to sleep faster, less battery drainage. When its not sleeping it consumes ~1-5A.
 

martymil

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Sep 6, 2017
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ok

Spoke to the BMW whisperer and he said no there is something like 6 stages of sleep, cant exactly remember the exact numbers but it goes something like this

30s
1min
16min
30min
1hr
6 hrs

Cant remember the exact numbers but you get the gist.

Or if your running a lightweight race battery keep it on a trickle charger or any type of battery should be kept on one that's not used for extended periods of time.
 

Nisse Järnet

Specialist
Feb 4, 2018
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BMW E30 turbo 4wd
Thanks guys, something around 16 min would be good enough for my application, I'll try to make it happen with NCS expert :)

(It's a S55 singel turbo swapped E82 with a bit of modifications to the electrical system)
 

martymil

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Sep 6, 2017
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you cant change it I was told thats just what is in the car now.

Our cars have 6 stages of sleep.

Have a go and see what you can come up with, if you trying to combine the f series can bus with the e series can bus is the most likely culprit thats keeping your car alive and not letting it go to sleep. Ive seen a faulty flickering led keep the car alive for hrs.
 

Nisse Järnet

Specialist
Feb 4, 2018
56
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BMW E30 turbo 4wd
Oh ok hmm, im pretty new to coding but ill try :)

No im running a standalone ECU for the engine but trying to use as much of the cars original modules/functions as possible.
It works like it is now, but im using the 30g for some things that need to stay alive a bit after engine shutdown, but 30min is unessecery.
 
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Evgeni

New Member
Dec 12, 2017
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BMW 325d Lci
In CAS search for KL30G_TIMEOUT there are four values.
wert_01-30min
wert_02-60 min
wert_03-45min
wert_04-20min
Mine was wert_03 - 45 min and i code to wert_04 - 20 min. It is very useful for short trips. With NCS Dummy i think you can add new value and make it 10 or 15 min but I haven't tried.