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Is there a need to update Ecu software on N20 engines

Specific discussion about the E89 2009 Z4 (sDrive35is, sDrive35i, sDrive30i, sDrive23i)
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sumotan
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Is there a need to update Ecu software on N20 engines

Post by sumotan » Wed Jul 14, 2021 10:54 am

Hi Gents,

Was wondering if you guys have updated the ecu software on your cars. If so what's the reason ?

Thanks

Pbondar

Is there a need to update Ecu software on N20 engines

Post by Pbondar » Wed Jul 14, 2021 12:10 pm

There were various revisions to the ECU s/w..I've not climbed a learning curve to proffer any advice on this (yet! :rofl: )..

I know when the tuners were stuggling with my Celtic tune they re-flashed it to a later update of the 20i ECU firmware as a starting point.

I've just loaded ISTA/P so will have a look at that..I think you need to get an update from a BMW factory server..but will check..

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enuff_zed
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Is there a need to update Ecu software on N20 engines

Post by enuff_zed » Wed Jul 14, 2021 12:43 pm

Pbondar wrote: Wed Jul 14, 2021 12:10 pm There were various revisions to the ECU s/w..I've not climbed a learning curve to proffer any advice on this (yet! :rofl: )..

I know when the tuners were stuggling with my Celtic tune they re-flashed it to a later update of the 20i ECU firmware as a starting point.

I've just loaded ISTA/P so will have a look at that..I think you need to get an update from a BMW factory server..but will check..
Given that sumotan was previously asking about remaps, would a software update erase any remap that has been installed?
HQ of 'Norfolk Zed Rescue'.
Always happy to help if I can.

If the forum helped you, why not help the forum back. Thats the Z4 way! :thumbsup:
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Pbondar

Is there a need to update Ecu software on N20 engines

Post by Pbondar » Wed Jul 14, 2021 1:46 pm

enuff_zed wrote: Wed Jul 14, 2021 12:43 pm
Pbondar wrote: Wed Jul 14, 2021 12:10 pm There were various revisions to the ECU s/w..I've not climbed a learning curve to proffer any advice on this (yet! :rofl: )..

I know when the tuners were stuggling with my Celtic tune they re-flashed it to a later update of the 20i ECU firmware as a starting point.

I've just loaded ISTA/P so will have a look at that..I think you need to get an update from a BMW factory server..but will check..
Given that sumotan was previously asking about remaps, would a software update erase any remap that has been installed?
Yes a firmware update would reset all ECU tables to their default values..

sumotan
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Is there a need to update Ecu software on N20 engines

Post by sumotan » Wed Jul 14, 2021 2:39 pm

Thank Gents , clever boy enuff_zed, lol. This is precisely why Im asking as I've got issues in trying to read the ecu with Powergate 3 from Alientech, Alientech suspects the issue could be my ecu not being updated. Guess you hit the nail Pete if this is the case what can I do about it ?

Thanks again

Pbondar

Is there a need to update Ecu software on N20 engines

Post by Pbondar » Wed Jul 14, 2021 2:57 pm

sumotan wrote: Wed Jul 14, 2021 2:39 pm Thank Gents , clever boy enuff_zed, lol. This is precisely why Im asking as I've got issues in trying to read the ecu with Powergate 3 from Alientech, Alientech suspects the issue could be my ecu not being updated. Guess you hit the nail Pete if this is the case what can I do about it ?

Thanks again
I think on the N20, looking at what the tuners had to do, was that a pigggy back jumper had to be added to re-flash the ECU..I'll check and see what I can find..

sumotan
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Is there a need to update Ecu software on N20 engines

Post by sumotan » Wed Jul 14, 2021 3:56 pm

Many thanks again Pete.

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R.E92
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Is there a need to update Ecu software on N20 engines

Post by R.E92 » Wed Jul 14, 2021 4:47 pm

Plugging it into ISTA/P and updating would be the easiest way. Any BMW specialist or dealer should be able to do that for a small fee if you don't have the tools at home.

sumotan
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Is there a need to update Ecu software on N20 engines

Post by sumotan » Thu Jul 15, 2021 11:01 am

Thanks again R.E92. Btw where I'm at the Bmw specialist is myself Lol. All need to self learn to maintain the car hence my gratitude
towards the existance of this forum & wondeful members for sharing.
Most ironic thing is we've got Bmw, Mercedes, Lambos, Ferraris, Maseratis, oh even Bentley & Rolls here & yet no official dealers etc.
For the high end car crowd I know that they invite technicians over from Singapore to maintain their cars etc.

Cheers

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enuff_zed
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Is there a need to update Ecu software on N20 engines

Post by enuff_zed » Thu Jul 15, 2021 11:04 am

sumotan wrote: Thu Jul 15, 2021 11:01 am For the high end car crowd I know that they invite technicians over from Singapore to maintain their cars etc.
There you go Pbondar, just the 'in' you needed to volunteer for a little holiday. :thumbsup:
HQ of 'Norfolk Zed Rescue'.
Always happy to help if I can.

If the forum helped you, why not help the forum back. Thats the Z4 way! :thumbsup:
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Pbondar

Is there a need to update Ecu software on N20 engines

Post by Pbondar » Thu Jul 15, 2021 12:01 pm

enuff_zed wrote: Thu Jul 15, 2021 11:04 am
sumotan wrote: Thu Jul 15, 2021 11:01 am For the high end car crowd I know that they invite technicians over from Singapore to maintain their cars etc.
There you go Pbondar, just the 'in' you needed to volunteer for a little holiday. :thumbsup:
Hmmh Business Class plus 3 nights in a 5 star hotel plus paying for my quarantine MAY prove not cost effective for Sumotan..but I'm willing if he is? :thumbsup:

sumotan
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Is there a need to update Ecu software on N20 engines

Post by sumotan » Thu Jul 15, 2021 2:51 pm

Hahahaha if you really come I'll be glad to accomodate you Pete. Nice to have like minded friends but be prepared for the spicy food here. Lol

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