No tuning ability for MEMS 3 unlike MEMS 1.9

No tuning ability for MEMS 3 unlike MEMS 1.9 was created by Johnny the Fox

Posted 1 year 6 months ago #200758
I noticed that when reading MEMS 1.9 with my PScan unit there was a tuning option, that allowed you to adjust idle speed, fuel trim, ignition timing etc. But not for MEMS 3?
Also MEMS 3 I can use EOBD, ISO and BMW protocols to read the ECM but the BMW protocol doesn’t see to show any live data, just a ? for each value .
Any particular reason why this is so? Just curious !

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Replied by pscan.uk on topic No tuning ability for MEMS 3 unlike MEMS 1.9

Posted 1 year 6 months ago #200769
Live data should work in BMW mode.

If you want to tune a MEMS3 you need to remap the ECU. SAWs tuning have a way to do that remotely using your pscan.

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Replied by Johnny the Fox on topic No tuning ability for MEMS 3 unlike MEMS 1.9

Posted 1 year 5 months ago #200833
Thanks for the reply, the issue seems to have resolved itself, with the tuning options becoming available.
I have seen the SAWs tuning option too, I assume you upload your standard map to them and then download the new one ?

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Replied by pscan.uk on topic No tuning ability for MEMS 3 unlike MEMS 1.9

Posted 1 year 5 months ago #200842
yes

They made a video here


and instructions here https://www.sawstuning.co.uk/pscan/
The following user(s) said Thank You: Johnny the Fox

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