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      10-08-2011, 09:27 AM   #1
Mtres
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PT-CAN BUS wiring. Help please!

Hi,

I'm fitting a data logger on my E90 M3 (02/2009 build).
I need to give it access to PT-CAN information, but I've searched for countless hours and I still cannot find a definitive answer as to where to tap in.

I have a friend who has worked on a M3 GT4 and he says there were two loose CAN lines available on the right hand side of the car (near the gear lever) which he used for the same purpose.

I tried to find them on my M3 without any luck

However, I did find a loose two wire plug (orange/blue & brown) hanging from the wiring loom that goes behing the JBE module.

I find it strange that it could be a CAN plug, since I're read people talking about custom harnesses and taping in the JBE connectors.

So, who has done it? Do I need to tap in one of the JBE plugs? Which pins please?

I promise to write up a DIY afterwards

Thanks in advance.
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      10-08-2011, 12:12 PM   #2
Mtres
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Still digging some more info.

According to the performance steering wheel retrofit, it seems plug X14271 on the JBE is what I'm looking for.
Pins 1 and 2.

Wires should be Red + Blue/Red.

However, I don't know if the pinout is the same for the M3 vs regular E90 series.

Can anyone confirm?
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      10-15-2011, 05:50 AM   #3
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For the record: I have confirmed PT Can data on pins 1 and 2 on the X14271 plug.
I'm still setting up the data logger.
I'll post a DIY soon.
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