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      08-18-2019, 05:54 AM   #1
VladTheImpaler
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Question Help with CAN-Bus Immobiliser connection

Hi all,

I am interested in installing this immobiliser in the car. But it seems I can't map the cables described in the installation manual (see attached image) to the ones described in the TIS found here. Specifically what CAN1 and CAN2 buses are supposed to be? Are they PT-CAN and K-CAN2? Or something else entirely?

Would really appreciate any help
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      08-18-2019, 11:31 AM   #2
SteveX3M40i
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Hi,
You are a brave person trying to wire this unit into an X3!
The X3 has 4 K-CAN buses 2,3,4 & 5.
The factory alarm system uses K-CAN2 BUS
It has two dedicated power train CAN buses PT-CAN & PT-CAN2
it also has Ethernet, MOST & LIN buses.
It’s an extremely complex electrical system - like most modern cars
I would be very cautious adding anything to these CAN buses - it could cause glitches in vehicle operation and if your vehicle is still under warranty - the dealer might wash their hands if things start frying or going wrong.
New controller units are very expensive and need to be coded to the car - incurring high labour costs for fitting & configuration.
Cheers
Steve
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