Car Data | BMW X5 4WD Late 2008 -
SmartCAN and ByPass Relay towbar wiring instructions for an BMW X5 4WD Late 2008 -
SmartCAN Fitting Guide
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The boxes below show key fitting details Cable entry point, CAN connection details, etc. Alphanumeric references (e.g. A4) refer to the car map at to foot of the page .
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Socket cable entry point
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M60
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Longer Cable Required?
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N/A
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Power Source
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Fusebox.
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Constant Live Colour
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Fusebox/Battery Location
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JR45
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Add Fuse
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Compatible SmartCAN Module/Kit
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TF2302, TF2352
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CAN HI/LO Location
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JR47 or B9 plug above brake pedal
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HI/LO Pins/Colours
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HI Orange/green, LO Green
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Hard Brake Connection
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JR45 Black/yellow
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Is Data Two Way?
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Yes
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Link to Recode Data
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N/A
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CAN also at B9.
Functions added automatically: C2 on dash; PDC; FCO.
Very early models: if, with CAN module fitted, air conditioning only blows cold when trailer isconnected, this is caused by a BMW software error. BMW will update coding.
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ByPass Relay Fitting Guide
Wire colours and locations, use LED type probe to confirm correct wire in given location.
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Notes
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If trailer brake lights latch on use relay reverse circuit for brakes. In diesels, low battery can cause bypass relay to tick: charge battery.
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Compatible ByPass Relay
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TF2218/7 Series
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Other Appropriate Relay
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TF2302. Kit:TF2351
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Lights
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Wire Colours
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Alternative
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Location
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Comment
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LH Flasher
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Blue/Green
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-
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JR48
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-
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Fog Light
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Yellow/Black
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Black/White
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JR48
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-
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RH Flasher
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Blue/Black
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-
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JR48
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-
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RH Side Light
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Grey/White
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-
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JR48
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-
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Brake Light
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Blue/Black
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Yellow/Black
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JR48
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Check correct wire
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LH Side Light
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Grey/Purple
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-
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JR48
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-
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Reverse
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White/Yellow
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-
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JR48
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-
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Car Map Diagram
