Car Data | BMW X5 4WD Late 2008 -
SmartCAN and ByPass Relay towbar wiring instructions for an BMW X5 4WD Late 2008 -
SmartCAN Fitting Guide
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.
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