wiring diagram needed for 525d 2004 front end please.
i lost the under engine protector in the snow due to a bump the previous day...
anyway i noticed my car says -40 degrees all the time.
so i took the bumper off and im missing wiring.
i have the wire loom coming from the side of the engine.
one wire goes to the pin style temp sensor which attaches to under the bumper.
then a switch which attaches to the vent behind the grill
then i have a wire mess with 4 wires going no where.
2 are blue with stripes
and the other 2 are red and black i think.
any idea what they do and what i need to fix it.
BMW want 900 for a new loom for the front.
HELP ME! please
anyway i noticed my car says -40 degrees all the time.
so i took the bumper off and im missing wiring.
i have the wire loom coming from the side of the engine.
one wire goes to the pin style temp sensor which attaches to under the bumper.
then a switch which attaches to the vent behind the grill
then i have a wire mess with 4 wires going no where.
2 are blue with stripes
and the other 2 are red and black i think.
any idea what they do and what i need to fix it.
BMW want 900 for a new loom for the front.
HELP ME! please
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Joined: Dec 2008
Posts: 727
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From: Bournemouth, UK
My Ride: Late 2005 M5 in Silverstone Metallic II with Full Black Leather Interior. SMG, LOGIC7, Heated Front Seats, Rear Electric Sun Blind, Comms Package, Professional Nav, TV Function, Extended Voice Control, Adaptive Headlights
My electrics knowledge is nowt, so I will leave this up to others! 
On another note, that snow this year was INSANE!! I live in Sandbanks in Poole, and the snow we had down here was extreme enough! Let alone up north in Leeds! I was up in Manchester one of the days when it was severe, and the M5 was NOT loving the snow at all! Got stuck 4 times!

On another note, that snow this year was INSANE!! I live in Sandbanks in Poole, and the snow we had down here was extreme enough! Let alone up north in Leeds! I was up in Manchester one of the days when it was severe, and the M5 was NOT loving the snow at all! Got stuck 4 times!
My electrics knowledge is nowt, so I will leave this up to others! 
On another note, that snow this year was INSANE!! I live in Sandbanks in Poole, and the snow we had down here was extreme enough! Let alone up north in Leeds! I was up in Manchester one of the days when it was severe, and the M5 was NOT loving the snow at all! Got stuck 4 times!

On another note, that snow this year was INSANE!! I live in Sandbanks in Poole, and the snow we had down here was extreme enough! Let alone up north in Leeds! I was up in Manchester one of the days when it was severe, and the M5 was NOT loving the snow at all! Got stuck 4 times!
ye my issue was run flats are ice skates in the snow.
i slide into a pole. not fast but enough to reshape the re inforcer and the bumper.
leeds was not too bad for normal cars just rear wheel front engine motors.
thanks jon for checking to see of you did know.
Senior Members
Joined: Dec 2008
Posts: 727
Likes: 0
From: Bournemouth, UK
My Ride: Late 2005 M5 in Silverstone Metallic II with Full Black Leather Interior. SMG, LOGIC7, Heated Front Seats, Rear Electric Sun Blind, Comms Package, Professional Nav, TV Function, Extended Voice Control, Adaptive Headlights
Ouch... Not good.
No probs! Hope you get it sorted easily and as cheap as possible.
No probs! Hope you get it sorted easily and as cheap as possible.
Members
Joined: Jul 2009
Posts: 214
Likes: 0
From: Calgary, AB
My Ride: 2008 550i M-sport, retrofitted heated M-sport steering wheel with paddles, Sport-auto transmission
Do a quick internet search on "BMW WDS" (wiring diagram system) and a few online sites should show up which will cover your model year. The one thing you may need to do is install the adobe scalable vector graphics (SVG) software on your computer (used to view the wiring diagrams). The system is a little tricky to use, but you get used to it after a little while. Alternately, there are downloadable DVD versions out there as well which are more complete/referenced, but the online one would work for most people.
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