Question about 2007 BMW X3 3.0si SAV
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Posted on Jan 02, 2017
SOURCE: rear wiper not functioning
it sounds like the motor or the connection to it get somebody to flick the switch while you wiggle the wiper arm dont use too much force if that dosent work its probably the connection block. if this helps please rate my answer. joe
Posted on Nov 21, 2008
make sure the back window is all the way up then try the wiper, if it still does not work then it is a sensor for the rear window (about $30.00) if you installed it yourself
Posted on Jul 21, 2009
I had the same problem. I thought it was an issue with a blown fuse, but also noticed that the rear wiper was very stiff.
I solved it by opening the rear window (so the wiper is not clicked into the motor) then squirt some WD40 into the wiper mechanism (I put the oil in from the outside). Gently move the wiper from side to side until it starts to free up - after a couple of movements the wiper should be moving freely again. No issues since.
At the same time, check that the washer jet is correctly angled. Mine was squirting directly into the wiper which may have caused it to rust up a bit.
Posted on Sep 13, 2009
You actually have a wiper relay this should assist you swap with another see if functions
Service and Repair
The wipers are controlled by two relays, located in the engine compartment fuse box.
These are wired in such a way that one relay will run the wiper when energized, and stall it when de-energized (Front Wiper-Run/Park Relay).
The other will select either fast or slow speed on the wiper motor (Front Wiper-Fast/ Slow Relay).
Posted on Jan 03, 2010
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