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#1
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Rain sensor : strange behaviour
Yesterday I had to take a long trip in the rain and I noticed that my rain sensor acts strange, to say the least. I was raining very light, so initialy the wipers went on for about every 6 or 7 seconds. Perfect for me. But then, after a couple of minutes, they started wiping constantly, even in the same rain conditions. Only when passing through a tunnel, they stopped. The sound of hearing the wipers going over a dry window is pretty frustrating. When I turn off and on the sensor system again, it all works fine, but again, a few minutes later, it starts again ... Any of you have/had the same experience ? Thanks!
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BMW E70 X5 3.0d - Spacegrey - Aero pack |
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#2
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I find the rain sensor regardless of the sensitivity setting is far too sensitive.. it also seems to be somewhat speed dependant... I don't use auto as a result...
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#3
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Maybe that is the reason yes, far too sensitive. I wonder if this is programmable...
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BMW E70 X5 3.0d - Spacegrey - Aero pack |
#4
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speed sensitive - perhaps you were going faster at those times? I've got my dial setting to lowest most times because it can get to be too much - so when it does rain harder, I have to adjust it upward sometimes... not as automatic as I'd like.
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'08 X5 3.0si - Alpine White / Saddle Brown interior Specs: Sport Pkg, Premium Pkg, Tech Pkg, Comfort Access, Aero Kit, Style 433 staggered 20s on Conti DWS Mods: Carbon 35 tint, LED angel eyes, GP Thunder 7500k fogs, H&R 20mm/25mm spacers, clear reflectors, gunsmoke-tinted taillights Coded: Digital speedo, windows/sunroof/tailgate close via keyfob X5 pics at Flickr |
#5
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Yes, I'm rather disappointed in the rain sensing wipers. The rain sensing wipers on my 2004 Z4 are perfect... it seems to always wipe at just the right time and I never have to adjust it. I was looking forward to the feature on the new X5, but I find it much inferior to the Z4 for some reason, i.e., not much more convenient than normal manually adjustable interval wipers.
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#6
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Question:
Is the sensor beneath the rear-view mirror smart enough to 1) Feel the drops so it's knows it's raining only 2) Counts the number droplets on the sensor per time interval so it knows how hard it is raining thus adjusting the wiper speed If number 2 is true, then why the hell do we need to speed adjustment dial on the stalk? My old e39 didn't have the fancy sensor, but it was smart enough that when I sit at a stop light, the wiper speed would reduce from slow to intermittent so it's not wiping constantly.
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4.8|Sport Pkg|Prem Pkg|Cold Weather|Nav|PDC|Comfort Seats|Nappa Leather|Convenience Pkg|Rear Climate|3rd Row|HUD|SAT Radio|HD Radio|Dual-Monitor Rear DVD Player. |
#7
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Quote:
A speed adjustment would simply alter the interval between wipes on a time interval basis, independent of how much rain is falling. A sensitivity adjustment essentially alters the amount of rain between wipes, and therefore should speed up and slow down as it rains more and less. |
#8
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I was impressed with the rain sensor during yesterday's first snow. When I left the office last night, I stopped at the driveway, and a bunch of wet snow slid down to the windshield. When the wipers encountered this, they went into rapid mode for a few swipes to get rid of the snow, then went back to slow mode. This happened a couple of times getting home. Pretty impressive.
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HP gets you to speed, Torque keeps you there ! 1928 Model A Coupe 1957 MGA SOLD 1994 MBZ SL320 2007 Acura RL 2010 X5d 11/13 PCD |
#9
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Quote:
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#10
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i also find it very annoying compared to my e53...
sometimes its too frequent, sometimes you just wish that it would wipe more... lol...
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