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Old 05-25-2009, 07:13 AM
ipb100 ipb100 is offline
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Location: UK
Join Date: May 2009
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Mein Auto: BMW 320D SE
Replacement Windscreen with rain sensor!?

Ok, so I own a 320D SE based in the UK. So this car has a standard SE spec and it also has a Bluetooth Phone. I got the car about 6 months ago. It had done just over 10,000 miles. It was a good price, and it looked like a real bargain.

Since then I have noticed a lot of noise when travelling a high speeds, I do not want to say how high! The local BMW dealership have now carrried out a visual inspect and have told me that I do not have a genuine BMW screen fitted and that I need a " rain sensor trims fitted" to adjust wipers etc as well as replacing the screen. They say the screen is not fitted correctly ...hence the noise!

This is ok, except that I did not know I had a rain sensor. I do not have automatic lights as far as I know. So here is my question.

- How do I know for sure that I have a rain sensor?
- IS it possible to have a rain sensor but not have automatic lights?

Any information would be gratefully received


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Old 05-25-2009, 07:31 AM
hoopics hoopics is offline
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The rain sensor is a small window on the back side of your rear-view mirror mount. I'd check your owner's manual for the instructions on how to engage the rain sensor (I'm too foggy-headed at the moment to explain it -- there's a dial on one of the levers you twist up a notch), and then get a spray bottle with water and, after engaging the sensor on your windshield wiper lever, spray the sensor. If your wipers move, you have a rain sensor. If they don't, you don't.
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Old 05-25-2009, 08:00 AM
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mclaren mclaren is offline
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Mein Auto: 2014 M5
The rain sensor is mounted on the windshield directly in front of the interior rearview mirror and it is fairly large, it is obvious if you have one. It is activated by pressing the button on the end of the stalk that is used for turning on the wipers.
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Old 05-25-2009, 01:31 PM
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AzNMpower32 AzNMpower32 is offline
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Mein Auto: 2006 325i; 2015 Yamaha R3
An even easier way:

Look at your windscreen wiper stalk, and the button protruding. If it has a little LED, then you have the rain sensor. If not, you have the standard intermittent wipers.

I believe the rain sensor is paired with automatic headlamps. If you have an "A" setting at the 11 o'clock position on the headlamp switch, then you have automatic headlamp control.
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