WINDSHIELD WIPERS

  • Tiny
  • MARKO
  • 2004 BMW 530i
  • 6 CYL
  • 2WD
  • automatic
  • 106,000 miles

WIPER STOP AT WORST POSSIBLE TIMES. THEN RESTART LATERON ETC, WHERE DO I FIND THE WIPER RELAY?

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Thursday, December 2nd, 2010 AT 3:21 AM

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  • Tiny
  • fixitmr
  • Member

Wiper motors in cars are usually isolated from body with rubber bushing/mounts to prevent transfer of noise to car body. The problem with this is some kind of ground is necessary to make motor work. Usually a wire strap of some kind. This can become non/partially conductive for various reasons and cause intermittent wiper operation.

The rely should be under the passenger side air filter. Remove the filter and unscrew the relay cabin.

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Thursday, December 2nd, 2010 AT 4:01 AM
  • Tiny
  • Dr. Hagerty
  • Expert
  • 9,717 posts

The general module has control of the wipers. A scan of the car with the proprietary BMW scan tool called GT-1 is recommended to uncover the root cause.

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Thursday, December 2nd, 2010 AT 1:35 PM

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