61 61 010 Checking/adjusting contact angle of windscreen wiper arms on windscreen: Notes

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NOTE: Wiping quality is increased if the approach angle of the windscreen wiper arms is precisely adjusted.

Adjusting DIMENSIONS of wiper arms:

Reference points (A, B) are the mountings of the wiper blades on the wiper arms to the sealing lip (1) of the cowl panel.

Contact angle (C) is the angle between wiper blade center plane (2) and windscreen.

Fig 1: Identifying Dimensions Of Wiper Arms

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Remove wiper blade (1) from wiper arm (2).

Pin (3) is locator for special tool 61 6 100 .

Fig 2: Identifying Wiper Blade, Wiper Arm And Pin Of Special Tool (61 6 100)

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Slide special tool 61 6 100 onto pin (1).

Place special tool 61 6 100 on windscreen (2) and read off value in degrees on scale.

NOTE: LHD vehicles are covered by the scale range of 0 to -10 and RHD vehicles by the scale range of 0 to +10.

Fig 3: Sliding Special Tool (61 6 100) Onto Pin

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If the specified number in degrees is not correct, the wiper arm (1) must be bent with the special tool 61 6 110 at the point shown.

Fig 4: Bending Wiper Arm Using Special Tool (61 6 110)

Courtesy of BMW OF NORTH AMERICA, INC.