62 30 517 Adjusting head-up display (height adjustment)

WARNING: This page is about a different car, the 2006 BMW M6, 2006 BMW 650i, 2005 BMW 645Ci, and 2004 BMW 645Ci. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

NOTE: For special tools, refer to INSTRUMENTS - SPECIAL TOOLS - 645CI (E63) .

62 1 121
62 1 122

NOTE: The following text only describes how to adjust the height of the head-up display. How to correct a lopsided display (display adjustment) is described separately, refer to 62 30 ... ADJUSTING HEAD-UP DISPLAY (DISPLAY ADJUSTMENT) .

NOTE: Vehicles with head-up displays are fitted with special windscreens. These windscreens are marked with the letters "HUD" on the outside at bottom right below the seal (1). Prior to adjustment, fold seal (1) back and make sure that a correct windscreen is fitted.

Fig 1: Identifying Correct Windscreen Fitted

Courtesy of BMW OF NORTH AMERICA, INC.

Necessary preliminary tasks:

Check that windscreen bears the "HUD" label
Move steering wheel into maximum "lower" and "retracted" position
Unclip both sun visors from counter-supports and fold to one side
If necessary, cover windscreen (to darken the adjustment image)
Switch on head-up display.
Call up test image via diagnosis for height adjustment Switch on test image for max. 1/2 hour.

If test image is operated for a longer period, switch fan to speed 3 to avoid overheating.

IMPORTANT: Do not scratch windscreen when installing and removing special tool 62 1 121.

Carefully engage special tool 62 1 121 in both counter-supports (1) of sun visors.

NOTE: If special tool 62 1 121 is difficult to engaged, if necessary release its adjusting screws and turn/switch the associated locators.

Center special tool 62 1 121 and secure with adjusting screws (2).

Fig 2: Centering Special Tool 62 1 121 And Securing With Adjusting Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Check height adjustment using scale on special tool 62 1 121.

Fig 3: Checking Height Adjustment Using Scale On Special Tool 62 1 121

Courtesy of BMW OF NORTH AMERICA, INC.

If height adjustment is not correct:

Remove on-board monitor, refer to 65 82 050 REMOVING AND INSTALLING (REPLACING) ONBOARD MONITOR .
To avoid damage: apply fabric adhesive tape (1) in area of on-board monitor to decorative strip on instrument panel on right side (2).
Fit special tool 62 1 122 as illustrated on lock nut (3).
Release lock nut (3).
Correct height adjustment by turning eccentric.
Secure lock nut (3), tightening torque 18.5 N.m

Switch off ignition.