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

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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.

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: Folding Seal Back

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 .
Switch on the test image for at most 1/2 hour.

When operating the test image for a lengthy period, switch the blower to stage 3 to avoid overheating.

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

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: Identifying Special Tool (62 1 121)

Courtesy of BMW OF NORTH AMERICA, INC.

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

If height adjustment is not correct:

Remove ON-BOARD 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 (adjuster) 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.

Fig 3: Identifying Special Tool (62 1 122)

Courtesy of BMW OF NORTH AMERICA, INC.