54 12 004 Adjusting Sun Roof

WARNING: This page is about a different car, the 2003 BMW 525i, 2002 BMW 525i, and 2001 BMW 525i. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: Do not move floating roof liner with force.
Follow procedure precisely because otherwise mechanism (guide) on slide/tilt sunroof cassette can be damaged. It then has to be replaced.

Ideal adjustment:

Gaps (A) between sunroof and front and back of roof of equal size.

Height:

Front - flush to 1 mm deeper

Rear - flush to 1 mm higher

Fig 1: Identifying Gaps Between Sunroof & Front & Back Of Roof

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Initializing slide/tilt sunroof,

refer to 54 0... NOTES ON STEEL AND GLASS SLIDE/TILT SUNROOFS (INITIALIZATION/NORMALIZATION/LEARNING OF CHARACTERISTIC CURVE)

Closing slide/tilt sunroof lid (zero setting).

Press button to open roof briefly (1) then stop again (2) (inching function).

Fig 2: Pressing Button To Open Roof Briefly

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The slide/tilt sunroof lid must now lower at back by dimension (A).

(A) = 2... 4 mm

Fig 3: Identifying Slide/Tilt Sunroof Lid Lowering Dimension

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CAUTION: Swift movement of the slide/tilt sunroof can damage mechanism (guide) of the slide/tilt sunroof cassette. Do not move floating roof liner with force.

Slowly slide floating roof liner right back (with clean hands, or wearing protective gloves).

Fig 4: Sliding Floating Roof Liner Right Back

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Closing slide/tilt sunroof lid (zero setting).

CAUTION: It is now no longer possible to move slide/tilt sunroof lid backwards (damage to mechanism).

Rear adjustment:

Unfasten nut (2) and replace.

Slide in adjusting wedges (1) on left and right until ideal setting is reached.

Press slide/tilt sunroof lid forwards, then tighten the outer nut (2) first of all.

Tightening torque. Refer to SLIDE/TILT ROOF AND CONVERTIBLE TOP - TIGHTENING TORQUE .

Fig 5: Sliding In Adjusting Wedges On Left & Right

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Front adjustment:

Loosen left/ right screws (1).

Push slide/tilt sunroof lid upwards or downwards until ideal setting is reached.

Tighten screws (1).

Installation:

Tightening torque. Refer to SLIDE/TILT ROOF AND CONVERTIBLE TOP - TIGHTENING TORQUE .

Replace removed screws (micro-encapsulation) or install old screws with Loctite 270 (refer to BMW Parts Service).

Fig 6: Identifying Screws

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Press button to open roof briefly (1) then stop again (2) (inching function).

Fig 7: Pressing Button To Open Roof Briefly

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The slide/tilt sunroof lid must now lower at back by dimension (A).

(A) = 2... 4 mm

Fig 8: Identifying Sunroof Lid Lowering Dimension

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CAUTION: Swift movement of the slide/tilt sunroof can damage mechanism (guide) of the slide/tilt sunroof cassette.

Pull floating roof liner forwards (with clean hands or wearing protective gloves).

Installation:

Check function.

Fig 9: Pulling Floating Roof Liner Forwards

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