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Home >> BMW >> 2017 >> M6 2D Convertible, Standard Trans >> Repair and Diagnosis >> Body & Frame >> Sun Roof/T-Top/Convertible Top >> Convertible Top - Repair - F12 >> Motor-Operated Convertible Top >> 54 34 100 Adjusting soft top

54 34 100 Adjusting soft top

Special tools required: 

NOTE: Observe 41 00... BODY GAP DIMENSIONS . for ideal adjustment of soft top in relation to body.
Convertible top fins must be vertical during the adjustment operation.
Convertible top is not screwed down during the adjustment operation.
The soft top can be adjusted in three directions: in height, longitudinal and transverse direction.
The soft top is connected to the body at both convertible top main bearings via three attachment nuts each and one adjusting nut each.
Fig 1: Overview Of Soft Top Screw Connections
G10047672Courtesy of BMW OF NORTH AMERICA, INC.

Overview of soft top adjustments: 

To make soft top adjustments, undo the adjusting and attachment nuts at the convertible top main bearings and remove washers.

The soft top height is adjusted by turning the banjo bolt. The banjo bolts have an outer thread that allows fastening them to the convertible top main bearing with the special tool 54 3 000 . Turning them in a clockwise direction lifts the soft top, anti-clockwise turning lowers the soft top.

Finally, it is required to check the soft top adjustment in relation to the cowl panel. The guide pins on the left and right should retract centrally into the guide bushes. If this is not possible, the entire soft top must be adjusted in the respective direction.

Height adjustment: 

Turn adjusting sleeves (1) to adjust height with special tool 54 3 000 .

  1. Adjusting sleeves and retaining pins for height adjustment
  2. Special tool
    • Turn counterclockwise = lower convertible top
    • Turn clockwise = raise convertible top
      Fig 2: Turning Adjusting Sleeves
      G04781251Courtesy of BMW OF NORTH AMERICA, INC.

Longitudinal and lateral adjustment: 

The elongated holes on the main bearing allow the convertible top to be adjusted in the longitudinal and lateral directions.

NOTE: After settling procedure, make sure there is a uniform gap between convertible top (1) and convertible top compartment lid trim (2).
Spaltmas = 3 ±2 mm
Fig 3: Identifying Gap Between Convertible Top And Convertible Top Compartment Lid Trim
G04781252Courtesy of BMW OF NORTH AMERICA, INC.

Fixing convertible top adjustment made: 

Lock inner bolt and tighten down adjustment nut (1).

IMPORTANT: Before the function check, ATTACH THE SOFT TOP  and adjust the side windows. See 51 37 154 ADJUSTING REAR LEFT OR RIGHT SIDE WINDOW .
Fig 4: Locating Adjustment Nut
G04781253Courtesy of BMW OF NORTH AMERICA, INC.