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Bmw E30, E28, E21 - sun roof handle knob (OEM: 54 12 1 859 594)

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Creation quality: 5.0/5 (1 vote)
Evaluation of members on the printability, utility, level of detail, etc.

  • 2.2k views
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  • 19 downloads
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3D design format
STL Folder details Close
  • BmwE30_sunRoofHandleKnobCover_6mm v8.stl
  • BmwE30_sunRoofHandleKnobCover_8mm v9.stl
  • BmwE30_sunRoofHandleKnob_6mm(54 12 1 859 594) v14.stl
  • BmwE30_sunRoofHandleKnob_8mm(54 12 1 859 594) v10.stl

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Last update 2023-06-07 at 14:41
Publication date 2023-05-09 at 01:28
Design number 1210937

3D printer file info

3D model description

Bmw E30, E28, E21 - sun roof handle knob (OEM: 54 12 1 859 594)

The old knob has a wear of 30+ years. It may drop down sometimes, or break, or lost.

Original cap can be used (in case of 6mm handle version!). Printed cap can holds by tight, but i made a small hole for the neodymium magnet (d4/h3).

Washer:
- for 6mm rod: original washer can be used. Or use some "outer D 10mm/inner D 6mm/heigh 1mm" washer.
- for 8mm rod: 12mm outer diameter; 8-8.5mm inner diameter; 1-1.5mm height.

Also retaining ring. Can be used original, or you can make a lock thing from some small paper staple handle (see the pictures for example).

Doesn't need any paint job. Use black material, then sand it with 180-220grit, and then with 500 (wet). You can see result at the pictures.
Perfectly fits on handle, holds, and great works!

Attention!
There are 2 handles versions exists. 6mm rod and 8mm rod. See the third photo to know how to determine which version you have.

3D printing settings

Infill 100%
I used 0.2nozzle, 0.1 layer height

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