BMW M54 Valve Spring Compressor
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Valve Spring Compressor for M54/52
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Updated at source:
Model information
- Source
- Printables
- Category
- Automotive
- License
- GNU General Public License v3.0
Version 4 added 8/13/25 but is untested.
This is a simple valve spring compressor tool I designed for the M54/52 cylinder heads.
I printed this in Overture PC on a Bambu Lab X1C in draft mode (0.28mm layer height) with 4 perimeters and 100% infill and I recommend using these settings, although I printed one with only 20% infill and it also held up just as well.
I think PLA and other materials would also be suitable at 100% infill but I haven't tested it.
V3 is slightly revised from v2 with a 5mm reduction in height and with more clearance to accommodate the cam tray locating rings around the base of the studs in each corner of the head but I haven't tested v3 yet. Edit: v3 confirmed to work, print this instead of v2
Recommended Print Settings:
- 0.28mm layer height
- Supports from build plate only for v3, none for v2
- 4 perimeters
- 100% infill
The washers seen in the photo aren't necessary, at least with PC. I stopped using them after the first pair of valve springs and the tool held up fine.
Wear safety glasses!!