BMW Fuel Cap Tether Replacement (Universal Fit)
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Functional replacement part for broken BMW fuel cap tethers. Tested on E90. Multi-part or single TPU print
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Model information
- Source
- Printables
- Category
- Automotive
- License
- Creative Commons — Attribution — Noncommercial
This is a functional replacement part for a broken or worn-out original fuel cap tether. It is designed to restore the factory functionality and keep your fuel cap securely attached to the vehicle.
I have personally tested this design on my own BMW E90 (2010), and it fits perfectly.
Compatibility
This replacement part is compatible with the following BMW models:
Series | Chassis Codes |
1 Series | E81, E82, E87, E88, F20, F21 |
2 Series | F22 |
3 Series | E46, E90, E91, E92, E93, F32 |
5 Series | E39, E60, E61, F07 |
6 Series | E63, E64 |
7 Series | E65, E66, E68, F01, F02, F04 |
X Series | X1, X3 (E83), X4, X5 (E70, E71), X6 (E71) |
Z Series | Z4 (E89) |
Mini | All compatible models |
Recommended Printing Instructions
This model is designed as a multi-part model, allowing you to customize the flexibility of the different areas. However, splitting is entirely optional depending on your preferences and available filaments.
Option 1: Multi-Material Split (Highly Recommended)
If you want the perfect balance between stability and flexibility (so the strap bends easily without being too floppy at the cap):
Front Part (The circle/cap interface): Print with TPU 64D (provides a solid, secure fit on the cap).
Rear Part (The strap): Print with TPU 95A (allows the strap to bend smoothly when closing the fuel door).
Option 2: Single Material
You can also print the entire model in one piece. If you go this route, I recommend using TPU 95A, as printing the entire model in TPU 64D might make the strap a bit too stiff for daily use.
General Settings
Wall Count: I highly recommend using 5 walls to ensure maximum durability and prevent the strap from tearing over time.