Genuine BMW E36 Fuel Door Gas Flap Spring – 51171888374 – Fits 318i, 323i, 325i, 328i, M3

Does the fuel door on your E36 BMW flop around or not stay closed?

It's probably just a broken spring.

This is the genuine OEM BMW part, number 51171888374 (51-17-1-888-374).

It's the small but crucial spring that pops the fuel door open and holds it shut.

It fits a bunch of E36 models, including the 318i, 323i, 325i, 328i, and even the M3.

It's a direct replacement—just a simple fix that makes a big difference.

It's brand new, in its original packaging.

No warranty, but it's a genuine BMW part, so it's built to last.

If your gas flap is sagging or won't stay closed, grab this spring and get it sorted in minutes.