Genuine BMW Gearbox Oil Cooler Pipe Seal O-Ring – 2245358 / 17222245358 (13.4 X 1.78mm)

If you've got a BMW with an oil cooler line leak, this tiny o-ring might be the culprit.

It's a brand new, genuine BMW part.

The main part number is 2245358, and it's also known as 17222245358.

It measures 13.4mm in diameter with a 1.78mm thickness.

This little seal sits between the pipe and the engine or gearbox.

It also crosses with a few other numbers like 2245036 and 17211709461.

It's sold singly, so grab one (or a couple) for your repair.

Made in Germany, so you know it's good quality.

Don't let a small leak turn into a big mess—swap in this genuine seal and keep your fluids where they belong.