seat bushings

I am in the process of changing my seat bushings. While in the process of removing the seat, this little bit of plastic fell out. Could someone tell me where this goes or tell me that it’s just a bit of rubbish (there’s plenty of it lol) that came from under the seat and I can throw it out...

Hello, I'm a new "kid" from Indiana, USA. I recently gave up my motorcycle habit (not as durable as I was 45 years ago) and have acquired my brother's Z3 3.0 Roadster. He had put 47K on it, but kept it in a heated garage for 15 years, with the top down. It still has the original wiper blades and...