N20 noises?

I drive a BMW 220i with the N20 engine. I know that the engine often has problems with the timing chain and now I hear noises that I'm not sure if they are related to this. My BMW has done 63,000 km so far and there is nothing unusual about it when I start it…

Rattling noise in the Audi A4 TFSI 1.8 120 hp, model year 2010?

Good morning! I recently bought an A4. After a short time, the engine started rattling. I then had the timing chain, tensioner, and guide rails replaced at a garage. The old chain was sagging, which caused a small area to scrape off the timing chain cover. Unfortunately, after the replacement, it still rattles. The garage…