It sounds the same as my engine around that point. I was paranoid the first time I did my valves and rechecked them 6K km later and only had one go out of spec slightly. My engine has sounded the same since day one. Maybe a little louder due to modifications.
Not an expert by any means but I have noticed that this engine is noisey and will drive you nuts trying to find noises. I don't think we did the valves wrong, and we checked each shim measurement a good 5 times and put them into spec. I am happy to read that others say the sound seems normal. Did you have BMW listen again after we did the valves?
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