Engine sound produced by the n43b20 2 litre petrol engine installed in my e92 BMW 2011 year. Castrol magnatec 5w30 oil.

Is this a healthy engine sound do you think? What precautions can be taken to increase longevity of the engine?

Personally, 100% happy with car and engine - perfect combination of performance and economy. I want to preserve the engine and car in order to keep it for many years to come.

Average around 6/7 litres on motorway. Easy to keep at 50mpg mark.

All COMMENTS welcome!

Thanks :)

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