Oil filter K&N or Hengst
Oil service has been done every 5K since then using Liqui Moly Molygen Full Synthetic 5W-40 and Hengst filters.
My E550 gets M1 0W40 every 5k, with a new fleece Hengst filter. I don't drive it hard until I see past 80C on the water temp (I don't have an oil temp gauge- only the E63s do). Basically the same procedure I use on my S54 BMWs, and every performance car I've ever owned
If you're vehicle manufacturer has an extended change interval then this filter will work with that. Some Porsches have 20,000 mile changes intervals and this filter is able to last that interval. Do the oil change as is recommended by your manufacturer. The K&N oil filters are killer and treat your car well.
you can slap some new wheels on for a fresher look but obviously do this with number 2 in mind.
I have used K&N filter the entire time on my car. Owned it for almost 5 years and never had a problem.
I highly recommend getting the k&n oil filter having a socket ready filter saves so much frustration
I run Valvoline full synthetic 5w30 high mileage formula with a K&N oil filter.
Another Hengst filter?
I changed my oil yesterday and was baffled to see how dirty my oil was at 5k miles!! Those k&n oil filters may have higher flow but mannnn do they get dirty. Do not recommend.
Those KN filters are so tiny and I have had one break in my NA Ford Falcon so I don't use them any more.
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