I recently had a component in my VANOS on my E45 M3 go bad, oil pump disc bearings disintegrated.
I switched off the engine as soon as I noticed the problem, but not sure how long it was going on for before it failed. All the debris has found it’s way into the oil pan now, but when I looked at the oil filter, I could see small metal fragments on the outside of the filter.
The post filter oil looks ok to the naked eye, but under a microscope I can see tiny particles of metal.
Question is, how dangerous are the fragments that have managed to get through the filter?
I plan to do a bottom end strip down of the engine, clean out oil pan and oil pump. Going to change rod bearings, but with engine in the car can’t change mains.
Try to clear out any visible debris, then run it in fresh oil idling for 30 mins then drop the oil and put in fresh oil and filter. Run that for 100 miles or so then change again.
Do you think that would be enough to flush out any remaining fine metal particles before the destroy anything major?
I switched off the engine as soon as I noticed the problem, but not sure how long it was going on for before it failed. All the debris has found it’s way into the oil pan now, but when I looked at the oil filter, I could see small metal fragments on the outside of the filter.
The post filter oil looks ok to the naked eye, but under a microscope I can see tiny particles of metal.
Question is, how dangerous are the fragments that have managed to get through the filter?
I plan to do a bottom end strip down of the engine, clean out oil pan and oil pump. Going to change rod bearings, but with engine in the car can’t change mains.
Try to clear out any visible debris, then run it in fresh oil idling for 30 mins then drop the oil and put in fresh oil and filter. Run that for 100 miles or so then change again.
Do you think that would be enough to flush out any remaining fine metal particles before the destroy anything major?