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Review on Mobil 1 M1-210A Extended Performance Oil Filter - Ultimate Engine Protection Upgrade by James Roper

Revainrating 1 out of 5

Bypass valve failure

I usually like all Mobil 1 products. Recently changed oil and filter (5000 km). When I took out the filter I noticed that the filter was empty (you could see it was clean inside). After much reading and checking with a mechanic, the likely problem is a defective bypass valve on the filter. Net, if you buy a "premium" filter for 20,000 miles, don't expect such a rejection. I know perfection isn't always possible, but in this case I was lucky. I hope that there will be no long-term consequences from this.

Pros
  • Trial period for one year
Cons
  • Frequency