Oil filter for Audi - Hengst, Mann, Fram, PurFlux, Bosch, Filtron, Mahle #4

Oil filter test
Part 4: Which oil filter has the most filter material? How many filters are in the filter?
The test includes 11 oil filters: Purflux, Sędziszów, Fram, Mann, Filtron, Muller filter, Hengst, Champion, Clean filters, Mahle, Bosch
All filters fit the Audi ABT - Audi B4 80 engine.
Summary: uszlachetniacze...
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The oil filters for testing were sent by Mr Rafał. Thank you