I have several VAG cars and perform changes at 5k, Liquimoly kits from FCP Euro, always use a quality OE filter such as Hengst, save your records and any reasonable buyer will understand.
First of all, change the brand of the oil filter and do the same test again. My recommendation is Hengst filters, same quality with Mann and Bosch, made in the same factory in Slovakia.
I have had good results with the Hengst. Recently ran a Hengst to 20,000 miles. It’s was a bit crispy but was doing just fine.
Hey, the Cabin Filter from Hengst ist the Company were i used to work like 4 years ago lol ????
It’s easy peasy to DIY at every OCI (5k mi or 6 mos whichever comes first, 2014 Mazda6 Touring 6MT). Been doing it, for decades (various makes; at times with an oil boy vacuum fluid extractor). Will be changing mine tomorrow. This time, will try Kirkland 0W20, with a German Hengst oil filter (identical dimensions/specs Made in Japan OEM Mazda PE01-14-302) plus Lubro Moly MoS2 (molybdenum).
Hengst filter in the stock box. Generally stock is best for air filters and the classic paper filters work better at actually filtering out particulates than performance ones.
Oil service has been done every 5K since then using Liqui Moly Molygen Full Synthetic 5W-40 and Hengst filters.
Another Hengst filter?
I've just experienced this same problem with my 2017 Buick. I have the UFI cap and the dealers used the Hengst filter 7 of the 9 times I had it changed at the dealer. Using a Hengst filter in the UFI cap results in the oil bypassing the oil filter all the time. The UFI cap expects the bypass valve to be on the filter and the Hengst filter just has an open hole there resulting in the car being run for about 50,000 of its 70,000 mile life WITHOUT an oil filter.
since vw started using the synthetic material i am very fond of using oem. ive never seen the synthetic material deteriorate or crush in the housing between oil changes. ive also seen the plastic on those types of hengst filters break apart and that scares me to use.
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