You should consider buying from FCP Euro. You can get the superior Mann, Hengst and Mahle filters for both oil, engine and cabin. AND they come with a lifetime warranty, so you can return them for store credit. If you want, you can even do it with the oil as well. There is an entire thread dedicated to this incredible program in the Euro Oils portion of this forum.
I don't return oil and coolant, but I do return every filter and worn out part I purchase from them...most recently a front steering center link and end links.
A few things I'll note that *can* cause drama on returns w/r to the LRG that I've had happen/issues with over the years. I've returned thousands of dollars worth of maintenance and repair supplies so I'm not complaining, but I have had a few argu...er...discussions with their nice CS folks. To make this a simple process:
If you buy a kit (oil change for example), always best to buy another as a replacement vs. buying individual pieces as replacements against the kit pieces. Example. LM kits for my Passat. I switched over to HPL but still use the filters/drain plugs so had bought...