I'd like to have a few words with them 
Just got done doing my first oil change on my P5. What a PITA. If you plan on doing this MAKE SURE you have an oil filter wrench. Not the strap type, the type which is a little cap which fits over the end and accepts a ratchet handle. You aint getting this off with your hands. I finally was able to jerry rig my strap type filter wrench and get the filter off after about an hour of cussing. Must to my suprise no oil came gushing out of the filter which was nice. Looks like the filter is canted a bit which probably lets it drain nicely.
Anyhow, just a warning to the uninitiated. BTW, the cap type filter wrench you buy must be specifically for the Mazda filter...the Mazda filter isn't the same size as the Fram or whatever replacement you might buy at the parts store...just another heads up. You can buy a Mazda filter wrench here among other places: http://www.finishlineperformance.com/cgi-bin/shopper?preadd=action&key=M1001
My arms still hurt....

Just got done doing my first oil change on my P5. What a PITA. If you plan on doing this MAKE SURE you have an oil filter wrench. Not the strap type, the type which is a little cap which fits over the end and accepts a ratchet handle. You aint getting this off with your hands. I finally was able to jerry rig my strap type filter wrench and get the filter off after about an hour of cussing. Must to my suprise no oil came gushing out of the filter which was nice. Looks like the filter is canted a bit which probably lets it drain nicely.
Anyhow, just a warning to the uninitiated. BTW, the cap type filter wrench you buy must be specifically for the Mazda filter...the Mazda filter isn't the same size as the Fram or whatever replacement you might buy at the parts store...just another heads up. You can buy a Mazda filter wrench here among other places: http://www.finishlineperformance.com/cgi-bin/shopper?preadd=action&key=M1001
My arms still hurt....