okay here is the deal my 8 has only 19k on it , its a 2006 gt Mica grey.......and i started to change my oil at home due to dealers constantly overfilling it.....i change my oil every 3000km yes i am crazy but want my engine to run nice.....anyway the delare keeps on calling me saying i have a 24 k service coming up and oild change i told them i dont have 24k yet and my oil was changed so......my though is will any off this void the warranty???

 

No...........but keep all your receipts and dates at which you did it.
Make a file somewhere.
What I do is use the site www.mazdausa.com owners section and list everything I've done to the car and when.
BUT........I also keep each and every receipt.