Well i was at pep boys gonna get some stuff to clean up my x5 when i got my new wheels and two things caught my eye..

the meguiars NXT line (which is now my fav.) has two tire shine products.. one is the tire dressing/spray and the other is called a tire "coating" i was debating the difference for far too long when i decided with the coating one, since ive never used one before.. the results were amazing.. i would recommend this product to anyone and everyone who likes shiny tires! I have pics of the results if anyone wants to see..

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03 X5 4.4i Sport
02 Boxster S (totalled-tree)
03 350Z Touring (totalled-flood)