I know you have it already installed but for my two pence worth it looks good to me. Anything manufactured in germany is a sure-fire good bet.. For $240, even if you only get 20k out of one or two of the parts, its still cheap.

Just depends if you do it yourself or you pay the shop to do it. I think thats where the total price/longevity trade-off will come into effect..

Good luck I hope it works out for you.