search for Junkman on youtube! follow his instructions and your car will be show car quality all year round.

 

I don't care for the black box, simply because it's full of fillers, and not really "fixing" the problem. Yes, it's going to reduce swirls, but it's just filling them, not polishing them out.

 

So on our new 11's ,if there is no evidence of rail dust (I have white),what would you use to take the factory wax off? Would you then clay bar anyway?
Whats your opinion on using a sealant (like Zaino) then topping with a Carnuba?

 

I would still start with a good wash & clay yourself before you do anything. You most likely won't have to polish unless you bought it off the lot and it sat, which might have signs of etching/water marks that need to be treated, but I would definitely strip the paint of any protectant before you apply your own.

I've never used Zaino, but in reading, it's a somewhat unique system. You can layer their products more than others, and if you follow their directions, it seems to be fool proof.

If you choose to go with a sealant, following up with a wax is a good choice. The carnauba wax will enhance the depth of shine quite a bit.