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Originally Posted by bell407
O.K. first chip tuning means factory warranty is void. The tuners sell a different guarantee for that, but I think thatīs not available for the US.
I would not recommend a tuning as the system (Gearbox, differentials etc.) will suffer and life time will be reduced drastically drastically.
When you read 93 Octane in the US, itīs the MOZ rating. In Europe , we use the ROZ rating. 93 MOZ is quite equal to 98 ROZ, which is called Super plus in Europe. The ordinary Super is 95 ROZ meaning 91 ROZ in US.
Hope that helps...
So long
Christian
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While I cannot argue about the statement regarding the void warranty (mostly the situation in the US), lets examine the matter a little deeper.
For fact, VW sells "OEM" chip tuning for Passat 2.0D to get 170HP out of a 140HP model. They are selling currently a Passat 2.0D 170HP model as new, replacing the older 140HP model... The price difference is the same as you would pay for the factory chip tuning. Interesting.... What happened? They chip tuned the earlier model to get a more powerful new one. And they sell the higher HP as an aftermarket option for those with the older model. Same chip tuning in both cases. How about the warranty then at VW? (If we take seriously that chip tuning in general make the system suffer...?)
If we believe a chip tuning would affect parts, such as gearbox and such, we must also assume that BMW uses different parts in various models with different HP. I doubt that, mostly in case of 3.0d vs 3.0sd. They add one more turbo charger, thats all. It wont be a profitable business to produce different parts to all models. Then they charge a lot more for the extra HPs. Why on earth would they allow similar HP gains for those who never paid the premium price of the sd? But at least they add a turbo charger, not just a hefty price tag for a chip tuning making their models different, as Saab or other makers do.
Lets take the infamous run flat tyre issue: if the run surface gets punctured, there is no reason to believe the tyre cannot be repaired just like any other tyre, as it is the reinforced side wall that has to remain intact.
Despite, most of the run flat makers claim the tyres cannot be repaired - selling a new copy after each nail puncture is apparently much better business for them. Having received the warning of the maker no tyre shop would dare to repair such tyre.
Using common sense, is it possible to repair a simple nail puncture of the run surface of a run flat tyre if the side wall is intact? Yes.
Now what to do if you want to get near to the HP of an sd in a 3.0d?
Most of the chip tuning kits come as attachable device, meaning you can dismount it and restore the original situation without any changes being visible for the eyes of the service personnel. So your warranty will be void only if you would forget to remove the kit box before visiting the workshop.
Customers just have to think more if they want to pay less.
I cant see how the ROZ vs MOZ thing contributes to chip tuning.