Thinking of tuning diesel 958.
01-04-2016, 03:16 PM
#16
Originally Posted by endless_corners
To all the naysayers, do you have any idea just how many people have tuned the VAG 3L diesels around the world? A mild tune is not going to blow up the engine. I would focus on a DPF delete at the same time though.
01-04-2016, 03:28 PM
#17
Three Wheelin'
Your only option is to put the car back to stock and have a second ECU available to swap in if you have to have a CPO claim.
01-04-2016, 11:19 PM
#21
Three Wheelin'
There is no way to hide the tune except to buy a second ECU. They'll also notice that the exhaust isn't stock.
If you buy a CPO'd car, you have to basically keep it stock to retain CPO benefits. if you go with an aftermarket warranty (easy care or fidelity), they'll look to see if the mod might be causing the warranty issue, but they don't check for a tune. If you have a modded exhaust, for example, and you have a DPF issue, Fidelity or Easycare will probably deny the claim because the mod is on a related system. If you have a block failure, the aftermarket warranty rep may ask Porsche, or the tech, to check for a tune, but I haven't heard of that happening as of yet. But, if you have a modded exhaust and need control arms, the aftermarket company won't have a problem with the claim.
Porsche, et al, have worked pretty damn hard to ensure that customers aren't changing the operating parameters of the car while it's under warranty.
If you buy a CPO'd car, you have to basically keep it stock to retain CPO benefits. if you go with an aftermarket warranty (easy care or fidelity), they'll look to see if the mod might be causing the warranty issue, but they don't check for a tune. If you have a modded exhaust, for example, and you have a DPF issue, Fidelity or Easycare will probably deny the claim because the mod is on a related system. If you have a block failure, the aftermarket warranty rep may ask Porsche, or the tech, to check for a tune, but I haven't heard of that happening as of yet. But, if you have a modded exhaust and need control arms, the aftermarket company won't have a problem with the claim.
Porsche, et al, have worked pretty damn hard to ensure that customers aren't changing the operating parameters of the car while it's under warranty.
01-05-2016, 02:53 AM
#22
Rennlist Member
It doesn't sound like this guy is overly worried about the warranty. Honestly with a dpf delete and a mild tune the car will have lower EGTs and make more power and get better fuel economy when commuting. I dont see it being a longevity issue until you start turning up the juice. At that point you are looking at needing to upgrade the turbo to handle more boost. I'm also not sure how big the stock intercooler is. But all that is like stage 2+ stuff.