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Hi there!

I'm currently looking at a used F80 M3 with Dinan Stage 2 Tune with the associated modifications (Axleback,X-Pipe, Intake, Heat Exchanger) and the dealer is able to CPO the car so it will have the basic CPO warranty. Was wondering if it is necesary to buy CPO Platinum? It would be an additional $3999 and if there are any issues, would it be hard for me to get warranty work done beause of the Dinan modifications - so would it be basically worthless?

Any help would be much appreciated as this will be my potentially first BMW! :)
 

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Be real careful and read all the paperwork with this one. BMW doesn’t normally CPO a tuned car. Even with the normal factory warranty, BMW will not honor a tune related issue, Dinan or otherwise. In this case, Dinan is supposed to foot the bill. However, the supplementary Dinan Warranty only applies to the original factory warranty of 4 yrs and 50k miles. To me, all of these throw red flags and I think the dealer is just trying to upsell a warranty on bad faith.
 

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I would steer way clear of this one. Speaking from experience, I would never buy a known modded car of this caliper. Way too many things to go wrong under normal conditions. If the car was modded, driven hard and put up for sale, I don't see the advantage unless this was a super bargain price. I would put no faith in the "warranty" as there are many posts about Dinan and warranty issues. The dealer is out to make MONEY. Both selling and servicing. I think you will get burned down the road. If this is your first BMW, I would say go stock, low miles and CPO if you can. Even having warranty work can be a pain, especialy when it has to keep going back because it's not fixed correctly. Not all repairs are rectified on the first trip. If they can squeak out of the warranty end of it, you can end up paying mega bucks and still be stuck owning a car that you may be affraid to drive because of the costs to drive.
 

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1. Dealer may CPO the car, and when BMW doesnt pay, dealer will be "Oh, our bad...click". dealer can lie to you, make a mistake, etc, etc, and your sole recourse is to sue the dealer. BMWNA will not help a bit.

2. Dont own a car you cant afford. A modded car is always a risk. And sometimes the risk is not 'engine will blow up' but rather "they cant figure out whats going on and they are replacing parts using my wallet". Dinan is marginally less rish, but stil.

3. Dealer may find "oh, BMW turned down the CPO when we submitted it after you closed the deal. Oh well.

4. CPO may go through but when issues come up, CPO will not cover it. Nor will Dinan.

5. As above if you need a warranty, but a stock car. Ride it out until the end of CPO (or until you are comfortable) and then go wild w mods
 

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Hi there!

I'm currently looking at a used F80 M3 with Dinan Stage 2 Tune with the associated modifications (Axleback,X-Pipe, Intake, Heat Exchanger) and the dealer is able to CPO the car so it will have the basic CPO warranty. Was wondering if it is necesary to buy CPO Platinum? It would be an additional $3999 and if there are any issues, would it be hard for me to get warranty work done beause of the Dinan modifications - so would it be basically worthless?

Any help would be much appreciated as this will be my potentially first BMW! :)
I have had Dinan modified BMW's for over 20 years and 200k miles (e540i/6sp; F80 M3 6sp). Never had a Dinan-related issue. Both cars were far more amusing courtesy of Dinan engine and suspension upgrades. Everything was installed by my then current BMW dealer. I would not be concerned about the Dinan tune and would consider it a positive.
 
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