I bought a used 2008 jetta 5 years ago from them, ...

I bought a used 2008 jetta 5 years ago from them, the salesman was pleasant and mentioned that it had a lifetime engine warranty no matter what happens it would be covered as long as I owned the vehicle. The engine recently crapped out and I'm told it's not covered under their lifetime engine warranty because
I replaced the crappy stock coil packs with coils from a different model vw that is known to be far more reliable. Even vw techs agree. So I decide to see about buying a new vehicle from them hoping they can at least give me a decent deal. I find the car on their website and ask if they can transfer it to a more local dealership for me. They refuse saying it costs far to much to transfer a vehicle. So I find an identical car at simmons and Rockwell that's also at another dealership. They transferred the vehicle from a dealership 2 hours away, to my local dealership and I Paid 1k less than what maguires could do. 5gs and the keys? Yea right they don't live up to their word in any fashion.