I had a Car Max extended warranty,I pretty sure I got my money's worth.If it broke it was fixed.I took my car to the dealer for all of the warranty repairs.
Carmax Extended Warranty >> Carmax Maxcare Cost | 2017, 2018, 2019 Ford Price, Release Date, Reviews

Carmax Extended Warranty >> Carmax Maxcare Cost | 2017, 2018, 2019 Ford Price, Release Date, Reviews

I bought an '08 X5 from Carmax and got their extended warranty and had no problems with getting the work done at the dealer, but they did have to call for approval and there is a deductible or each claim.
Carmax Extended Warranty >> Carmax Maxcare Cost | 2018, 2019, 2020 Ford Cars

Carmax Extended Warranty >> Carmax Maxcare Cost | 2018, 2019, 2020 Ford Cars