2006 4.4i non vented rear rotors?

[Gurltech]

Got the rear rps kit from ECS the rears are not vented and look thin.
Should I use?

The invoice states it is the rear kit but the brembo rotors are so much thinner than my oem's and the one they sent are non vented.

The front RPS kit is fine

ES# for the rear rps kit 1306740
ES# for front rps kit 1306686

Did any x5's come with solid rears from the factory?
If so I guess they can call them oem's but when I look on their site all I see is vented rears which made me think that is what I was getting.

I did google the rotor sku and it comes back as a solid for an X5...so bummed.
My friend and I worked on the car all day and this was the last part.

SKU# rear rotor 34216765458~brm

[motordavid]

Originally Posted by Gurltech

...
Did any x5's come with solid rears from the factory?

All Xs came with solid rears, and fronts, from memory.
The cross drilled look is about 99% cosmetic, imo, for a
street car.
GL, mD

[sethro]

The only time you will ever see an improvement in braking efficiency is when you are on the track. The reduced surface area will actually reduce the braking efficiency. Stick with blanks as drilled and slotted rotors will degrade your braking power in normal driving conditions.

[Gurltech]

Originally Posted by motordavid

All Xs came with solid rears, and fronts, from memory.
The cross drilled look is about 99% cosmetic, imo, for a
street car.
GL, mD

So the vented's were put on by previous owner, and the "solids" I have are the correct ones to use if I wanted as close to oem without buying from dealer.

By vented I mean fins sandwiched between two solid rotors.