I have got a 2018 CX5 Sport Nav Petrol so it has a Bose Sub in the boot. Having purchased the spare wheel kit I set about fitting it tonight and found that this piece part no. TK48-56-135A doesn't seem to fit anywhere?
If I install it below the wheel it makes the wheel sit too high so that the retaining bolt isn't long enough and I guess it's pointless on the top as it would restrict the sound from the Sub.
My guess is I am supposed to remove the factory installed green insulator stuff stuck to the floor?
Admin Note : Please read this http://mazdacx5forums.co.uk/index.php?topic=64.0. Specifically post dated 29/9/2015 Thanks