Have been given 2 separate part numbers for a rear subframe, these being 91407501 and 91407500. Are there any differences between them as 91407501 is £500 cheaper than 91407500. Have been told I need the more expensive one!! Any thoughts and replies would be welcome.

Have you tried looking up your car on the forum ePER? You'll need your VIN.

Do you need a rear subframe? I have one from a 2004 model.