hello i want to give this upgrade a try but i have a few questions.
what is LCI and how do i know if i have LCI or not? my car is a 64 plate 435d
65509292248 is the part number on here. i have checked Ebay and here is a link to one.
http://www.ebay.co.uk/itm/1621638321...%3AMEBIDX%3AIT
when checking the pictures i can see the 9292248 as the part number but where is the 6550 part in front of it?