Replace it with the upgrade "whiter" color ones. The upgrade bulbs are a true plug and play. Make sure the vendor you choose has all the necessary wire jumper/mod connections included as the different connectors and require a mod wire connection. (Read the word splice)
I too have a left over AE bulb if you need one. Life span left = who knows.
Example
Umnitza ICE V6 (N) BMW LED Upgrade Angel Eyes (WL)
$99.99
Title: Umnitza ICE V6 (N) VERSION (WL) ( I ntegrated C olor E nhancement) A a new product that transforms HELLA's patented luminescent ring technology to a...