Yesterday, I tried to swap the new bulbs, however I found that the foot was different between 3157 bulb and 3357 bulb, so it is not possilbe to replace the original 3157 bulbs with 3357 bulbs. So damn!

__________________
--2004 E53 X5 4.8is - ECE version; right hand drive; Located in Hong Kong; ext. black sapphire metallic; int. leather black; adaptive dynamic bi-xenon headlights; 16:9 onboard monitor w/o navigation; 20" genuine BMW Y-spoke 214 wheels with Bridgestone Dueler H/P Sport tires; Int. rear view mirror w/ compass.