Originally Posted by Len_Beach
the unit doesn't twist by a full 45 degrees to unlock as you would imagine, it twists by approximately 15 degrees but the last couple are very tight. I used an adjustable spanner to give me some additional leverage on the lugs.
Are you saying you didn't
twist the bulb into the base as far as the OEM bulb does, or you did
twist it all the way using an adjustable wrench?