Quote:
Originally Posted by Ricky Bobby
At 10 years old and probably with many km of usage on them, they are probably at about half their original brightness.
Replace the pair with OEM Philips or Osram bulbs at 4300K (under $100 for the pair) and trust me you will see a big improvement.
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RB, you were absolutely correct. I installed the Osram bulbs and the difference really was "like night and day". Here's a picture of one of the original bulbs where you can see the cloudy portion right in the center of the lamp - evidence of the deterioration.
2002 X5 273,000 miles
2004 325i 118,500 miles