An `05 525 has what BMW calls conditioned based service. The car will alert you when these intervals are reached. The pads will require replacement when the sensor installed in the brake pads has worn to about 3mm of thickness. The oil service interval is due when a pre-determined amount of time/mileage/gas consumed has passed. The pollen filter is determined by time and how long the fan has run. Is this the information you needed?
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Tuesday, November 23rd, 2010 AT 3:08 PM