One problem related to car will not start has been reported for the 2006 BMW 325. The most recently reported issues are listed below.
5/23/12 - vehicle would not start, needed to be jumped. Tachometer and speedometer would not function. Dealer charged battery - no fault codes found, all fuses ok, checked for power and ground - all ok. Dash cluster now operable. 6/6/13 - difficulty starting car - mileage 10151. Instrument cluster inoperable, fuel gauge, speedometer, fuel economy gauge, trip gauge reverted to almost zero. Dealer diagnosed, replaced and programmed instrument cluster, replaced battery, full maintenance performed - oil change, brake fluid, filters. Car now perfoms well - dealer did excellent turn around. Mileage reseet at less that 10151.