Electrical System Related Problems of the 2004 BMW 545

Table 1 shows four common electrical system related problems of the 2004 BMW 545. The number one most common problem is related to the electrical system (five problems). The second most common problem is related to the wiring (four problems).

Table 1. Electrical System related problems of BMW 545


Recently reported Electrical System problems of the 2004 BMW 545

The Electrical System problem

My I drive or ccc has malfunctioned. At first the screen would turn on and off or freeze up. Finally the screen went blank. This unit provide the safety information of the vehicle. This unit also provides the communications such as bluetooth and hands free functions.   Read details...

The Wiring problem

Electrical wiring in headlights are disintegrating. The shielding is dry rotting and flaking off nearly every wire in both headlights causing them to malfunction during driving. Lights will cut off randomly. I�d imagine the wires are shorting out.   Read details...

The Alternator/generator/regulator problem

Drive moderately keeps popping up an service engine after getting BMW to check it an fix it also it won't crank sometimes but the battery an alternator is brand new but after it sit for hours it finally crank up, maybe it's an security issue but it's unnecessary   Read details...


Electrical System related problems in other BMW 545 model year vehicles:



545 Service Bulletins
545 Defect Investigations