Electrical System Related Problems of the 1998 BMW M3

Table 1 shows two common electrical system related problems of the 1998 BMW M3.

Table 1. Electrical System related problems of BMW M3

Problem Category	Number of Problems
Horn Assembly problems	1
Battery Dead problems	1

Horn Assembly problem #1

Horn stopped working on 3 different occasions. Dealer attempted to remed problem. But, after 3 months horn would go out again. Last time dealer replaced the contact points. Also, half of the spoiler came off, bolts had fallen apart without warning, causing spoiler to fall off immediately while driving.

Battery Dead problem #2

Battery failure.

Electrical System related problems in other BMW M3 model year vehicles:

Trunk Wiring problems of the 2003 BMW M3
Trunk Wiring problems of the 2010 BMW M3
Wiring problems of the 2009 BMW M3
Wiring problems of the 2013 BMW M3
Power Door Locks Not Working problems of the 2002 BMW M3
Battery Cable problems of the 2009 BMW M3
Battery Cable problems of the 2011 BMW M3

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☤ M3 Defect Investigations