One problem related to battery cable has been reported for the 2003 BMW 325. The most recently reported issues are listed below.
2003 BMW 325i 4 door owned by me for 3 1/2 months destroyed in fire. BMW had sent letter to me regarding manufacturing problem & to bring into dealership for correction. Prior to problem, I did have have slow starting/cranking problems. Car brought into dealership on 2/21/04. On 2/23/04, driving fire started in right rear area of my trunk, near battery. Car totalled by insurance company.