Starter Noise on my 04 530i
06-15-2014, 09:05 AM
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Starter Noise on my 04 530i
My starter began to act up a few weeks ago. It began taking longer to start with each crank and began to make a noise (not the typical clicking noise a starter makes). The car would normally start with a quick turn of the key. Now it takes about 5-10 seconds to start. I had the starter removed and checked but found no issue with it. The mech also put in a new starter and found the starter noise was still there. The new starter also took a few extra seconds to start the car.
I had the battery and alternator checked out and they are in good shape.
Anyone have any thoughts?
I had the battery and alternator checked out and they are in good shape.
Anyone have any thoughts?
06-15-2014, 07:59 PM
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I haven't had this problem in my BMW, but I did have this problem on a couple previous cars.
One was a Nissan Maxima with manual transmission. The clutch interlock relay would get weak after a couple years and the starter acted like a bad starter. Similar symptoms as you describe in taking some time to get the starter to engage properly. After replacing the starter without fixing the problem, I changed the relay and it just worked fine. Happened again a couple years later and I changed the relay first and it was fine after that.
Worked on a friend's car and it turned out to be a weakened fusible link. That is a piece of wire that acts like a fuse if too much current goes through it. That one took some time to debug because the voltages were all there, but we finally saw a significant voltage drop when starting the car. We then jumpered over the fusible link and it worked fine so we replaced the fusible link.
I haven't messed with the starting system on the E60, but I'm guessing there is a relay that is energized when you turn the key. That relay then gives juice to the starter solenoid which give the main juice to the starter motor. Maybe that relay had a fuse??
If you've replaced the starter, it is reasonable to assume that the starter and starter solenoid are ok. Sure, it is possible they were defective out of the box, but I doubt it.
Given that, you are having a problem with either the proper current getting to the starter solenoid and/or the starter motor.
Maybe someone can chine in about any experiences and part locations.
One was a Nissan Maxima with manual transmission. The clutch interlock relay would get weak after a couple years and the starter acted like a bad starter. Similar symptoms as you describe in taking some time to get the starter to engage properly. After replacing the starter without fixing the problem, I changed the relay and it just worked fine. Happened again a couple years later and I changed the relay first and it was fine after that.
Worked on a friend's car and it turned out to be a weakened fusible link. That is a piece of wire that acts like a fuse if too much current goes through it. That one took some time to debug because the voltages were all there, but we finally saw a significant voltage drop when starting the car. We then jumpered over the fusible link and it worked fine so we replaced the fusible link.
I haven't messed with the starting system on the E60, but I'm guessing there is a relay that is energized when you turn the key. That relay then gives juice to the starter solenoid which give the main juice to the starter motor. Maybe that relay had a fuse??
If you've replaced the starter, it is reasonable to assume that the starter and starter solenoid are ok. Sure, it is possible they were defective out of the box, but I doubt it.
Given that, you are having a problem with either the proper current getting to the starter solenoid and/or the starter motor.
Maybe someone can chine in about any experiences and part locations.
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