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age 31
visits member for 3 years
seen Jan 25 at 21:18

Feb
15
comment 2007 BMW Z4 won't start when my phone is plugged into the cigarette lighter plug
I can't prove it for sure, but it appears that the phone charger must have a short in it or something. I used a different charger for a little while with no issues. I have recently sold the Z4 and bought an M5 and when I use that same phone charger in the M5 I get a "High Battery Discharge" warning on my dash. It's amazing that one little 12V charger could cause so many issues.
Feb
15
awarded  Scholar
Feb
15
accepted 2007 BMW Z4 won't start when my phone is plugged into the cigarette lighter plug
Jan
8
comment 2007 BMW Z4 won't start when my phone is plugged into the cigarette lighter plug
Sorry I really haven't had a chance to debug it too much, I found out I don't have a lot of things that plug into a cigarette lighter! I did try a different phone plugged into the same charger, with the same result. I know I have another charger somewhere, I just have yet to find it.
Nov
5
comment 2007 BMW Z4 won't start when my phone is plugged into the cigarette lighter plug
You know, that is the simplest idea, yet I never thought to try something else in the outlet... I suppose I could even try a different car charger to start with. I'll check that out.
Oct
26
comment 2007 BMW Z4 won't start when my phone is plugged into the cigarette lighter plug
This is a good guess, but after some more testing I really doubt this is the issue (unless this feature is malfunctioning). This morning I got in my car, put my phone on charge, turned the key (all within 20 seconds or so) and it wouldn't start. I tried a few times, and it wouldn't start until I took the phone off charge. The entire time the phone was reporting itself as being charged and the light on the charger was on.
Oct
26
awarded  Supporter
Oct
26
comment 2007 BMW Z4 won't start when my phone is plugged into the cigarette lighter plug
This sounds plausible, the weird thing is that it doesn't seem to shut the charger off though. If what you were saying was true, I'd expect the charger to stop working. Perhaps its a similar system and it's malfunctioning?
Oct
25
awarded  Student
Oct
25
asked 2007 BMW Z4 won't start when my phone is plugged into the cigarette lighter plug