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BMW Z4 Electrical Problems

32 messages,  Last post on Dec 04, 2009 at 3:20 PM

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What is this discussion about? BMW Z4, Coupe, Convertible

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#23 of 32 Re: Power roof [steve_m] by Mr_Shiftright HOST Jun 06, 2009 (2:13 pm)
Replying to: steve_m (Jun 06, 2009 11:19 am) My experience has been that the "better" dealers, who are cosier with the factory, are sometimes given extra discretionary funds for "good will". Replies to this message: jdecola (Jul 21, 2009 9:29 pm) Mr_Shiftright (Jul 22, 2009 7:00 am)
#24 of 32 Re: Power roof [Mr_Shiftright] by jdecola Jul 21, 2009 (9:29 pm)
Replying to: Mr_Shiftright (Jun 06, 2009 2:13 pm) This is only an observation, just recently I have had this same problem of the top not opening or closing when pressing the appropriate buttons.   Now the interesting thing is that I am also having problems with my outside temp sensor. I keep the car outside uncovered ( I know, horrors...) and when it's been very wet and damp outside and I start the car, the temp sensor indicates -40 degrees. As the car warms up and I drive the temp rises to almost normal, and then may drop again.   Now mostly this is annoying, but I noticed that when the temp was in the neg range the tops wouldn't work. But when the temp went up it did.   While I was reading the manual on how to put the top up manually, it mentioned not operating the top if it was below -10 (or so). So other than it may be a general short in the system that is also affecting the top, couls it be a temp interlock that prevents operating the top in really cold temps to prevent cracking?   Sorry for being so long winded... Replies to this message: Mr_Shiftright (Jul 22, 2009 7:00 am)
#25 of 32 Re: Power roof [jdecola] by Mr_Shiftright HOST Jul 22, 2009 (7:00 am)
Replying to: jdecola (Jul 21, 2009 9:29 pm) I certainly wouldn't put it past the Germans to design something like that and forget to tell anyone.
#26 of 32 Re: Power Steering Shutdown in Z4 [ahva] by induscreed Sep 11, 2009 (7:54 am)
Replying to: ahva (Mar 03, 2008 7:05 pm) Hi,   I had the same issue today coming into work. I have a 2005 Z4 and live in northerN VA. The power steering light came on abruptly thrice and shut of the electricals in the car i.e. the nav screen folded in and up suddenly. Something tells me I need to be on the lookout for a hefty bill...please advise as to how you remedied this problem and the cost (if you don't mind). Thanks! Replies to this message: jdecola (Sep 15, 2009 11:08 am) induscreed (Oct 19, 2009 7:30 am)
#27 of 32 Re: Power Steering Shutdown in Z4 [induscreed] by jdecola Sep 15, 2009 (11:08 am)
Replying to: induscreed (Sep 11, 2009 7:54 am) Well I'll let you know later this week, I'm bringing it in tomorrow to fix.   After I posted my original, I brought the car in for another problem, my fuel indicator was showing less then full on a full tank. There are two senders in the fuel tank (at least on my year) and one was bad. So they had to drop the gas tank to replace it (access ports in the trunk would have been a good design idea).   I think the final bill was over $1k, I don't remember the exact price (brain tries to protect itself after a traumatic incident).   I also had them fill the tires with Nitrogen, the car actually ran better with that (I'm not using run-flats). Replies to this message: induscreed (Oct 19, 2009 7:30 am)
#28 of 32 Re: Power Steering Shutdown in Z4 [jdecola] by induscreed Oct 19, 2009 (7:30 am)
Replying to: jdecola (Sep 15, 2009 11:08 am) Just following up on the Electric Power Steering issue, was the dealer able to diagnose and advise you on the problem? If so, what was the remedy and a painful question is of course the cost to remedy......
#30 of 32 Temp gague by jdecola Oct 19, 2009 (7:57 am)
Sorry for getting back so late on this. The temp sensor had a loose connection. They played around with it, and it appears to be OK. Thankfully only took 1 hr labor.   They did verify that the top is interlocked with the temp sensor, so, below 40 degrees top won't operate. Replies to this message: kperess (Oct 26, 2009 4:10 pm)
#31 of 32 Re: Temp gague [jdecola] by kperess Oct 26, 2009 (4:10 pm)
Replying to: jdecola (Oct 19, 2009 7:57 am) Wow, the Z4 has a top nanny along with speed nannies I live in the U.P. of Michigan and still have my M roadster out (about to back into the pole barn for the winter) and if it ain't raining or snowing the top is DOWN -- that's what heaters are for!   There is something exhilarating about driving top down in the late fall and early spring.
#32 of 32 Re: Power Steering Shutdown in Z4 [bauvois] by bobber3 Dec 04, 2009 (3:20 pm)
Replying to: bauvois (Jul 11, 2008 6:37 am) My 2004 Z4 developed "notchy steering" about 2 years ago with less than 15000mi. I took it to a dealer in Houston, TX while on a trip and they told me it needed a new battery which did nothing for the problem. I seldom drive the car and we took it to our winter home in FL and I took it to a dealer in Ft. Myers this week. The service tech. knew what the problem was as soon as I described it and told me I need a new steering column. I asked him to contact BMW to see if they would do the repair even tho the car is out of warranty it still has only 18000 miles. It was declined by the area rep. and I contacted BMW customer relations. The man I spoke to there was very cool and seemed mistrustful of my account and as if they have never heard of the problem. I asked him to contact the area rep. to fully explain my situation and he said he would do so and call me. He called today and says the dealership has offered to discount the repair 15%. BMW offers nothing. He also tells me I have no further avenue of appeal. I believe this is a design/manufacturing defect that is dangerous and should be repaired at no cost to owners. I certainly intend to contact every governmental agency I can find and would encourage every Z4 owner to do the same. Even tho your car may not be affected today it may start tomorrow and you will be facing a $3000 plus bill with a car company that doesn't know you. If anyone has any ideas please contact mebobcarnettatt.net.

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