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Coupes & Convertibles BMW Z4 BMW Z4 Electrical Problems
32 messages, Last post on Dec 04, 2009 at 3:20 PM
You are in the BMW Z4 Forum. Your Host is claires
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Replying to: jen4227 (May 14, 2007 9:12 am)
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| I have a 2003 Z4. I have had problems in the past with the power steering shutting off occasionally, when taking sharp turns, Replacing the sensor unit in the steering column took care of that. Now the power steering is shutting down driving straight. I have had the car in for service and the technician tells me that the EPS control unit needs to be replaced. According to the technician the control unit is completely integrated into the steering column, that is, the complete steering column needs to be replaced. This sounds like a major design flaw. Has anybody made the same experience? | |
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Replying to: ahva (Mar 03, 2008 7:05 pm) Many Z4 owners seem to experience this issue, if one goes by reading various forums on the 'net. Certainly NHTSA has heard about it time and again. |
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Replying to: kellerman (Jan 07, 2008 12:13 pm) BMW's response to this problem (I asked) is that they don't support the addition of any third-party products. |
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| Fuses are OK, is there a manual open/shut somewhere? | |
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Replying to: ahva (Mar 03, 2008 7:05 pm) I have the exact same issue with my Z4 (2003) and I nearly had 2 accidents already... BMW did reprogram the electric steering chip mechanism but I am still experiencing the same problem. This is very very dangerous... They plan to replace the complete steering mechanism, my car only has 60,000 km and I would like them to pay for the repair. Unfortunately they have a different opinion... Did you succeed to get an explanation or a document showing that this is a BMW known defect? Thanks and regards, Christophe
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I have a 2003 Z-4 with power convertible top. The top recently stopped opening or closing. I've been told that the likely cause is water intrusion into the roof pump/motor assembly as early model z-4's did not have this sealed properly. Has anyone else experienced this problem? Since it is a manufacturers defect is it covered by BMW even though my warranty has expired? What is the cost to repair? Thanks...
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Replying to: pocman (Jun 03, 2009 3:49 pm) if it's just the microswitch that shouldn't be too expensive, although it's hard to get out of a BMW for less than $300 it seems. SI B54 05 05 Special Roofs July 2005 Technical Service This Service Information bulletin supersedes Service Measure B54 202 04 dated May 2004. SUBJECT Convertible Top Fails to Operate MODEL E85 (Z4) SITUATION Customer may complain that the convertible top fails to operate. CAUSE The micro switch for the variable stowage compartment indicates that the compartment is not in the lowered position, due to incorrect adjustment or a damaged switch. CORRECTION On a customer complaint basis, check the micro switch actuation and replace the mount as required. PROCEDURE On cars produced prior to 2/03, replace the micro switch mount, part number 54 31 7 072 815, and if the micro switch is damaged, replace with part number 54 31 8 236 846. On all cars, check the actuation of the micro switch, and if necessary, use washers under the mount to get correct actuation of the switch.
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Replying to: Mr_Shiftright (Jun 03, 2009 4:00 pm) One of the best resources I've found that shows how to fix it (for the brave and talented) or at least shows you what the dealer will need to do and why the repair is so expensive is shipkillers site at: http://www.shipkiller.com/SofttopToubleshooting.html The best for showing how to clean the drains so it doesn't happen again is: http://www.zpost.com/forums/showthread.php?t=63033 Why the dealers pretend there is no problem is beyond me. It's the same with Dodge Durango PCM failures that the dealers pretend is an isolated problem, yet a simple web search shows you tons of people experiencing the same problem.
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Replying to: steve_m (Jun 05, 2009 9:46 pm) Well could be either TSB problem, right?
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