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6 Series
The BMW 6 Series builds on BMW's sporty heritage with aggressive lines and an incredible motor to back the design up. Available in coupe and convertible trims with a standard 4.8 liter engine producing 360 horsepower and 360 lb-ft of torque, the 6-series is a popular choice that exceeds expectations.

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  #1  
Old 09-22-2010, 04:13 AM
Jasonau01 Jasonau01 is offline
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Dynamic drive failure

Anyone had experience of this??
Will this be a costly fix ??
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  #2  
Old 09-22-2010, 05:00 AM
six_four_five six_four_five is offline
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ive had this error come up 2 or 3 times ever since ive owned the car (ive owned it for 4months now) and it went away on its own. I dont know if this is a good thing or a bad thing? help please?
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  #3  
Old 09-22-2010, 08:30 AM
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I saw this in the manual while I was reading yesterday, and it says to pull over and restart the car to re-initialize the system. If it doesn't go out on its own after that, then you have a serious malfunction. If it disappears then you should be ok. If it stays on, then you have to go to the stealership.
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  #4  
Old 09-22-2010, 02:29 PM
six_four_five six_four_five is offline
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Quote:
Originally Posted by DBLAZE View Post
I saw this in the manual while I was reading yesterday, and it says to pull over and restart the car to re-initialize the system. If it doesn't go out on its own after that, then you have a serious malfunction. If it disappears then you should be ok. If it stays on, then you have to go to the stealership.
thanks for ur help dblaze...stealership haha i like that one
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1. 2004 645ci blk on blk coupe:
- 50% tint all the way around
- 22" Maya MRS 3 piece wheels
- magnaflow full catback system
- k&n filter
- All lighting is aftermarket...no stock bulbs!
- euro overlay
- tinted tails

2. 2006 Acura TL blk on camel - too much to list
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  #5  
Old 09-23-2010, 12:47 PM
vpett vpett is offline
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Angry dynamic drive failure

I was told by the dealer that it would cost 3,000 for the part not including labor he said that i should get rid of the car , four months after they sold it to me.
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  #6  
Old 09-23-2010, 11:49 PM
jusbo jusbo is offline
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You should check the hydraulic oil level, the one behind the coolant with CHF11S oil only written on it.
My 645ci went twice to dealer and they didn't notice it, after I topped the oil, I haven't got that error anymore.
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  #7  
Old 09-24-2010, 12:31 AM
Jasonau01 Jasonau01 is offline
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Jusbo: where to get that oil???
Can u post a picture of the oil n the location of the lid???
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  #8  
Old 09-24-2010, 05:46 AM
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pablo645 pablo645 is offline
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Here in the US the 11S fluid can be easily had from the major auto parts stores. Not sure if you can get it in HK Jasonau01 like that but it seems its readily available.
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  #9  
Old 09-24-2010, 11:10 AM
jusbo jusbo is offline
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Quote:
Originally Posted by Jasonau01 View Post
Can u post a picture of the oil n the location of the lid???

Here is the oil reservoir, it should be checked at 20 celsius degrees temperature and there is maximum level in the dipstick that is attached to the oil reservoir cap.
My car's oil reservoir was totally empty, there was oil only left in the pipes. I got that error on hard cornering in cold mornings.

You should be able to get the oil, if needed, from auto parts stores or BMW dealer.
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  #10  
Old 09-24-2010, 01:23 PM
six_four_five six_four_five is offline
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CHF11S is the type of oil?
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1. 2004 645ci blk on blk coupe:
- 50% tint all the way around
- 22" Maya MRS 3 piece wheels
- magnaflow full catback system
- k&n filter
- All lighting is aftermarket...no stock bulbs!
- euro overlay
- tinted tails

2. 2006 Acura TL blk on camel - too much to list
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  #11  
Old 09-24-2010, 01:33 PM
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pablo645 pablo645 is offline
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Quote:
Originally Posted by six_four_five View Post
CHF11S is the type of oil?
It's a Hydraulic fluid. Greenish in color. It comes in a green can I believe.
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  #12  
Old 09-24-2010, 02:55 PM
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amcrae amcrae is offline
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thats power steering fluid mostly likely u can only get from the dealer the cost is 40.00 or u can go to the dealer and they will top it off for free had my 05 645 ci done today
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  #13  
Old 05-21-2014, 06:56 PM
jb43saints jb43saints is offline
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I have a 2004 645ci with 30,000 miles. my dynamic drive malfunction light comes on twice a week then disappears in a few seconds without doing anything. Any advice on this? Thanks
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  #14  
Old 05-21-2014, 07:23 PM
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Quote:
Originally Posted by jb43saints View Post
I have a 2004 645ci with 30,000 miles. my dynamic drive malfunction light comes on twice a week then disappears in a few seconds without doing anything. Any advice on this? Thanks
Have you checked the power steering fluid level?
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  #15  
Old 06-29-2014, 12:25 PM
Samuil49 Samuil49 is offline
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Hello Everyone. Please anyone who knows help me out. I have a 645 ci model 2004 I have a problem of a dynamic failure in my car. I took it for fixing oil leak and it came out from the garage with that problem. The car is not balanced. One side is slightly up
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  #16  
Old 06-29-2014, 12:27 PM
Samuil49 Samuil49 is offline
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anyone knows what's the problem? Is it a major thing?
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  #17  
Old 06-29-2014, 09:29 PM
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It sounds like you have a pretty serious failure if one side of your car is higher than the other due to a dynamic drive issue. Hopefully it is not a faulty valve block which is a very expensive part.

I would be suspicious that the problem occurred after bringing the car in for an oil change. Maybe they accidentally cut a hydraulic hose or disconnected a stabilizer bar or end link? I would start by asking the shop to take a look at it since it happened after they worked on the car. Also check your power steering fluid level to see if it's low.

Here is an example of how much the dynamic drive can lift/lower the car - this is a diagnostic routine that can be run using DIS:
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Last edited by Yorgi; 06-29-2014 at 09:30 PM.
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  #18  
Old 06-30-2014, 03:31 AM
Samuil49 Samuil49 is offline
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yorgi. Took it to the bmw dealer and their mechanics told me its a faulty valve block. I guess its going to be expensive fixing it. Checked the power steering fluids level is ok not low.
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  #19  
Old 06-30-2014, 11:53 PM
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645/333 645/333 is offline
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There is a post or a DIY where a guy repairs or replaces a valve block, lots of pictures etc It maybe on the 7 series forum or the 5 series but if you do a search you will find it?
It may help in your understanding of the issue and so you don't get ripped off.
As Yorgi mentioned it is a very expensive repair in parts and labour. The guy who did the DIY saved a small fortune.The valve block is behind the front wheel behind a panel in the wheel arch.
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  #20  
Old 07-01-2014, 05:20 AM
tampamark tampamark is online now
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Yeah, that bill can run $1700 to $2000 at a dealer. Find an independent, of if you are a DIY'er then here is the thread that 645 is talking about

http://www.bimmerfest.com/forums/sho...46#post5123046

Last edited by tampamark; 07-01-2014 at 05:23 AM.
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  #21  
Old 07-04-2014, 08:45 AM
Samuil49 Samuil49 is offline
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Hello There, anyone knows where I can get headlights even afyer market for mu BMW 645 model 2004 ?
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  #22  
Old 07-04-2014, 10:04 AM
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Hello There, anyone knows where I can get headlights even afyer market for mu BMW 645 model 2004 ?
eBay
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  #23  
Old 07-04-2014, 12:11 PM
sentrex sentrex is offline
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Quote:
Originally Posted by Yorgi View Post
It sounds like you have a pretty serious failure if one side of your car is higher than the other due to a dynamic drive issue. Hopefully it is not a faulty valve block which is a very expensive part.

I would be suspicious that the problem occurred after bringing the car in for an oil change. Maybe they accidentally cut a hydraulic hose or disconnected a stabilizer bar or end link? I would start by asking the shop to take a look at it since it happened after they worked on the car. Also check your power steering fluid level to see if it's low.

Here is an example of how much the dynamic drive can lift/lower the car - this is a diagnostic routine that can be run using DIS:
well that is pretty cool diddn't you could test that ty
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  #24  
Old 07-06-2014, 12:15 PM
HerbP HerbP is offline
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I found this in my files. I do not believe that the hydraulic block could fail, but another part in the system is most likely bad? A valve block is simply a block of metal, with orifices & sensors to control the hydraulic system. The system could have trash, air, or a restriction, causing a problem in the system.. A BMW shop is not going to try & repair the block, due to the time & cost associated with it. A independent repair shop, might be willing to test & repair the system. Read this document for a full explanation of the system. Without someone helping with the proper troubleshooting software ( DIS ), it would be very hard to figure out? As Yorgi stated, find out what the repair shop actually worked on? If they replaced a leaking line on the hydraulic system, it would have to be bled, & run thru a new commissioning.

One last question is, have you measured your battery voltage under the hood? Low battery voltage, or overcurrent, will cause the system to be disabled. If the ECU measures a voltage above or below 5 volts DC, it will start trying to protect the control modules. Your system sound like a failed component, but checking the voltage does not cost anything. Troubleshooting this system will be quite the challenge!

Hope this helps!
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