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Old 06-30-2020, 07:36 AM
Flavius79 Flavius79 is offline
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Dynamic drive

I've got a 2006 650i. I get an intermittent dynamic drive disabled light. Every time I take it out for a drive. My battery is new and registered and the oil is topped off for the power steering. Anyone have this issue?
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Old 06-30-2020, 09:04 AM
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645/333 645/333 is offline
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Try going full lock to lock a few times with the engine running just in case you have an airlock!! You could also try a transmission reset easy to do, just put foot flat down on the accelerator then switch on ignition but don't start the car, hold for 45 secs then release and start the engine. this resets everything including previous driving style as the car learns your style, ie do you blast it or go softly softly....
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Old 06-30-2020, 05:44 PM
HerbP HerbP is offline
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Originally Posted by Flavius79 View Post
I've got a 2006 650i. I get an intermittent dynamic drive disabled light. Every time I take it out for a drive. My battery is new and registered and the oil is topped off for the power steering. Anyone have this issue?
This is usually caused by the Voltage Regulator when it starts to fail. This usually happens after a 15 to 20 minute drive, & will clear itself. The voltage regulator can be purchased seperately online, not in a parts store. You could have a Valeo or Bosch alternator, so it is hard to say which one to get. I would suspect that you have the Valeo alternator. The link below is for the Valeo, but you need to check to be on the safe side.

https://www.ebay.com/itm/BMW-545i-64...gAAOSwo0JWGVcH
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Old 06-30-2020, 07:12 PM
Flavius79 Flavius79 is offline
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I've changed the voltage regulator when I first experienced this issue and still getting the errors. Is there a valve body that controls the hydraulic fluid? Is there a way to test the dynamic drive functionality in my garage or does that require some special computer?
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Old 06-30-2020, 07:13 PM
Flavius79 Flavius79 is offline
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Originally Posted by 645/333 View Post
Try going full lock to lock a few times with the engine running just in case you have an airlock!! You could also try a transmission reset easy to do, just put foot flat down on the accelerator then switch on ignition but don't start the car, hold for 45 secs then release and start the engine. this resets everything including previous driving style as the car learns your style, ie do you blast it or go softly softly....
I'll have to try this reset technique. Haven't heard of it before. Thanks
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Old 06-30-2020, 07:22 PM
BabyUnicornTaco BabyUnicornTaco is offline
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Originally Posted by Flavius79 View Post
I'll have to try this reset technique. Haven't heard of it before. Thanks


I donít remember if it even works but it is a transmission adaptations reset. Typically only done after a transmission service. Itís also a 10 second pedal press thing from those that have done it. I believe you issue is related to voltage. There are warnings that resetting adaptations without a fluid service can cause damage.


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Old 06-30-2020, 07:59 PM
HerbP HerbP is offline
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Originally Posted by Flavius79 View Post
I've changed the voltage regulator when I first experienced this issue and still getting the errors. Is there a valve body that controls the hydraulic fluid? Is there a way to test the dynamic drive functionality in my garage or does that require some special computer?
What kind of VR did you install, one from a local parts store, or the correct one? The reason I say this is our cars do not play nice with cheap aftermarket electronics. The valve block is located behind the passenger fender well, but you will need ISTA+ to go thru the service routines. If you can keep a voltage meter with you & pull over as soon as the Dynamic Drive light pops on, you can measure the voltage at the jump terminal. The voltage is most likely above 15.8 volts, causing a load shed turning off the DD.

Have you replaced the alternator before, & where did it come from?
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Old 07-01-2020, 05:02 PM
Flavius79 Flavius79 is offline
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Quote:
Originally Posted by Flavius79 View Post
I've changed the voltage regulator when I first experienced this issue and still getting the errors. Is there a valve body that controls the hydraulic fluid? Is there a way to test the dynamic drive functionality in my garage or does that require some special computer?
What kind of VR did you install, one from a local parts store, or the correct one? The reason I say this is our cars do not play nice with cheap aftermarket electronics. The valve block is located behind the passenger fender well, but you will need ISTA+ to go thru the service routines. If you can keep a voltage meter with you & pull over as soon as the Dynamic Drive light pops on, you can measure the voltage at the jump terminal. The voltage is most likely above 15.8 volts, causing a load shed turning off the DD.

Have you replaced the alternator before, & where did it come from?
I didn't pull the trigger on replacing the alternator because of the price. Thought it would be best to replace VR first. The VR is the valeo brand through autohausaz.com. The alternator is original and I think it's Bosch. Not sure exactly. It's been 4 years since I replaced it. Will check on the voltage. Hate to replace the alternator and then experience the same error.
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Old 07-01-2020, 06:54 PM
HerbP HerbP is offline
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The reason I asked if you had changed the alternator, I wanted to make sure it was not a rebuilt model from a local parts store, as they rarely work properly. I am not sure if the Valeo VR would fit in a Bosch alternator, but possible? The VR could possibly work properly with the Bosch alternator, so I would start watching the voltage closely when the warning goes off. When mine went bad I checked the voltage as soon as I got the warning, & the voltage was varying as high as 20 volts. I was glad to realize this was causing the Dynamic Drive warning, as it was a much cheaper repair.
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