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E63 / E64 6 Series (2004 - 2010)
The E63/E64 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 04-16-2017, 12:14 AM
colinjgreen42 colinjgreen42 is offline
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Mein Auto: E63 650i 2010
E63 650i Transmission questions

Couple of issues, on start-up from cold car judders/stutters when at low speed, car is also sometimes slow to change down gear when accelerating. Mileage on car is 54,500 approx. Have tried reset (the one where you hold the accelerator down for 30s) but didn't make a difference. Sorry if this has been answered before but has anyone any ideas. Local dealer states that no updates are outstanding and no fault codes are present.

Last edited by colinjgreen42; 04-16-2017 at 12:15 AM.
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  #2  
Old 04-16-2017, 02:18 AM
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Hsurf Hsurf is offline
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Mein Auto: E63 645ci
Have you checked your battery recently, could be a good idea to charge it if not to make sure the power supply is tip top first, also you could check your transmission fluid level but you'll need the car up in air and level to do this, failing that it maybe time for a transmission fluid service along with the usual replacement seals and filter, strange there's no codes of any kind.
This is just off the top of my head but I'm sure some of the more knowledgeable guys here will be along with some better ideas shortly.
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Old 04-16-2017, 06:22 PM
HerbP HerbP is offline
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+1 one on the battery, low voltage can cause havoc with our cars. Changing the tranny fluid at your current mileage would be a good PM to perform. BMW will say don't change the fluid, but we all know better.
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Old 04-17-2017, 08:46 AM
derekwilkinson derekwilkinson is offline
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Quote:
Originally Posted by colinjgreen42 View Post
Couple of issues, on start-up from cold car judders/stutters when at low speed, car is also sometimes slow to change down gear when accelerating. Mileage on car is 54,500 approx. Have tried reset (the one where you hold the accelerator down for 30s) but didn't make a difference. Sorry if this has been answered before but has anyone any ideas. Local dealer states that no updates are outstanding and no fault codes are present.
I started having this same issue recently... i'm at 60k now. fluid level is fine, battery is new.
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Old 04-17-2017, 07:11 PM
HerbP HerbP is offline
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Resetting the adaptations will cause the car to shift erratically for a few weeks, based on the amount of drive time. I just reset all of my adaptations & it is quite jerky. Once it learns your new adaptations, things should calm down.
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Old 04-20-2017, 11:11 AM
Biochem Biochem is offline
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Quote:
Originally Posted by HerbP View Post
Changing the tranny fluid at your current mileage would be a good PM to perform. BMW will say don't change the fluid, but we all know better.
I agree... I have 60k miles on my 650i and plan to do this soon. Same issues as the original poster mentioned. I'm just not keen on trying to add new fluid back in while under my running car (on jack stands).
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Old 04-20-2017, 04:02 PM
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roseng roseng is offline
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Quote:
Originally Posted by colinjgreen42 View Post
Couple of issues, on start-up from cold car judders/stutters when at low speed, car is also sometimes slow to change down gear when accelerating. Mileage on car is 54,500 approx. Have tried reset (the one where you hold the accelerator down for 30s) but didn't make a difference. Sorry if this has been answered before but has anyone any ideas. Local dealer states that no updates are outstanding and no fault codes are present.
30 seconds won't do it. You need 45 Sec to 1 min.
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Old 04-21-2017, 10:12 AM
derekwilkinson derekwilkinson is offline
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How do you do the reset? Do it with the car off? Accessory mode?
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