Stuttering gear changes - F46 220d XDrive automatic

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MarkySpark
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Stuttering gear changes - F46 220d XDrive automatic

Post by MarkySpark » Sat Mar 09, 2019 6:29 pm

I have a 66-plate (September 2016) F46 2-Series Gran Tourer, 220d XDrive, with automatic gear box. Even when it was brand new, the gear changes didn't seem as smooth as on my old F11 5-Series 520d automatic. I presumed it was something to do with the electronic gear changer on the F11. Please note, I am not knowledgeable at all about gear boxes and clutches, so please forgive my ignorance!

I'm not sure whether it's just my impression, but the gear changes on my F46 seem to be even more clunky / stuttering now than they were originally. It seems particularly noticeable at relatively low speed (30-40 mph), when I'm accelerating gently. It feels like the car struggles to decide on what gear it should be in, or to get it into that gear. It seems to take 1-2 seconds where it's not really doing anything, almost as though it's stuttering, before changing into a different gear.

Does this sound familiar to anybody? Is it just the way the gearbox works on this F46 automatic model? Or is it something which I should be getting checked out (mechanical or software issue) by BMW, while it's still under warranty? I understand that the LCI refresh introduced a new gearbox to the F46 range, something to do with "double-clutch", but I have no clue what exactly that means!

Any guidance from you experts out there would be very gratefully received!

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tweeky
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Re: Stuttering gear changes - F46 220d XDrive automatic

Post by tweeky » Thu Mar 14, 2019 9:19 am

Search for CDV Clutch delay valve on these very forums.
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marco_polo
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Re: Stuttering gear changes - F46 220d XDrive automatic

Post by marco_polo » Thu Mar 14, 2019 9:28 am

tweeky wrote:
Thu Mar 14, 2019 9:19 am
Search for CDV Clutch delay valve on these very forums.
Not sure that's going to help on his Automatic.
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