BMW ZF 8 speed issues - Bimmerfest - BMW Forums



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F20 / F21 1 Series (2012 - Current)
The second generation of the BMW 1 Series range of hatchback cars. Not available in the USA the F20/F21 was released in 2011 as the successor to the E81/E87. The body styles of the F20/F21 range are a 3-door hatchback (F21) and 5-door hatchback (F20).

The coupe and convertible models were spun off to create the BMW 2 Series.

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  #1  
Old 11-05-2019, 05:16 PM
cadethoerk cadethoerk is offline
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Mein Auto: M240i
BMW ZF 8 speed issues

FYI, purchased a 2018 M240i new, and after 6 months the transmission sounded like a bad power steering pump. The whine would get worse with spirited driving and was very annoying. Dealer service acknowledged the noise and starter a PuMA case with BMW NA. I was told this was normal and noting would be done. Contacted Customer relations, a specialist was sent out and again normal. Here is the report:

" 1. Customer states transmission whine in all gears around mid RPM. Whine has gotten worse since last visit.
I test drove this vehicle extensively with the shop foreman and we could duplicate the noise the customer was complaining about. When the powertrain was cold, I could not hear the noise, but it became audible as the transmission warmed up. The noise did not appear to be an indication of a defect, it appeared to be a normal operational noise. I scanned the vehicle and there were no relevant faults. I compared the noise to a 340i with the same powertrain and determined that the identical noise was present. Based on my inspection, comparison to a similarly equipped vehicle, and review of the previously submitted PuMA case, I determined that the noise is normal and no repairs are necessary."

Anybody looking to purchase a BMW with this ZF 8 speed should be aware of this potential issue as no action will be taken to resolve the problem.

This was my first and last BMW and I Hope this helps to inform future potential buyers.
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Old 11-05-2019, 10:23 PM
namelessman namelessman is offline
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Is there a clip for the noise?
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Old 11-06-2019, 05:30 AM
cadethoerk cadethoerk is offline
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I never recorded the noise, the dealer did when I brought the car in. Sounded like a power steering pump with low fluid, or a supercharger whine. There are recordings online from other owners that have/had the same noise. BMW was replacing the transmission early on, then decided to cover it up with "characteristic of the vehicle".
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