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      07-28-2019, 01:01 PM   #1
YvesD
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Anyone know which version of the ZF 8HP Transmission we have?

Hi,

Anyone know if our cars are fitted with the 8HP75 or 8HP90 version of the ZF?

Thanks
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      08-04-2019, 07:54 AM   #2
hinton
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i thought the hp90 was the one that was in the hellcat?

i had my tranny replaced under warranty, i will see if i can look on the invoice for the part number.

here is the link

https://www.realoem.com/bmw/enUS/sho...diagId=24_1457
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Last edited by hinton; 08-04-2019 at 08:08 AM..
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      08-05-2019, 03:13 PM   #3
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Quote:
Originally Posted by hinton View Post
i thought the hp90 was the one that was in the hellcat?

i had my tranny replaced under warranty, i will see if i can look on the invoice for the part number.

here is the link

https://www.realoem.com/bmw/enUS/sho...diagId=24_1457
That would be interesting if it tells you that, thanks
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      08-05-2019, 03:18 PM   #4
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Thanks for the replies, the reason i ask is that a chap i know has broken this gearbox possibly as a result of a piggyback tune exceeding the torque limit on the unit. Thats BMWs position on the warranty refusal anyway.

ZF tech literature seems to suggest the 8HP 75 is good for 750NM but that would mean the stock engine is at its limit too.

Pretty sure there is some headroom in the box but does anyone know for sure?

Cheers
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      08-09-2019, 08:24 AM   #5
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don't forget i got mine replaced under warranty due to failure with no tunes or anything like that. they did investigate the launch control times used etc, they were all done prior to me taking the car with the first 20k on it, so the previous person that had mine used that feature, i never used it and hence why they honoured the warranty. this is direct from the sa
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      08-09-2019, 10:54 AM   #6
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Yes, appreciate they do fail as standard and in my mates case the failure might not be related to the tune, we will never know.

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      08-09-2019, 09:52 PM   #7
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Quote:
Originally Posted by hinton View Post
don't forget i got mine replaced under warranty due to failure with no tunes or anything like that. they did investigate the launch control times used etc, they were all done prior to me taking the car with the first 20k on it, so the previous person that had mine used that feature, i never used it and hence why they honoured the warranty. this is direct from the sa
I would die if they said they wouldn't honor warranty because you used a feature of the car that they designed into it. Hello lawsuit.
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      11-17-2022, 05:03 PM   #8
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The xDrive35i and sDrive35i both have the zf 8hp45. The xdrive50i, xdrive35d, and M all have the zf 8hp75.
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