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2010 2011 BMW 5 Series Forum F10 ZF 8HP Unable to engage 1st gear or reverse during cold-startup |
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01-18-2024, 04:23 PM | #1 |
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ZF 8HP Unable to engage 1st gear or reverse during cold-startup
Hello
I own this 2014 X5 40d for 3 years, has 130.000 km and transmission oil changed 90.000km This winter when temperature are below zero, at first start the transmission refuse to shift to D or R. When I move the leaver it comes back after 1 sec. I have to wait 5 or 10 min, and eventually to rev up the rpm to 2500tr/mn, then it accept to engage D This seems not normal to me, but may be I'm wrong Any idea ? NB : Not found any such case with google or in this section
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01-18-2024, 05:12 PM | #2 |
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Was the right oil used when it got serviced?
Check oil level, scan with decent (BMW) software for transmission codes. One of the solenoids might be going out. |
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01-19-2024, 11:41 AM | #3 | |
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Quote:
I guess the oil brand was Bardhal, not ZF but with the right spec. Two possibilities : Oil is not correct (scary) or a solenoid is dying. Nobody got the same issue ?
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