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Thread: F430 Potentiometer problem

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    RichardCH is offline Salesman's average 3 Series BMW Club Member
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    Default F430 Potentiometer problem

    So this is the issue I have with my 2008 F1 Spider gearbox (limited to 2nd gear), part number 248095, anyone had this just out of interest, I`m at 27k miles

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    RichardCH is offline Salesman's average 3 Series BMW Club Member
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    Ok so my Ferrari dealer replaced the Potentiometer with the OEM part, everything was good for circa 75 km, now the car above 4th gear simply jumps into neutral, no warning lights, which is a tad disturbing, obviously back at dealer but any thoughts please ?

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    Is this a new problem, Richard? Did it ever happen before?

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    RichardCH is offline Salesman's average 3 Series BMW Club Member
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    Quote Originally Posted by MWStewart View Post
    Is this a new problem, Richard? Did it ever happen before?
    Completely new Mark, never occurred before, in fact my gearbox was perfect and extremely sharp and precise before the Potentiometer failed

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    OK, then I'm inclined to think that there was something amiss with the setup procedure or they didn't run it at all. The other cause can be a worn clutch, but the problem just started so I'd look at setup first.

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    RichardCH is offline Salesman's average 3 Series BMW Club Member
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    thks Mark, yes I would guess they maybe didnt run the set up at all, have you a link or any info on the set up procedure pls ?

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    RichardCH is offline Salesman's average 3 Series BMW Club Member
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    fwiw got the bill from dealership yest (head mechanic on hols this week), they detail that after replacing the Potentiometer that they tested it with the a Ferrari diagnostics device, whatever that means

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    There maybe codes stored in the TCU and that will need a diag tool that can read them.
    Jumping to N is usually caused by a fault to prevent the car being stuck in gear.
    If the engagement and selection potentiometers have been replaced there should have been at least a gearbox relearn carried out.
    The invoice doesn’t state that but it is basic stuff....

    Did they indicate why the sensors had failed?
    They can get oil in them which is leaking from the gearbox and unless that is addressed they could fail again.

  9. #9
    RichardCH is offline Salesman's average 3 Series BMW Club Member
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    pleased to report the Ferrari dealer reset the "software" @ no cost in 2 hours and now after returning from Madrid I am hammering around with extra gusto

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