E60 525d - acceleration on a cold day
12-19-2005, 04:51 AM
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Hi
I have an E60 525d manual, which when starting from after a cold night (-1C or so) has no acceleration at all - its as if the car is limiting me to some kind of "Emergency mode". There is no DTC light flashing and no other warning messages. Once the car is warmed up and on second time starting it clears and normal acceleration is available - really frustrating pulling out of a junction and then having a queue of traffic behind me as I take ages to get to a max of 30/40mph.
I had it back to the dealer but I don't think they believe me (And of course very difficult to demonstrate as the car is warm when they get it:-() - They "fixed" a pressure sensor but the problem remains. I did toggle the DTC switch and that seemed to clear it too - but I can't be sure.
Anybody heard of anything similar?
Cheers
TurboukToo
I have an E60 525d manual, which when starting from after a cold night (-1C or so) has no acceleration at all - its as if the car is limiting me to some kind of "Emergency mode". There is no DTC light flashing and no other warning messages. Once the car is warmed up and on second time starting it clears and normal acceleration is available - really frustrating pulling out of a junction and then having a queue of traffic behind me as I take ages to get to a max of 30/40mph.
I had it back to the dealer but I don't think they believe me (And of course very difficult to demonstrate as the car is warm when they get it:-() - They "fixed" a pressure sensor but the problem remains. I did toggle the DTC switch and that seemed to clear it too - but I can't be sure.
Anybody heard of anything similar?
Cheers
TurboukToo
12-19-2005, 07:03 AM
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Does it happen everytime at start up? It sounds like the car went into "Limp Mode" in otherwords like you said an emergency state when theres a problem with the car. If thats the case your car should show a service engine message and it should save some type of log file in the memory that the dealer can read out.
I mean if its consistant have the dealer keep it over night and let them see for themselves.
I mean if its consistant have the dealer keep it over night and let them see for themselves.
12-19-2005, 07:21 AM
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Originally Posted by EBMCS03' post='213175' date='Dec 19 2005, 04:03 PM
Does it happen everytime at start up? It sounds like the car went into "Limp Mode" in otherwords like you said an emergency state when theres a problem with the car. If thats the case your car should show a service engine message and it should save some type of log file in the memory that the dealer can read out.
I mean if its consistant have the dealer keep it over night and let them see for themselves.
I mean if its consistant have the dealer keep it over night and let them see for themselves.
Unfortunately its only after colder nights - it did it last winter but I put that down to me not knowing the car - this its done it twice - but its got to be cold - otherwise its fine.
12-19-2005, 07:59 AM
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Does it happen everytime at start up? It sounds like the car went into "Limp Mode" in otherwords like you said an emergency state when theres a problem with the car. If thats the case your car should show a service engine message and it should save some type of log file in the memory that the dealer can read out.
I mean if its consistant have the dealer keep it over night and let them see for themselves.
I mean if its consistant have the dealer keep it over night and let them see for themselves.
Unfortunately its only after colder nights - it did it last winter but I put that down to me not knowing the car - this its done it twice - but its got to be cold - otherwise its fine.
[/quote]
The behaviour you suggest, seems to me that the turbo is not kicking in for some reason. On purpose because it might be too cold and it could broke or a some kind of problem. By what you describe it looks like it is on purpose. But at least in -10 celcius my previous 320d was always 100%. I left it working for a couple of minutes before riding so that it could warm-up and i could remove the snow ;-)
Please keep us informed about the outcome (i have a 525d too, but temps never lower than 3 Celcius ;-) )
12-19-2005, 08:03 AM
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No, sry to hear that. If you let the car just stand still with the engine on for a few minutes I should be OK.
12-19-2005, 11:00 AM
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No problem so far down to -6 C
12-20-2005, 08:12 AM
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Originally Posted by EBMCS03' post='213175' date='Dec 19 2005, 04:03 PM
Does it happen everytime at start up? It sounds like the car went into "Limp Mode" in otherwords like you said an emergency state when theres a problem with the car. If thats the case your car should show a service engine message and it should save some type of log file in the memory that the dealer can read out.
I mean if its consistant have the dealer keep it over night and let them see for themselves.
I mean if its consistant have the dealer keep it over night and let them see for themselves.
Unfortunately its only after colder nights - it did it last winter but I put that down to me not knowing the car - this its done it twice - but its got to be cold - otherwise its fine.
Please keep us informed about the outcome (i have a 525d too, but temps never lower than 3 Celcius ;-) )
[/quote]
Just had a call from the dealer and they have identified (at last) a problem with the turbo - and have completely replaced it (under warranty). I'll get the car back tomorrow - so hopefully that will be it sorted. Thanks for the replies.
12-20-2005, 10:56 AM
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Originally Posted by TurboukToo' post='213619' date='Dec 20 2005, 05:12 PM
Just had a call from the dealer and they have identified (at last) a problem with the turbo - and have completely replaced it (under warranty). I'll get the car back tomorrow - so hopefully that will be it sorted. Thanks for the replies.
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