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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > UK Technical Forum > Head Unit Recode Needed??



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      05-18-2009, 08:26 AM   #1
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Head Unit Recode Needed??

at the weekend I replaced the HU on my 320d SE (standard bmw professional audio). All seems fine, no errors reported and the steering controls work. However when I first set off I had this weird feeling on the accelerator pedal as if something was pushing it back up as I eased my foot off. I don't know if it's just coincidence?

Someone mentioned that a recode was needed by the dealers - does this sound likely to give me this symptom? I guess the obvious answer is to replace the HU but it was a real pain getting all the wires in etc.

After I set off within about 20 seconds it all seems back to normal again. No other problems that I can see. Should I be worried do you think?

Thanks in advance...
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      05-18-2009, 08:58 AM   #2
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Surely that can't be related. That would be madness..
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      05-18-2009, 09:26 AM   #3
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That's what I thought but it just seemed far too coincidental that the next tim I started her up it happened.

It seems to be each time I first start the car it occurs. Just for the first few accelerations. I just thought that it may be an electrical issue that is causing something to be not quite right...?

Any ideas what else it could be if not the HU?
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      05-18-2009, 09:33 AM   #4
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Sure you just aint slid the floor mat up towards the pedals a little whilst messing about inside the car?

Defo not related to a head unit change!
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      05-18-2009, 10:12 AM   #5
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I was a bit hungover (and still am - was a 14 hour birthday drinking session!!) so i'll double check when I leave the office. Hopefully it's just that simple and I will feel very stupid!
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      05-18-2009, 05:20 PM   #6
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Robbo - you've gone very quiet - what did you find wrong??
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      05-19-2009, 06:15 AM   #7
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*gets his coat*

I think anyway, it didn't seem any further forward but I pulled it all the way back further than it should be and it hasn't done it since.

I really am not that stupid - I blame the alcohol!
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      05-19-2009, 02:29 PM   #8
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Quote:
Originally Posted by idlerobbo View Post
*gets his coat*

I think anyway, it didn't seem any further forward but I pulled it all the way back further than it should be and it hasn't done it since.

I really am not that stupid - I blame the alcohol!
Ahem! I'll drink to that!
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