Weird X5 Top End Noise

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Copy Ignition Key?
Morning Norm He is quite right the key blade has a chip which is read by an induction coil in the key slot The battery only powers the radio link to the Access system to provide remote operation. I did read of a guy in the states who moved the blade to a new Fob then registered the fob to the car BMW will probably want £100 + for a new key Dave -
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Copy Ignition Key?
Hi all, although I have a 2002 X5, I suspect this question will apply to all the older models? The ignition key battery is dead. I tried hacking in a new battery (rather than buy a new key) but it didn't happen. So there's no battery in the key any more. However the key works fine for the central locking & ignition circuits. I went to Mister Minit to get a spare key cut. The guy took one look and said he couldn't copy it because of the immobilizer. ??? Can that be right? Seems illogical! Thanks, Norm. -
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Weird X5 Top End Noise
Hi Stu and Dave, great info, thanks to both! As an update, what's odd is that when the engine is up to temp, it's totally silent. Nothing. But when cold, it appears to be coming from under what I would describe as the spark plug cover. I guess I should remove it? Take a look? -
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Weird X5 Top End Noise
That’s a noisy bearing or tensioner as greydog said. Try different things like turn the AC on and off to see if there is any difference. Hopefully an easy one.! welcome to the petrol X5 world! -
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hairline crack in coolant reservoir
Got to keep writing about this stuff, especially the plastic parts as they do degrade with pressure and temp cycles as I am discovering. Should probably be replaced each 60K miles Im thinking, just to be safe. The plastic oil filter holder lifeing was alerted to me by a canadian BMW specialist garage who I called in on when there to ask about the part. They were very informative and knowledgeable. Mind you the air temp swings there really do cause issues. I mean one day I was clocking 85 on the motorway and all was good and the next day I started the car and dropped the whole oil load on the drive. So so lucky on that one.
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