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  #1  
Old 07-11-2006, 08:07 AM
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Does this happened with your X5

When the engine is cold and i start it, for one seconds the engine makes a strange noise, like if the oil didnīt reach the engine head. After one second engine works very smooth. it doesnīt happend always maybe four times a week. Iīve checked the oil level and itīs ok!!!!!

My previous Porsche 996 Carrera use to make this same kind of noise and Porsche tech said it was normal

J.Seven
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Old 07-11-2006, 08:14 AM
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It sounds like the hydraulic tappets.
Once the oil pressure builds, they should be silent.
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Old 07-11-2006, 08:16 AM
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never had a strange noise from the engine - but my steering wheel sometimes gives a noise as it moves to driving position from full retract at startup - otherwise I have not experienced anything you describe in either the '01 or '06
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Old 07-11-2006, 08:17 AM
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Quote:
Originally Posted by Donegal TDI
It sounds like the hydraulic tappets.
Once the oil pressure builds, they should be silent.
Is it normal or should I be worried? Thanks in advance.

J.Seven
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Old 07-11-2006, 08:24 AM
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As I have never driven a gasoline powered X5, mine's a diesel,
others here may advise.
A car I did have some years ago did this very thing.
Didn't cause any problems.
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Old 07-11-2006, 02:10 PM
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Mine does the same thing, dealer said sound was coming because I needed to add oil on my x5, actually they did add oil.The sound lowered a bit but still there... I have a 4.6is..
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Old 07-13-2006, 03:56 AM
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this sound comes from the starter, you may need to change the starter. it costs around $600.
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Old 07-13-2006, 11:01 AM
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hydralic lifters will click till they pump up, most cars will make the sound when it’s cold, the oil is thicker and takes more time to get the lifters pumped up. If your car was sitting for a long time it can take longer to pump up also.
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Old 07-19-2006, 02:43 PM
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Quote:
Originally Posted by rogerkiu
this sound comes from the starter, you may need to change the starter. it costs around $600.
Rodger,

Could you be more specific the soud the starter makes and the problem with it. I'm assuming you have already been there.
thanks
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  #10  
Old 12-18-2006, 02:24 PM
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engine noise on startup

Hello fellow X5er's!
I rarely post but felt I should as my problem is fixed.
I also had the "dry engine" sound on startup. I had taken the X to my favorite mechanic, Uli at Hafkemeyer Motors here in Kansas City for a new water pump (93K miles on the 4.4). 'Didn't mention the startup noise.
Interestingly, when he called me after looking it over, he told me that he noticed I had a leak around the oil filter holder and said the seal was bad. I had him put in a new filter and seal and now, zero noise at startup!
My speculation is that the bad seal allowed the oil to drain from the filter holder when the engine was shut down and caused dry startup noise just like the sound the engine makes on the first start after an oil change.
'Just my two cents. I hope this is helpful to some of you.

Regards,

Scott

p.s. 'Had to change the water pump on the 740 4.4 at nearly the same mileage as the X5. For an otherwise great car, I think the weak point of the bimmers is their cooling system components. IMHO

1999 M Roadster, 22K miles
1998 740i, 120K miles
2002 X5 4.4, 93K miles
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