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#1
05-15-2013, 02:32 PM
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Engine rattle help please - Video Diagnosis
2013_05.15 X5 Engine Noise - YouTube
Vanos? Pulley bearing? water pump? Timing Chain? Spun rod Bearing? Valve Tappet? the noise SEEMS to come more from the front of the engine but that's not perfectly clear. 6cyl 3.0 with 130k lightly driven miles....dealer maintained to 100k. enthusiast maintained since. recently replaced oil separator hose after it wouldn't start. oil usage has crept up since. 2 quarts added in 4000 miles. no rough running at all though. Runs like a top in fact.
__________________
 2005 X5 3.0i - 71k mi (9.2018) -> 81k (9.2019) -> 100k (9.2021) -> 123k (8.2025) --------------------------------------------------------------------- SOLD : 2003 X5 3.0 - 177k mi (9.2018) -> 186k (9.2019) -> 205k (9.2021) SOLD : 1997 328is Coupe - Hellrot Red SOLD : 1988 528e w/ Bullseye s256 / MS2 Extra / GC Coilovers / Yukon Coils ~ 300+ HP 
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#2
05-15-2013, 02:47 PM
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that is more of a growl... does not seem to correlate with the RPMs of the engine... at some point, it sounded like a kid slurping milk shake at the bottom of a glass with a straw... like bubbling sound or something... but then again, it sounded like some rough metal surfaces were rubbing against each other.. all, while the engine sounded ok - so, could it be something around the engine? like a water pump?
sorry, not much help here, but in any diagnosis, an extra set of uninhibited eyes could be helpful... could it be some road debris got caught in somewhere...
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#5
05-16-2013, 11:49 AM
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water pump would be the most desirable issue.
__________________
2005 X5 3.0i - 71k mi (9.2018) -> 81k (9.2019) -> 100k (9.2021) -> 123k (8.2025) --------------------------------------------------------------------- SOLD : 2003 X5 3.0 - 177k mi (9.2018) -> 186k (9.2019) -> 205k (9.2021) SOLD : 1997 328is Coupe - Hellrot Red SOLD : 1988 528e w/ Bullseye s256 / MS2 Extra / GC Coilovers / Yukon Coils ~ 300+ HP
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#6
05-23-2013, 09:49 AM
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BUMP. so shortly after i made this video, the "check engine oil level warning" came on. I added a quart of oil and the noise is now all but disappeared. Does that give any indication as to the source? I'm still thinking vanos, but not certain.
__________________
2005 X5 3.0i - 71k mi (9.2018) -> 81k (9.2019) -> 100k (9.2021) -> 123k (8.2025) --------------------------------------------------------------------- SOLD : 2003 X5 3.0 - 177k mi (9.2018) -> 186k (9.2019) -> 205k (9.2021) SOLD : 1997 328is Coupe - Hellrot Red SOLD : 1988 528e w/ Bullseye s256 / MS2 Extra / GC Coilovers / Yukon Coils ~ 300+ HP
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