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#11
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
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#12
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Well the one I wanted didn't work out. I've seen a 4.6 which has got me interested but it does mention a rattle. It says that they thought it was the timing chain guides and changes those, the chain, the sprockets and the the tensioners but the rattle remained.
Seller believes it's the vanos unit now. Any ideas on the likelihood of that? I have done the bolts, cleaned the solenoids and changed all the seals on an E36 M3 Evo Vanos before, but not touched any other models. I'm tempted though. Though I'd prefer a facelift car the 4.6 appeals... And it has LPG. |
#13
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The base rattle is from tensionER. Find out if they put in an OEM tensioner when they did the chain guides. Chain guides fail when the tensioner fails. People will skip replacing the part that actually was the problem because it "looks" ok.
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#14
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I'll try. The seller says the rattle does change with engine speed. Does that still point at the tensioner?
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#15
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Rattle tends to fade over time like better after 20 minutes but I'd have to hear an audio clip to have any solid help.
Vanos are known to rattle there is a whole industry to fix it Sent from my iPhone using Tapatalk Pro
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#16
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Most of the time you can use an auto stethoscope to pinpoint the source of the rattle. There are several possibilities that could be the problem. Could even be external. Troubleshoot, troubleshoot, troubleshoot. Suggest finding out if it is worse with a cold start, loss of performance, engine running rough etc.
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X5 4.6 2002 Black Sap, Black interior. 2013 X5M Melbourne Red, Bamboo interior Dallas |
#17
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Yes engine stethoscope good plan.
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#18
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If he won't let you scan it, than just walk away. He might be trying to hide something. Plenty of BMW on the market these day.
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2006 Infiniti G35 2001 BMW 3.0I E53 X5 Build date 08/2000 SOLD Lotus Europa 1970 Destroyed by fire Lotus Europa 1970 S2 Renault Powered Lotus Type 52 1970 Twincam Webers Powered PORSCHE 911 Targa 1982 The Garage Queen Audi Avant donated to Kars for Kids BMW 525IT Sold Audi 4000CS Quattro Sold Jensen Healey Lotus Powered Sold Opel 1900 Sold Triumph Spitfire 1971 Sold Triumph Spitfire 1968 Sold Plymouth "Cuda" 340 Six pack SOLD |
#19
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Quote:
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"When the Team Chief said.... You're trapped in a hole with nothing but a goat and a slinky, what do you do? Stubby said, I'm not sure but it won't end well for the goat...." ~(Overheard) Last day, Phase 3, Q Course |
#20
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Zero chance I would buy a car so scanning codes. Also. Check emissions readiness. If not ready means seller reset reset recently.
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
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