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#1
10-22-2012, 03:39 PM
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X5 4.6is - Engine Died.. NOW WHAT?
My X5 is almost dead, was driving it home the other day with what sounded like a tappet noise, got progressively worse, checked oil and it was on the middle levels so figured it was ok, and carefully drove it home.. within minutes it sounded like a toolbox with spanners inside, nowhere safe to pull over so was forced to drive a short distance and then engine management lights, oil pressure and everything else came on.. my own in car disco  I guess from the sounds of it and what the AA man said its the timing chain and the engine has completely gone and nothing could have been done. What are my options? Can I repair, anyone recommend someone that wont completely rip me off in rebuilding my engine?? 
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#2
10-22-2012, 03:47 PM
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Your plastic timing chain guides finally failed. Common problem.
If you are lucky you didn't cause any serious engine damage. You'll have to pull the heads off to find out. You really shouldn't have kept driving with those symptoms. It's possible you worsened the damage. Worst case you need a new motor, or need to rebuild yours. New motor options: source a motor from BMW, find a used 4.6 motor (rare), or swap in a 4.4 block.
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2002 X5 4.6is - Titanium Silver / Black Alcantara - Dinan Stage 2 - Bilstein/Eibach - Brembo BBK ----SOLD--- 1993 318i - Brilliantrot / Tan - bone stock daily driver
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#3
10-22-2012, 05:58 PM
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I concur. Timing chain guides failure. There are few people across the pond that have a few indy's they have posted. Do a search on INDY UK or London or the like.I recall a good one it Herfordshire??? If I am spelling it or remembering it right?
__________________
2011 E70 50i M Sport Exterior: Alpine Weiss III Interior: Nevada PACKAGES: . 
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#6
10-22-2012, 06:44 PM
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To rebuild the motor, depending on damage can be anywhere from $3K to $14K, and that is not Euro. Depending on how bad the damage is, the costs can skyrocket quickly. 4.6is motors are very hard to come by. Even if you found one, you would still need to have the guides replaced.
And indy is an Independent mechanic. Anyone who specializes in german motors besides the dealer.
__________________
2011 E70 50i M Sport Exterior: Alpine Weiss III Interior: Nevada PACKAGES: .
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#8
10-22-2012, 08:14 PM
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I always wanted a 4.6 and I would love to buy that car off you...
But don't sweat it, I bought a 4.4 X5 where all the valves were bent because they kept driving it until the chain chewed through the front cover. I fixed it in my garage over a few weekends. If you can do the work yourself you will have a fun little project. I will post pics soon...
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#9
10-22-2012, 08:22 PM
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hmm.. I wish I knew where to start with that, always wanted to fix things myself (probably save a fortune in the process)
Of all the cars I have driven, this by far is the most fun car I have ever had, really dont wanna let it go - I know I'll never find anything like it again, considering its 10 years old already, the car was way ahead of its time I think when for it was made. On a scale of 1-10.. 1 being for someone that can change a tyre and 10 being someone that can pull an engine apart and rebuild it, I consider myself a modest 2 or 3, not sure if its within my capability of fixing it myself cos from what I have been reading past few hours looks like i have to take the engine out .. wouldnt even know where to start with that.
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#10
10-22-2012, 08:24 PM
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Quote:
Let me know if you know of a DIY process on how to do it and I might even think about giving it a go myself
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