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Old 10th August 2018, 02:53 PM   #1
fredbloke
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Default E46 m3 knocking

Hi all recently purchased an e46 m3 and on the way home it started to knock so turned it off and had it recovered.

Trying to get in touch with the previous owner to get his take on it.

Itís at my local garage but he seems to think that if it knocked then the likelyhood of the engine being repairable is pretty slim.

What is you take on this? Pretty gutted as I havenít even driven it properly yet.

Cheers
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Old 11th August 2018, 12:09 PM   #2
jjm3uk
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What miles is it on??

Maybe spun bearing but could be anything.
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Old 11th August 2018, 04:09 PM   #3
fredbloke
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It’s on 130k but good history and so on. I had planned to do the rod bearings anyway but now fear it way have done more damage.
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Old 11th August 2018, 05:14 PM   #4
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I don't know why a garage would think it is not repairable unless a rod is hanging out the side.

People who jump to expensive conclusions I would not use.

Of course I don't know if they told the op unrepairable or economically unrepairable, which is unlikely too.
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Old 11th August 2018, 06:17 PM   #5
fredbloke
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Perhaps he means economically repairable.

His thinking was if it’s knocking there will be allot of metal within the oil and it will have done damage to other parts of the engine, vanis unit, blocking oilways and so on. I had hoped that as I turned it off almost as soon as I heard it that I would have minimised the risk of other parts getting damaged.

I do wonder that maybe he just doesn’t want to do the job. Which to me is rediculous.
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Old 11th August 2018, 11:14 PM   #6
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Quote:
Originally Posted by fredbloke View Post
His thinking was if itís knocking there will be allot of metal within the oil and it will have done damage to other parts of the engine, vanis unit, blocking oilways and so on.
Of course, it's not like the oil coming out of the bearings and returning to the sump it filtered before going around again, silly me
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Old 12th August 2018, 10:07 AM   #7
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Yes that’s a bloody point!
I think il collect it and take it somewhere more confident.
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