Definitive E46 M3 Rod Bearing Thread : How Long Has Yours Lasted?

Discussion in 'E46 M3 (2001-2006)' started by M3Chas, Oct 24, 2017.

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What's Happened with Your Rod Bearings?

  1. Still on the factory originals

    150 vote(s)
    50.7%
  2. Still on the recalled originals (Pre-Facelift Only)

    75 vote(s)
    25.3%
  3. Changed them with less than 50k on the engine

    0 vote(s)
    0.0%
  4. Changed between 50-100k

    19 vote(s)
    6.4%
  5. Changed between 100-150K

    28 vote(s)
    9.5%
  6. Changed above 150k

    3 vote(s)
    1.0%
  7. I was too late ; bearings were toast before the sump came off

    8 vote(s)
    2.7%
  8. Changed as a preventative measure but I was too late

    2 vote(s)
    0.7%
  9. Changed but I got lucky

    3 vote(s)
    1.0%
  10. Changed but it was pointless

    8 vote(s)
    2.7%
  1. 26 Oct 2017 at 4:17 PM #41
    rusticm3

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    My moneys on the engines that's failed or ones that have showed excessive wear when changed have had a hard life.

    Its not worrying me at 130k.
     
  2. 26 Oct 2017 at 6:43 PM #42
    coxym125

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    Right on, i booked my m3 in with my local independent after reading post and post about head gasket only to find all cyclinders were 165psi on a medium warm engine, I think the polls say it all, stop worrying, it happens with every engine but I suppose we only hear the bad stuff on here?
     
  3. 26 Oct 2017 at 8:30 PM #43
    M3Loon

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    Had mine changed at 100k , a good move as 2 and 5 were showing copper so preventing a catastrophe hopefully
     
  4. 27 Oct 2017 at 4:42 PM #44
    Spliffyaid

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  5. 27 Oct 2017 at 9:25 PM #45
    Benchmark

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  6. 27 Oct 2017 at 9:40 PM #46
    Mabs27

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    Got my car checked over today to see what it will cost for my bearings. Been quoted over 1k! rather just let it die ( was a joke by the way)

    Unfortunatley i havent got that sort of cash to splash out. Fair play for people getting it done thou
     
  7. 28 Oct 2017 at 12:23 AM #47
    rusticm3

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    Find a good Indy my quote was no where near that
     
  8. 28 Oct 2017 at 8:13 AM #48
    M3POWERBOY

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    Mines on 99877 now
    In my 5 year ownership its had 3k oil changes

    Compression check in April @Redish came back good (so that was a relief!)

    My car is on the original bearings- it's something I'll get done in 2019 (unless I get paranoid about it!?) as I only do about 1-2k miles a year and TBH it's not driven that hard

    Daily drivers and track cars it's a no brainer to get them done for piece of mind though
     
  9. 28 Oct 2017 at 9:29 AM #49
    toplad

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    It's only a no brainer if it's prevalent, but it isn't,.
    It more likely to be completely unnecessary and a waste of money.
    The first step is to get an oil analysis and actually have some accurate information, rather than just a worry
     
  10. 28 Oct 2017 at 10:15 AM #50
    M3POWERBOY

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    Very true- what I mean is if mileage is high and it's on your mind

    If the oil analysis is something that will put your mind at rest then that's fine

    Some people would rather just get them done if it's a keeper etc
     
  11. 28 Oct 2017 at 10:26 AM #51
    Ohara

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    Speaking as someone who has no idea on this sort of thing what's involved in getting an oil sample tested. Is there someone on here that does it or can recommend where to get it done.
     
  12. 28 Oct 2017 at 10:42 AM #52
    rusticm3

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    There’s company’s that do it they send you a kit with a syringe. You post the sample back.
     
  13. 28 Oct 2017 at 11:12 AM #53
    Rich H

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    I used Miller Oils.

    Call them up to request a kit, they send you a small plastic jar and a form to express what your concerns are & car details. Easisest way to get the sample is to lift the oil filter out and let some run off down a funnel into the jar. 5 minutes later it's ready to go.

    http://www.millersoils.co.uk/services/oil-analysis
     
  14. 29 Oct 2017 at 8:56 AM #54
    coxym125

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    Did I pass you on the m5 coming from Taunton about 4/5ish? Dont see many steel grey cars and I kept slowing down to have a look:D looked tidy:thumbsup:
     
  15. 29 Oct 2017 at 12:16 PM #55
    Mabs27

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    Yes mate it was me.

    Gave you a friendly nod

    Cheers buddy she still needs some work. Your car is looking very clean and tidy aswell. Was gleaming in the sunshine
     
  16. 29 Oct 2017 at 8:30 PM #56
    Musik

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    2001, 100k, recalled at 18k. One of other owner before me, he was very regular with maintenance. Drives perfect and not worried!
     
  17. 30 Oct 2017 at 8:51 AM #57
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    Changed at 103k got lucky lucky lucky!!
     
  18. 30 Oct 2017 at 6:43 PM #58
    Steve B

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  19. 30 Oct 2017 at 7:54 PM #59
    Benchmark

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    There seems to be a pattern here.

    • Some are at high mileages and saying everything is fine... well you wouldn't know unless you looked!
    • Others have had it done and either found excessive wear and caught it just in time and one other recently who caught it too late and required a new engine.

    Not trying to create a panic but to the first bunch I have a message for you.
    All the M cars suffer with rod bearing wear. In fact when my M3 was in at Munich Legends for the job, a chap called in with a M5 V10 which had a wrecked engine caused by the rod bearings and wanted to have it inspected independently so he could try to claim on his warranty with BMW... was a strange request, but my point is that this is a common problem.

    If you are at 100k+ its something to consider, or don't... I mean its your car and your money and we are getting to a point now where these cars are going up in value and the less running M3's on the road equals more demand.
    I remember when E30s were buttons just 7 years ago.
     
  20. 30 Oct 2017 at 7:58 PM #60
    pastieman

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    Done mine @ 121k Miles year of mine is 2005

    They needed changing 1 & 6 were worn
     

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