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05-01-2018, 08:00 AM | #684 |
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2012 E92 with 58.3K on the clock. Bought it 1 year ago w/53K on it. I'm 3rd owner and the car was maintained well and seems not to have been abused, but followed CBS for oil changes, so about every 10-14K during first years. It's my DD, and my commute is mostly back roads/stop lights from 25-50MPH.
Shop is putting in BE bearings and ARP bolts, plus new engine mounts, and a few other miscellanous maintenance items. They say the crankshaft looks "beautiful". Additional Edit: The owner of the shop said that despite the appearance, mine were actually some of the best RB's he's seen pulled from an E9X M3. He said they were not even fully through the first layer. He believes that it's possible that BMW may have made some slight changes to tolerances in the later LCI year bearings (w/o calling attention to it, obviously), but that tolerance stacking was likely the main issue to begin with, and he does like the BE solution (also WPC coated bearings as well). Edit #2: Added more pics of the RB's and motor mounts
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Last edited by PACarGuy; 05-02-2018 at 07:53 PM.. Reason: Added more pics |
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05-01-2018, 08:36 AM | #685 |
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Congrats on the service and good outcome! Just one item to "nitpick" that may help others who are looking on. It isn't good practice to lube all of the bolts at once prior to installation unless your'e in a conditioned clean room environment. It opens the door to issues arising from debris sticking to the lube before you install the bolts. Debris can hamper torque readings but you just don't want sand, dirt, lint, etc on the threads inside a rod.
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05-01-2018, 09:34 AM | #686 | |
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05-01-2018, 10:19 AM | #687 | |
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BTW, what do you think of the condition of the RB's? I think the wear looks fairly significant for 58K miles, no? |
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05-13-2018, 08:19 AM | #688 |
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Replaced the rod bearings on my car yesterday.
Thanks, SYT_Shadow, for your great help. It was an awesome and quite intense day. 10 hours flew incredibly fast. Patient: M3 e90 2011. 86 000 miles I have no service history so i didn't know what to expect, however bearings was in a decent condition... Last edited by Audioslave686; 05-13-2018 at 09:57 AM.. Reason: pics added |
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05-13-2018, 10:18 AM | #689 | |
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05-13-2018, 03:48 PM | #690 |
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Bavarian Specialties in King of Prussia. Fantastic shop and extremely knowledgeable owner. They've been in biz for a long time and race BMW's too. Quote will depend on which bearings you go with, but somewhere between $2,100 - $2,400 for just bearing swap. Engine mounts add a bit more + oil and filter change, obviously.
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05-13-2018, 04:10 PM | #691 | |
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05-13-2018, 06:15 PM | #692 |
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They do look pretty decent, although the pics don't show the pitting the bearings had which didn't make me feel warm and fuzzy
The other car we did together with audioslave's had around 60k miles and they looked absolutely horrible. Hopefully the owner will chime in |
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05-14-2018, 02:36 AM | #693 |
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105k miles, unsure if they have been replaced before. Potentially newer aluminum style?
2009 (late build)
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05-14-2018, 05:29 AM | #694 |
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05-14-2018, 06:34 AM | #695 | |
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05-14-2018, 08:32 AM | #696 |
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05-14-2018, 08:47 AM | #697 |
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hopefully the other owner will chime in... his bearings were the worst I've seen so far. That engine wasn't going to make it much further!
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05-14-2018, 11:10 AM | #698 |
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The only explanation for why they haven't all blown up is that the S65 is somehow able to harness fanboy energy and use it to hold off bearing failures. We need a new poll about whether the owner is a true believer or heretic, other marques they own, comparisons to how much easier it is to make 335's fast made etc.
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05-25-2018, 04:32 PM | #702 |
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Guess I should add mine to the list.
Picked up the car late last year and did the bearings as a preemptive service. I used BE bearings and bolts. Very happy that I can now start trending the wear.
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05-25-2018, 05:43 PM | #703 |
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This is becoming a nice thread. Lots of fairly high mileage shells that comes out in a decent shape, after all.
Last edited by Helmsman; 05-26-2018 at 07:48 AM.. |
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05-25-2018, 06:35 PM | #704 | |
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I agree they look better . But the cause of the wave wear pattern is no good .
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