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12-06-2018, 04:35 PM | #1 |
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2009 E90 DCT - 96K Miles - Original Rod Bearings changed today.
Replaced with BE bearings and BE-ARP bolts. How was my timing? One thing of note... car is WAY calmer at idle and low RPM. Only one drive so far, will post updates tonight.
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12-06-2018, 04:44 PM | #2 | |
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Drives: 2008 E93 Space Grey M3 DCT
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![]() Yikes. Re: idle, did they swap the engine mounts too? I know some places do that at the same time often when they do the RB swap. |
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12-06-2018, 04:54 PM | #3 | ||
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12-06-2018, 05:16 PM | #4 | |
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Drives: 2008 E93 Space Grey M3 DCT
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I have a tiny bit of chatter under load that I only hear when I'm near walls, etc. that can reflect it up through my open window, but now I'm tempted to do the bearings right before my warranty runs out and see what happens. Glad you're happy! |
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12-06-2018, 05:29 PM | #5 | ||
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12-06-2018, 05:34 PM | #6 |
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Well aged engine mounts can leave the oil pan resting against the steering rack.
I doubt that the bearing change made a significant difference there. (But you obviously really needed to do it!)
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12-06-2018, 05:35 PM | #7 |
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12-06-2018, 07:27 PM | #11 |
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No, not in my brain, deadly serious. I can't even describe how I tracked the noises and driving feel in my head, but I did. it's night and day. now, whether or not it's mounts or RB, I don't know, but I do know it's a different car in terms of driveability.. I am extremely OCD about the little things, so I know when they change.
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12-06-2018, 07:28 PM | #12 |
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Those look pretty ratty. It was a good idea to change them. Changing the bearings did not change any noises. That was from changing the mounts.
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12-06-2018, 07:32 PM | #13 | |
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12-06-2018, 07:33 PM | #14 |
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I was told to drive it easy for 500 miles... I've read both sides of that on here, but curious if anyone can convince me it's ok to at least go to 6K a few times
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12-06-2018, 08:42 PM | #15 |
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Mine were about the same as yours back in October when I had them done; 08 w/ 76k miles on them. The car was rarely driven hard. I didn't notice any difference in idle or other sounds.
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12-06-2018, 08:48 PM | #16 |
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A break in period is not required. Drive it!!
That's they way I drove it after I did my own rod bearings a couple of years ago. |
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12-06-2018, 08:51 PM | #17 |
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Agreed; drive it. Ideally, RB's are not a "moving" part. You just replace the old ones to ensure that haha. I drove my car home from the shop, made sure there were no odd noises or anything out of the ordinary, and continued to drive it "normally" the following day.
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12-06-2018, 10:30 PM | #19 |
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yea, that's like something was in there and got smashed into it causing that groove. Did BPC do the work for you? They did mine, great guys, super happy w/ their work.
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12-06-2018, 10:34 PM | #20 | |
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12-06-2018, 10:36 PM | #21 |
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BPC is Bimmer Performance Center in N. Raleigh. Prob a bit far for you living in the triad though.
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