\ 2008 82k miles Stock Rod Bearing Replacement /

pbonsalb · 04-10-2015, 02:26 PM

There don't seem to be any cases of stock rod bolt failure so even if ARPs are better, there does not appear to be a need for them. The only advantage of the ARPs to me is ease of installation.

08 E92 Jerez Black · 04-11-2015, 07:36 AM

Regular Guy, I'm with you, i'm a big believer in using ARP, but I cant justify pulling the Engine out to get what I see as Zero benefit, I haven't seen anything about someone having a stock rod bolt snap and losing a motor that was naturally aspirated yet.

squartus · 04-11-2015, 09:37 AM

You can also reuse the ARP's, saves money further down the line if you ever need to pop em out again.

08 E92 Jerez Black · 04-19-2015, 12:14 AM

Its late so Im only going to post this for tonight, but I just finished the bearing Service in my M3 with 87k miles on it, here are the piston side bearings from number 1 (Left) and number 8 (Right) all 8 had similar wear on the uppers. Mind you this is a street car that has never been on the track, and has a perfect mantience history....NOT GOOD!!! super happy I did the bearings now!!!

admranger · 04-19-2015, 06:51 PM

Quote:

Originally Posted by 08 E92 Jerez Black

Its late so Im only going to post this for tonight, but I just finished the bearing Service in my M3 with 87k miles on it, here are the piston side bearings from number 1 (Left) and number 8 (Right) all 8 had similar wear on the uppers. Mind you this is a street car that has never been on the track, and has a perfect mantience history....NOT GOOD!!! super happy I did the bearings now!!!

That seems to be a lot of wear. What oil change frequency did you do? Did you just pull them b/c of what you've seen here or did you have oil analysis data that indicated a need to do this?

Glad you got it done in time!

08 E92 Jerez Black · 04-19-2015, 10:51 PM

I pulled them because of what I saw here and other post on M3post. It seamed like a simple job for me (and it was) and not much money in the long run compared to a new engine. I wonder if all the s65 engines out there are in the same shape or worse, but people are getting lucky (till they ARENT.)

I bought the car from my best friend, he is crazy about maintenance, he was do them at 5k. the drain pan was spotless, I wish I took a pic of it. here is a pic of the rotating mass right after I pulled the pan.

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buddalun · 04-20-2015, 03:53 PM

Great work 08 E92 Jerez Black.

Thanks for the info and pics.

04-10-2015, 02:26 PM	#45
pbonsalb Lieutenant General 5225 Rep 10,609 Posts Drives: 18 F90 M5, 99 E36 M3 Turbo Join Date: Feb 2011 Location: New England iTrader: (4)	There don't seem to be any cases of stock rod bolt failure so even if ARPs are better, there does not appear to be a need for them. The only advantage of the ARPs to me is ease of installation.
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04-11-2015, 07:36 AM	#46
08 E92 Jerez Black Private 37 Rep 85 Posts Drives: 2008 e92 M3 6 speed Join Date: Apr 2015 Location: United States iTrader: (1)	Regular Guy, I'm with you, i'm a big believer in using ARP, but I cant justify pulling the Engine out to get what I see as Zero benefit, I haven't seen anything about someone having a stock rod bolt snap and losing a motor that was naturally aspirated yet.
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04-11-2015, 09:37 AM	#47
squartus Major 314 Rep 1,017 Posts Drives: 2010 E92 M3 6MT Join Date: Apr 2013 Location: Mississippi iTrader: (0) Garage List 2010 E92 BMW M3 [10.00]	You can also reuse the ARP's, saves money further down the line if you ever need to pop em out again. __________________ 4.4L LC stroker/ESS VT2-625/Volk te37 sl's/AA exhaust/DSS Carbon Fiber driveshaft/ARH Headers.. etc
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04-19-2015, 12:14 AM	#48
08 E92 Jerez Black Private 37 Rep 85 Posts Drives: 2008 e92 M3 6 speed Join Date: Apr 2015 Location: United States iTrader: (1)	Its late so Im only going to post this for tonight, but I just finished the bearing Service in my M3 with 87k miles on it, here are the piston side bearings from number 1 (Left) and number 8 (Right) all 8 had similar wear on the uppers. Mind you this is a street car that has never been on the track, and has a perfect mantience history....NOT GOOD!!! super happy I did the bearings now!!! Attached Images
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04-19-2015, 10:51 PM	#50
08 E92 Jerez Black Private 37 Rep 85 Posts Drives: 2008 e92 M3 6 speed Join Date: Apr 2015 Location: United States iTrader: (1)	I pulled them because of what I saw here and other post on M3post. It seamed like a simple job for me (and it was) and not much money in the long run compared to a new engine. I wonder if all the s65 engines out there are in the same shape or worse, but people are getting lucky (till they ARENT.) I bought the car from my best friend, he is crazy about maintenance, he was do them at 5k. the drain pan was spotless, I wish I took a pic of it. here is a pic of the rotating mass right after I pulled the pan.
	Appreciate 0 Quote

04-20-2015, 03:53 PM	#51
buddalun Lieutenant Colonel 679 Rep 1,934 Posts Drives: 911 x 2, Tesla M3P & MYP Join Date: Dec 2014 Location: USA iTrader: (7)	Great work 08 E92 Jerez Black. Thanks for the info and pics.
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