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E90 M3 (Sedan) | E92 M3 (Coupe) | E93 M3 (Convertible) (2008-2013) {Engine: S65 - Max Hp: 414 hp (420 hp Euro) at 8,300 rpm / 295 lb/ft at 3,900 rpm}


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Old Wed, May-22-2019, 01:10:30 AM   #11
pbonsalb
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Default Re: New to me M3. From e36 to e90.

If they were done, I doubt BMW did them.
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Old Wed, May-22-2019, 06:54:17 PM   #12
Bmwpower603
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Default Re: New to me M3. From e36 to e90.

Contacted the original owner. He didn’t do them.

I called 3D Autoworks in Hudson NH. Reputable BMW repair shop.

They advised me not to touch the bearings. Since the mileage is to high that there could be scoring on the crank. Which in that case I would need a whole new engine/ rebuild. So in other words I bought a car that needs a rebuild. (Unless there is no scoring)

They told me to get an oil sample. And drive it...

Is this really what should be done? That sounds like a ticking time bomb if you ask me.

Last edited by Bmwpower603; Wed, May-22-2019 at 08:47:00 PM.
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Old Wed, May-22-2019, 08:49:38 PM   #13
pbonsalb
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Default Re: New to me M3. From e36 to e90.

I personally would not risk it. While most M3 are still on their original bearings, it seems like one fails every few weeks. And of course just a small number if owners are forum members who report failures. I have been following the issue since I bought my 08 in 2011 and changed them when the extended warranty ran out in 2014. I saved money by doing them myself. From the many pictures of removed bearings posted, 90% look excessively worn. If 90% looked good, I would not worry, but that is not the case. The best E9xM3 info is at M3post dot com.
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Old Thu, May-23-2019, 04:59:55 AM   #14
snikwad
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Default New to me M3. From e36 to e90.

Quote:
Originally Posted by Bmwpower603 View Post
Contacted the original owner. He didnít do them.

I called 3D Autoworks in Hudson NH. Reputable BMW repair shop.

They advised me not to touch the bearings. Since the mileage is to high that there could be scoring on the crank. Which in that case I would need a whole new engine/ rebuild. So in other words I bought a car that needs a rebuild. (Unless there is no scoring)

They told me to get an oil sample. And drive it...

Is this really what should be done? That sounds like a ticking time bomb if you ask me.


Huh. That doesn't make sense to me. So wait till it spins a bearing and sends metal bits everywhere. Clogging oil jets and vanos (that's if the rod and piston don't take flight and depart the block) or change the damn things and if you need a crank, you send it to Lang racing and have it machined.
I mean, if the crank journals are scored and still running, then that means the crank can be saved.
If you wait till it fails. You're gonna need a lot more than a possible crank.

I'm no engine builder, but that's just logical to me.


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Old Mon, May-27-2019, 08:53:49 PM   #15
Bmwpower603
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Default Re: New to me M3. From e36 to e90.

Hereís the quote. Iím having bearings done. On June 5th


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Old Sun, Jun-09-2019, 04:29:28 AM   #16
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Default Re: New to me M3. From e36 to e90.

How'd it go?
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Discussing New to me M3. From e36 to e90. in the E90 M3 (Sedan) | E92 M3 (Coupe) | E93 M3 (Convertible) (2008-2013) Forum - {Engine: S65 - Max Hp: 414 hp (420 hp Euro) at 8,300 rpm / 295 lb/ft at 3,900 rpm} at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)