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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Tue, Jan-21-2020, 05:13:29 PM   #31
GG///M3
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Default Re: Subframe crack in my 2006 M3!

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Originally Posted by daumas View Post
Lets have a random deep thought.

The E46 M3 has only one serious problem. The rear subframe. It can go as early as 60k miles with normal driving.

Everything else is moot. Rod bearings, trim, leaks, whatever else. It's a high performance car. We could be changing engines multiple times a year like F1, but we're lucky enough that we don't have to do that. For what it is, minus the subframe, I think these cars are built pretty well.


Incorrect. Rod bearings, and vanos issues. The big 3


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Old Tue, Jan-21-2020, 05:20:27 PM   #32
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Default Re: Subframe crack in my 2006 M3!

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Originally Posted by Steve M3 View Post
997 started in 2005 so there is some crossover, but typically the 997 does go against the E9x cars as there was more overlap.

Yeah, let's all laugh about the LSDs while we frantically work to replace our rod bearings, vanos units, reinforce our subframes before the floors literally rip apart, have our dangerous airbags replaced, replace our RTABs so our rear tires last longer than 3k miles and the other laundry list of E46 items that need to be addressed on just about every example at this point. indeed.

e9X began production in 2006. I'm not sure how there can be any question to which generation is "same era"-- both e46 and 996 were produced from 1997 to 2006. Both had some models of the next generation (997 and e9X) begin production while the previous gen (996 and e46) were still being produced. The overlap could not be more perfect :P

If rod bearings wearing out is faulty engine design, GT3s are terrible. If bushings wearing out is indicative of shitty car design, every car made is shitty.
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Old Tue, Jan-21-2020, 05:22:31 PM   #33
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Default Re: Subframe crack in my 2006 M3!

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Incorrect. Rod bearings, and vanos issues. The big 3

Every high revving engine I know of wears out rod bearings. That's just part of the trade off of choosing a high revving engine. S65/S85 have a rod bearing issue (lottery failure). S2000s, e46 M3s, GT3s, whatever have rod bearing wear-- normal and expected for the type of engines they are.
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Old Tue, Jan-21-2020, 05:28:53 PM   #34
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Default Re: Subframe crack in my 2006 M3!

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Originally Posted by Obioban View Post
e9X began production in 2006. I'm not sure how there can be any question to which generation is "same era"-- both e46 and 996 were produced from 1997 to 2006. Both had some models of the next generation (997 and e9X) begin production while the previous gen (996 and e46) were still being produced. The overlap could not be more perfect :P

If rod bearings wearing out is faulty engine design, GT3s are terrible. If bushings wearing out is indicative of shitty car design, every car made is shitty.
996 started in 99 and ended in 2004, other than some 05 turbo models. The 997 was launched in 2005. I'm sure some things were different in other countries, so I'm referring to US models. As far as the BMW side of things, I'm only referring to the M3 production range from BMW because who would ever cross shop a 325i and a 911? No one.
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Old Tue, Jan-21-2020, 05:46:27 PM   #35
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Default Subframe crack in my 2006 M3!

Quote:
Originally Posted by Obioban View Post
Every high revving engine I know of wears out rod bearings. That's just part of the trade off of choosing a high revving engine. S65/S85 have a rod bearing issue (lottery failure). S2000s, e46 M3s, GT3s, whatever have rod bearing wear-- normal and expected for the type of engines they are.


I doubt the 911 has a rear subframe made of of tin can materials.


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Old Tue, Jan-21-2020, 05:47:45 PM   #36
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Default Re: Subframe crack in my 2006 M3!

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Originally Posted by Steve M3 View Post
996 started in 99 and ended in 2004, other than some 05 turbo models. The 997 was launched in 2005. I'm sure some things were different in other countries, so I'm referring to US models. As far as the BMW side of things, I'm only referring to the M3 production range from BMW because who would ever cross shop a 325i and a 911? No one.
https://en.wikipedia.org/wiki/Porsche_996

Quote:
The Porsche 996 is the internal designation for the 911 model manufactured from 1997 to 2006
https://en.wikipedia.org/wiki/BMW_3_Series_(E46)

Quote:
The BMW E46 is the fourth generation of the BMW 3 Series, which was produced from 1997 to 2006.
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Last edited by Obioban; Tue, Jan-21-2020 at 05:53:59 PM.
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Old Tue, Jan-21-2020, 05:53:17 PM   #37
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Default Re: Subframe crack in my 2006 M3!

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Show me a 97 or 98 996 available for sale in this country
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Old Tue, Jan-21-2020, 06:44:59 PM   #38
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Default Re: Subframe crack in my 2006 M3!

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Originally Posted by GG///M3 View Post
Incorrect. Rod bearings, and vanos issues. The big 3


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Sorry. Replacing parts at 100k miles for a high performance engine is not a problem.

If you see rod bearings as a problem you should have never buy a high performance car.

Maybe buy a Tesla if you want performance and fewer moving parts.
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Old Tue, Jan-21-2020, 06:48:37 PM   #39
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Default Re: Subframe crack in my 2006 M3!

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Originally Posted by GG///M3 View Post
I doubt the 911 has a rear subframe made of of tin can materials.


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No, it has its own list of issues. Pretty unlikely all cars would have the same weak points :P

Quote:
Originally Posted by Steve M3 View Post
Show me a 97 or 98 996 available for sale in this country
I don’t think not selling them in this country means they weren’t contemporary...
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Last edited by Obioban; Tue, Jan-21-2020 at 07:59:33 PM.
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Old Tue, Jan-21-2020, 07:28:49 PM   #40
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Default Re: Subframe crack in my 2006 M3!

Yeah, I would call your rear floor disintegrating from a car having a HUMONGOUS 260 lb-ft of torque a relatively major weak point. Anyone arguing that this car is reliable and has a well built chassis is being disingenuous.
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Discussing Subframe crack in my 2006 M3! in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)