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Old 05-26-2012, 09:05 PM   #201
M3N7AL
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Originally Posted by Aussiemark View Post
My subframe clunk was on starting to move the car, especially reversing after going forward, or going forward after reversing. It was louder than the SMG clunk, which changes depending on the driving mode.
Ahh k. Cause i get clunks coming from the gearbox upon changing from Reverse to 1st, vice versa.

It clearly comes from the front/middle of the car (gearbox).

Is there any other symptoms to know if your subframe is damaged? I have a 2004 SMG Convertible.
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Old 05-26-2012, 09:38 PM   #202
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Originally Posted by M3N7AL View Post
Ahh k. Cause i get clunks coming from the gearbox upon changing from Reverse to 1st, vice versa.

It clearly comes from the front/middle of the car (gearbox).

Is there any other symptoms to know if your subframe is damaged? I have a 2004 SMG Convertible.
The subframe has a crack in it when you get underneath and look at it.
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Old 05-27-2012, 06:57 AM   #203
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Can we ask how much your half of the repairs were?
About two and a half grand. They quoted $4,800 for the total cost. I supplied the plates. I think that it took them more floor time than they quoted, but they absorbed that then sent me the bill for half. I also replaced the shock mounts with urethane and reinforced the front tower before the alignment.

By the way, I checked out your SC install on YouTube. It looks great. I know that it's off-thread, but how much was it and who can you insure it with? Maybe PM me.

Cheers
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Old 05-27-2012, 04:50 PM   #204
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About two and a half grand. They quoted $4,800 for the total cost. I supplied the plates. I think that it took them more floor time than they quoted, but they absorbed that then sent me the bill for half. I also replaced the shock mounts with urethane and reinforced the front tower before the alignment.

By the way, I checked out your SC install on YouTube. It looks great. I know that it's off-thread, but how much was it and who can you insure it with? Maybe PM me.

Cheers
4.8k? Sounds like they may have done the epoxy method? I dunno that just sounds too cheap to be a full replacement of the floor pan? When I had mine done, the bill from the body shop TO BMW was around the 12k mark. So that didnt include BMW's labour to strip the car!

The whole install of the S/C was 12k. That also included 6 new coils cause one of them started misfiring. The car, S/C and all mods are insured with Justcars. I dont have a bill handy but iirc, it about 1540 p/a. That's having the car insured for 54k.
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Old 10-30-2012, 07:04 PM   #205
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Hi Guys,

If I wanted to do a subframe re-enforcement kit as part of preventative maint, will I still be up for 5k bill? or will it be around the 1k mark?

Cheers.
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Old 10-30-2012, 08:20 PM   #206
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Hi Guys,

If I wanted to do a subframe re-enforcement kit as part of preventative maint, will I still be up for 5k bill? or will it be around the 1k mark?

Cheers.
It's a full days work to get the subframe in & out plus a couple of hours messing around with the plates. It wont be 5k unless you get BMW to do it.
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Old 10-30-2012, 08:23 PM   #207
ating
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Yeah I've thought about doing it, but then my mechanic said for the cost of installing the kit, it's probably the same as repairing a small hairline crack in the sub-frame. So I just get mine regularly checked out. I still might consider it though. Where are you getting your reinforcement kit from [SeN]?
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Old 10-30-2012, 11:24 PM   #208
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It's a full days work to get the subframe in & out plus a couple of hours messing around with the plates. It wont be 5k unless you get BMW to do it.
That's good to hear, no way I'll get a stealership to do the job if its for preventative maintenance.

Quote:
Originally Posted by ating View Post
Yeah I've thought about doing it, but then my mechanic said for the cost of installing the kit, it's probably the same as repairing a small hairline crack in the sub-frame. So I just get mine regularly checked out. I still might consider it though. Where are you getting your reinforcement kit from [SeN]?
+1 I get mine regularly checked as well.
Was thinking of ordering it from Turner Motorsports.
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Old 10-31-2012, 05:22 PM   #209
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Just a reminder guys, that even though you can install the reinforcement plates like the ones from turner motor sports, it doesn't mean you have "fixed" the problem. Your car will still be prone to subframe cracking. All your doing is pro-longing it just that bit more. Your driving habits really dictate when its going to fail.

The only real way to "FIX" the problem is to do what Alan (02PRUV) has done. If you search some of his threads you will see.
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Old 10-31-2012, 06:01 PM   #210
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But realistically how weak are the actual subframes? A lot of talk about them cracking just scares everyone, just like the SMG gearbox failing. Realistically it's not that likely to happen to you unless you are unlucky, drive the crap out of our car frequently or track your car.
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Old 10-31-2012, 06:50 PM   #211
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But realistically how weak are the actual subframes? A lot of talk about them cracking just scares everyone, just like the SMG gearbox failing. Realistically it's not that likely to happen to you unless you are unlucky, drive the crap out of our car frequently or track your car.
Unfortunately mate, your statement is completely wrong. With the subframe it its not a matter of "if", its a matter of "when".

It WILL happen to you, all you can do is be pre-paired and keep an eye on it, catching it in its early stages (cracks) just makes it cheaper to repair. Also, driving you car hard, just means it will happen sooner.
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Old 10-31-2012, 07:01 PM   #212
ating
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But realistically how weak are the actual subframes? A lot of talk about them cracking just scares everyone, just like the SMG gearbox failing. Realistically it's not that likely to happen to you unless you are unlucky, drive the crap out of our car frequently or track your car.
I think on this forum at least, there appears to be more SMG issues than sub-frame issues. They're still issues though. Yeah some people say it's just a matter of time, and that may be so, but it may be at like 200k kms. Like in the US they're always going on about them, but if you look at their cars, a lot of them have done 100-150k miles. That's a lot more kms than the ones we have here in Australia.
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Old 10-31-2012, 07:28 PM   #213
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I found mine had failed at approx 72,000km. Had two cracks, one was 4inches, and the other 2inches long - by the size of the cracks id say it had happened alot earlier though :/

And the car was bone stock when I found them.
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Old 10-31-2012, 08:15 PM   #214
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I found mine had failed at approx 72,000km. Had two cracks, one was 4inches, and the other 2inches long - by the size of the cracks id say it had happened alot earlier though :/

And the car was bone stock when I found them.
+1

My car failed at 41k, pics are floating around. Only visible in the car if you knew where to look and cleaned the surface.

IMO it is a much bigger problem than SMG issues, you just need to look at the lists and the fact there was a class action in the US.

EDIT: I think it also needs to be pointed out that the e46 hasn't been in production for 6 years. You may even find that you have bought would have already had the repair done if you are coming into ownership now so it should last to 100k or more. Back in early 07 when mine was done there was 3 M3's on hoists at adelaide motors getting repaired, even here, Adelaide motors had several jigs made to bolt to the E46 chassis so the car could be transported. The repairer I used said he was getting about 1 e46 M3 every couple of months for a couple of years.

Last edited by CortinaD; 10-31-2012 at 08:23 PM.
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Old 10-31-2012, 08:21 PM   #215
[SeN]
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I found mine had failed at approx 72,000km. Had two cracks, one was 4inches, and the other 2inches long - by the size of the cracks id say it had happened alot earlier though :/

And the car was bone stock when I found them.
Damn, sorry to hear man.
Did you buy ur car brand new?

I think by adding bigger, wider and thus usually a heavier wheels and then doing hard launches and burn outs will surely add more stress to the subframe. After all its carry more weight. That's just my opinion and I could be wrong.
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Old 10-31-2012, 09:23 PM   #216
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Did you guys pay for the repair yourself or did you get BMW Australia to cover it?
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Old 10-31-2012, 09:39 PM   #217
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Did you guys pay for the repair yourself or did you get BMW Australia to cover it?
BMW paid for mine
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Old 10-31-2012, 09:43 PM   #218
ating
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The ones I read affected earlier model M3s more. What year is your M3 CortinaD? I notice Honro is 2002.

And yer, don't think BMW will pay for it nowadays...

I read someone say that BMW might cover your car up to 10 years from date of manufacture. Not sure how true that is.
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Old 10-31-2012, 09:47 PM   #219
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The ones I read affected earlier model M3s more. What year is your M3 CortinaD? I notice Honro is 2002.

And yer, don't think BMW will pay for it nowadays...

I read someone say that BMW might cover your car up to 10 years from date of manufacture. Not sure how true that is.
March 2004
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Old 11-01-2012, 06:28 AM   #220
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The ones I read affected earlier model M3s more. What year is your M3 CortinaD? I notice Honro is 2002.

And yer, don't think BMW will pay for it nowadays...

I read someone say that BMW might cover your car up to 10 years from date of manufacture. Not sure how true that is.
That's not the case. This has happened to all 3 series BMW's from E30's, E36's, E46's. It affects every model from a 318i to an M3. Year of manufacture doesn't mean anything.

I have seen a granny driven 318i put on a hoist and the only thing holding the rear end in the car was the exhaust.

As soon as it starts cracking it continues to get worse quick.
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