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BMW M3 Maintenance and Repair

228 messages,  Last post on Nov 05, 2009 at 9:24 PM

You are in the BMW M/M3/M6 Forum. Your Host is claires

What is this discussion about? BMW M3, Coupe, Convertible


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#184 of 228
Re: 540i suspension [Mr_Shiftright] by roadburner
Aug 08, 2008 (7:59 pm)
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Replying to: Mr_Shiftright (Aug 08, 2008 5:58 pm)

I've heard some really scary numbers here. We are talking thousands of dollars, right?
 
$831 each for the front and $542 each for the rear. $2746 for all four. My E24 M6 had the self-leveling rear shocks and it was a simple matter to switch over to regular Bilsteins if you didn't want to pay to fix whatever failed. I don't see why you couldn't simply replace the EDC shocks with Bilstein Sport or BMW M Sport dampers. As for bargain shocks, I have a friend who fitted Monroe shocks to his E39 wagon. He's a fairly hard-core enthusiast and he was pleased with the results(the Monroes are made in Europe, FWIW).
#185 of 228
Re: 540i suspension [roadburner] by Mr_Shiftright HOST
Aug 09, 2008 (8:23 am)
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Replying to: roadburner (Aug 08, 2008 7:59 pm)

Well that's what I thought, too, so I sent him over to Bilstein, but they seem to be quibbling about this conversion. I really don't know myself, never tried it, but I'm sure some detective work could solve this problem. SOMEONE out there has done this already, i'm sure, and can give feedback.
 
Well anyway, thanks for that. We seem to be drifting out of M3 territory, so maybe we should get back on topic, unless this also applies to M3 cars. ??
#186 of 228
Convertible top won't go up! by rroscher
Oct 12, 2008 (6:59 am)
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my top stops half way up...It will go back down but won't go all the way up. it's Sunday so I thought I might throw this out for a quick solution!
 
Thanks,
 
Rroscher
#187 of 228
Re: Convertible top won't go up! [rroscher] by Mr_Shiftright HOST
Oct 12, 2008 (7:17 am)
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Replying to: rroscher (Oct 12, 2008 6:59 am)

Sounds like the hydraulic unit might be bad. I believe you can peak at it and look for leaks by removing the left side trim in the trunk. It's under the NAV computer and the radio receiver. If there's no leak I guess you have to bring it in and have it tested.
 
So can you gently urge it upwards with your hand? If it works with hand-assist, I'd say it's probably hydraulic. If it just jams up there, maybe there's a busted arm or bad bushing in the mechanicals.
#188 of 228
Re: Convertible top won't go up! [Mr_Shiftright] by rroscher
Oct 12, 2008 (7:28 am)
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Replying to: Mr_Shiftright (Oct 12, 2008 7:17 am)

Thanks! I tried a little more than gentle urge to no avail...It stops at the exact same spot every time, very strange...but it will go back down w/o any trouble. Could not find anything blocking it.
#189 of 228
Re: Convertible top won't go up! [rroscher] by Mr_Shiftright HOST
Oct 12, 2008 (7:38 am)
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Replying to: rroscher (Oct 12, 2008 7:28 am)

Okay. Does the motor keep humming or does it abruptly stop?
#190 of 228
Re: Convertible top won't go up! [Mr_Shiftright] by rroscher
Oct 12, 2008 (7:49 am)
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Replying to: Mr_Shiftright (Oct 12, 2008 7:38 am)

Keeps humming...
#191 of 228
Re: Convertible top won't go up! [rroscher] by Mr_Shiftright HOST
Oct 12, 2008 (8:10 am)
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Replying to: rroscher (Oct 12, 2008 7:49 am)

Okay I'm thinking loss of hydraulic pressure. Just a guess because we don't seem to have a jam (mechanical) and the motor is working (electrical) so by elimination....?
 
You might check for a hydraulic leak, as that could damage the upholstery or paint surfaces back there.
#192 of 228
Re: Convertible top won't go up! [Mr_Shiftright] by rroscher
Oct 12, 2008 (8:47 am)
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Replying to: Mr_Shiftright (Oct 12, 2008 8:10 am)

No leaks!
#193 of 228
Re: Convertible top won't go up! [rroscher] by Mr_Shiftright HOST
Oct 12, 2008 (9:20 am)
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Replying to: rroscher (Oct 12, 2008 8:47 am)

gotta be the pump. Internal pressure loss?

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