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E34 (1989 - 1995)

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  #1  
Old 06-17-2015, 09:56 AM
Nutbeem Nutbeem is offline
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Mein Auto: 1991 535i 5-Speed
Need advice, car stuck in Hollywood

Guys, need some advice if you have a minute:

My daughter was driving the 535i in Hollywood last night, she says she started hearing a loud hissing sound every time she would engage the clutch. By the time she got out of the event, depressing the clutch would not take the car out of gear.

(I wasn't there, so I don't know if it went limp, spongy, whatever), but when she would try to start the car with the clutch depressed, it would jump forward like the clutch wasn't engaged at all.

Here comes the fun part - it was towed to a local shop, the guy tells me it will be $1000 for a new clutch because "in the BMW, everything comes out to replace the clutch - driveshaft, everything". He wants to replace the clutch.

Here's my thing - a) the car has 49,000 ORIGINAL MILES (bought it off ebay because it was so low mileage), and b) I've never had a clutch go bad like this - normally it's slips for a while and you know it's going out.

Any ideas? Thoughts?

Thanks,
Rick
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  #2  
Old 06-17-2015, 10:05 AM
veery veery is offline
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Could be a hydraulic leak causing the hiss. Pushing in the pedal will leave the clutch engaged. Everything else might be OK and just have the leak repaired and fluid added.
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Last edited by veery; 06-17-2015 at 10:07 AM.
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  #3  
Old 06-17-2015, 10:11 AM
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Monsignor Monsignor is offline
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A hissing noise? like fluid escaping?

That car needs to have the following looked at:
  • Master cylinder
  • Slave cylinder
  • Rubber hoses that connect the hard lines between the two

And having to take driveshaft and transmission out of the car for a clutch is not a BMW-specific process. That's how every clutch comes out. Tell that mech to shove it, take it to another.
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  #4  
Old 06-17-2015, 12:39 PM
MySatinDoll MySatinDoll is offline
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I agree with what's been stated, sounds like the brake master cylinder/BMC or the slave cylinder went.

With the car off did or does the hissing sound as if it's coming from under the hood or under the car?

IMO it actually sounds like the seals in your BMC or in the slave cylinder have failed.

Both jobs are not hard to do if you want to try it.
The only issue is obtaining both. All the e34 manual models have different BMCs and if I'm right the slave cylinders are different also.
Unfortunately these parts you don't want to buy off ebay, used or reman.
Fortunately I have a BMC from my old 535 that is rock solid. So if you need Joey gots!!!!
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Last edited by MySatinDoll; 06-17-2015 at 12:41 PM.
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  #5  
Old 06-17-2015, 08:51 PM
Type44 Type44 is offline
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Mein Auto: 1995 540i/6
That's hydraulics. Simple fix. Anyone in LA able to sort this guy out? Closest I can think of is Imae34 and he's in Orange County. My guess is that the flex hose between the cylinders has blown and the hiss is fluid spraying instead of actuating the slave cylinder.
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  #6  
Old 06-17-2015, 10:07 PM
Nutbeem Nutbeem is offline
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Thanks guys - had it towed to my regular shop in Upland - I'll make sure he knows that it may be the flex hose, I'll let you know.
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  #7  
Old 06-18-2015, 06:09 AM
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Monsignor Monsignor is offline
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Quote:
Originally Posted by Nutbeem View Post
Thanks guys - had it towed to my regular shop in Upland - I'll make sure he knows that it may be the flex hose, I'll let you know.
Also the master cylinder on the clutch pedal and the slave cylinder on the trans. They have seals that would fail due to age. I know 50k miles is nothing but its still 25 years old.
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  #8  
Old 06-18-2015, 04:49 PM
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BMWFatherFigure BMWFatherFigure is offline
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BTW - NEVER sit in traffic stationary in gear. This = death to your thrust (not relaease) bearing, followed by the crank bing reduced to scrap. +1 on checking the clutch hydraulics first.
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  #9  
Old 06-19-2015, 12:48 PM
Nutbeem Nutbeem is offline
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Guys - story takes a terrible turn.

Had the car towed to my regular shop who basically said the same thing as the first shop - clutch is fried, pilot bearing melted, and the dual mass flywheel is warped.

I said "How the hell does a car with 49,000 miles have a destroyed clutch", and all he can say is that the PO must have badly abused it.

Anyway, he got it apart and he says a "dual mass flywheel cannot be machined", so unless I want clutch shudder every time I shift, I need a new flywheel.

Problem is, I can't find one and neither can he.

I have the part number, but nothing seems available at any of the online stores, amazon or Ebay, and he says none of his dealer contacts have these in stock either - not even the wreckers.

Any thoughts or ideas where to go from here?

Rick
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  #10  
Old 06-19-2015, 01:33 PM
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Monsignor Monsignor is offline
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Find somebody parting a car out. I can't believe you cant find a flywheel.

Check here

Also, Andy is an awesome dude. He's hooked me up with a lot of parts.

EDIT: You and your mech have google, right? Turner M30 flywheel
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2014 F-150 9k mi

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Last edited by Monsignor; 06-19-2015 at 01:51 PM.
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  #11  
Old 06-19-2015, 02:14 PM
Nutbeem Nutbeem is offline
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Mein Auto: 1991 535i 5-Speed
Thanks Monsignor - the M30 flywheel link doesn't appear to be dual mass, I have an inquiry in - also I've contacted the parts guy about his wreckers.

This is a big PITA, and I can't believe I have put so much money into this "great condition, low mileage 535" - worst ebay buy ever.
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  #12  
Old 06-19-2015, 06:11 PM
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Monsignor Monsignor is offline
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Location: Pineapple Under the Sea
 
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does it have to be a dual mass? can you "retrofit" a standard flywheel? that way you'll have more options if it ever needs to be replaced, or will be able to be resurfaced.
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1995 525iA 250k mi
2003 350Z 90k mi FOR SALE
2014 F-150 9k mi

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  #13  
Old 06-19-2015, 07:21 PM
south26 south26 is offline
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Yes you can do the e28 fly wheel. I did this last summer and have been very happy, lost 10lbs with going with the single mass from a 86 535i, which weighed 22lbs.


to do this
1. Single mass fly wheel from any car with a m30 (e28 533i, 535i), (e24 all) (e23 all), (e32 735i) (e12 all)
2. The correct clutch kit: Clutch and plate
3. The correct fly wheel bolts: The ones used for the duel mass are to long and will go to far into the block.

The rest is the same, I would not go below the 14lb fly wheel but if you want to you can. The great thing is that the Mechanic already has to replace these parts since they are bad on your duel mass fly wheel.

Sorry will not have the duel mass fly wheel until after next week. If you want to look for a single mass I would look on Mye28.com

Also your mechanic is wrong I found 2 sites selling the duel mass. The parts number is 21211223010
http://www.bavauto.com/shop.asp
http://www.pelicanparts.com/cgi-bin/...hButtonGo.y=11



Andy

Last edited by south26; 06-19-2015 at 07:43 PM.
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  #14  
Old 06-19-2015, 07:26 PM
south26 south26 is offline
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Thanks Monsignor

Andy

Last edited by south26; 06-19-2015 at 07:27 PM.
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  #15  
Old 06-20-2015, 06:49 AM
Type44 Type44 is offline
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Mein Auto: 1995 540i/6
FWIW, I have had good luck with dressing the friction surface with a Scotchbrite disc, on dual mass flywheels which are unavailable, or incredibly expensive. No chatter. YMMV... Don't beat yourself up too much about the 535i "abuse" in past, IME it just takes a few sessions of teaching a poor student to drive stick to roach the clutch on any car. There's a GTI some guy bought new for his kid, I put a clutch in at 11k...
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  #16  
Old 06-20-2015, 08:10 AM
south26 south26 is offline
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Here is a link for a person selling a duel mass from here
http://www.bimmerfest.com/forums/sho...d.php?t=849797


Andy
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  #17  
Old 06-21-2015, 11:18 AM
Nutbeem Nutbeem is offline
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You guys are awesome, what can I say.

I'll print this out and head over to the shop on Monday, will report back!

Rick
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  #18  
Old 06-21-2015, 05:32 PM
south26 south26 is offline
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We know.


Andy
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  #19  
Old 06-23-2015, 04:33 PM
drewdane drewdane is offline
Just this guy, you know?
Location: White Settlement, TX
 
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Mein Auto: 1994 525i
http://www.ebay.com/itm/131529308962

Don't like eBay?
http://www.ecstuning.com/Search/Site...23010/ES40998/
https://www.fcpeuro.com/products/bmw...el-21211223010
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  #20  
Old 06-23-2015, 06:57 PM
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BMWFatherFigure BMWFatherFigure is offline
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Learners and clutch fry? A friend of my daughter fried a clutch in a Landcruiser in one day - her first time in a vehicle. Good effort, I thought.
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  #21  
Old 06-23-2015, 07:50 PM
Nutbeem Nutbeem is offline
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Drewdane thanks so much for the link - I had checked ebay and couldn't find this, I picked it up - It's $300 cheaper than any other one I'd found, great call.

On the issue of the clutch, I just don't get it - the more I think about it, the more disturbed I am.

If you check my posts from a year ago when I got the car, I was complaining about a super stiff clutch - after driving it in traffic for 30 minutes, my leg was numb - not the smooth shifting experience I remember from my last 535.

I gave the car to my daughter, and a couple of weeks ago I started hearing the hissing when I would depress the clutch - even an inch, and you'd hear "hssssss"

Other than the hiss, it shifted fine - no slip, nothing I would expect from a failing clutch.

Then BOOM, strands the daughter in Hollywood with no other warning - and two mechanics tell me the clutch is destroyed. I just don't get it, 49k.

How effing terrible can you be at shifting gears for you to demolish a clutch like that?

Of course, the elephant in the room is maybe it was my daughter....
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  #22  
Old 06-24-2015, 06:37 AM
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Monsignor Monsignor is offline
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I'm not going to sugar coat it:

You're daughter needs some 3 pedal lessons.

My ex-gf gave 4 shots (all stalls) on my E90. Only 4, and it never really felt the same after that.
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