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BMW Diesel Owners / Enthusiasts
Do you own a diesel powered BMW? Maybe a 335d or a BMW x35d? Come and talk about what makes your car great!

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  #76  
Old 07-21-2011, 06:15 AM
cssnms cssnms is offline
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I am taking my car back in for an oil change when I return from vacation at which point I will let my SA know it's happening AGAIN, not a month after they replaced all AC pullies, tensionors and belts.
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  #77  
Old 07-21-2011, 07:24 AM
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bayoucity bayoucity is offline
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Quote:
Originally Posted by cssnms View Post
I am taking my car back in for an oil change when I return from vacation at which point I will let my SA know it's happening AGAIN, not a month after they replaced all AC pullies, tensionors and belts.
Chris,
Did they replace your compressor unit?
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  #78  
Old 07-22-2011, 10:00 AM
cssnms cssnms is offline
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Quote:
Originally Posted by bayoucity View Post
Chris,
Did they replace your compressor unit?
Not yet, but perhaps that is the next step?
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  #79  
Old 07-26-2011, 09:16 AM
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BMW Power BMW Power is offline
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They are replacing my compressor. Sounds like a lot of these are failing.
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  #80  
Old 07-26-2011, 06:22 PM
edwin191 edwin191 is offline
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I just took a Flip video of my car screeching in prep for Monday's visit to the dealer. Hoping they're able to get this issue addressed for the D community. Anyone have any idea if the 328i and 335i are experiencing the same issues? My 07 335i never made a peep...
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  #81  
Old 07-26-2011, 06:46 PM
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My 08 335i never made a sound either, seems this is a D issue.
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  #82  
Old 07-26-2011, 07:11 PM
Never Enuff Never Enuff is offline
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I just had the nasty "squeal" after a cold start up on my new d with only 200 miles, and I am virtually certain it sounded consistent with an AC compressor bearing problem. I had not even noticed this thread yet, but of course now it has caught my attention.

Perhaps the belts are being tightened too tight at the factory and stressing the compressor bearings?.

I took it in today and my dealer was very accomodating, but "apparently" the dealer was not able to replicate the problem. I'm told they loosened it up, and then tightened it a couple times, but no confirmation for certain that the AC compressor tension was the culprit. Anyway, I got to drive around in a nice 135i sport convertible for a few hours and that was a nice touch, but I hope that is the end of that nasty squeal problem for my d.
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  #83  
Old 07-27-2011, 03:35 PM
Runnerman2 Runnerman2 is offline
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We had the same squeal that began at approximately 8,000 miles and was intermittent. I finally narrowed it down just by trial and error to the belt that runs the air conditioner compressor. Dealer replaced at no charge--took a couple of hours---problem now solved.
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  #84  
Old 07-27-2011, 07:25 PM
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Quote:
Originally Posted by Runnerman2 View Post
We had the same squeal that began at approximately 8,000 miles and was intermittent. I finally narrowed it down just by trial and error to the belt that runs the air conditioner compressor. Dealer replaced at no charge--took a couple of hours---problem now solved.
Seems like some have had the belt replaced only to have it return later. I hope the compressor replacement I am getting is a more permanent fix, although some have had it return after this too.
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  #85  
Old 07-27-2011, 07:48 PM
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bayoucity bayoucity is offline
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Update after 3 weeks.

After the compressor replacement on July 6th, everything is running beautifully. No more squeal. The belt looks clean so far.

@BMW Power
What is your waiting time for that AC compressor unit? Did they have to order from Munich?
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  #86  
Old 07-27-2011, 08:32 PM
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Originally Posted by bayoucity View Post
@BMW Power
What is your waiting time for that AC compressor unit? Did they have to order from Munich?
They ordered on Monday and it is supposed to be here tomorrow. They didn't say where they ordered from, but it sounds local.
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  #87  
Old 07-28-2011, 05:53 AM
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07X3platinum 07X3platinum is offline
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I was thinking about buying a new 335d, but this problem has me thinking twice. I hope BMW comes up with a long term fix soon.
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  #88  
Old 07-28-2011, 12:39 PM
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Originally Posted by 07X3platinum View Post
I was thinking about buying a new 335d, but this problem has me thinking twice. I hope BMW comes up with a long term fix soon.
I would think they would have this solved before the warranty runs out. Getting mine back today.
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2012 X5 35d DSB - Prem, SAV, Cold, Sound, Tech packages, Apps Delivered 6/6/12

Retired 2011 335d AW, M Sport, Premium and Convenience pkg, Heated Seats, Nav, HK, iPod/USB, smart phone. ED 8/31/10

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  #89  
Old 07-28-2011, 02:49 PM
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bayoucity bayoucity is offline
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Quote:
Originally Posted by 07X3platinum View Post
I was thinking about buying a new 335d, but this problem has me thinking twice. I hope BMW comes up with a long term fix soon.
Hey, at least it is not HPFP & have nothing to do with the engine.
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  #90  
Old 07-28-2011, 04:59 PM
tlak77 tlak77 is offline
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My d is being looked at, hopefully it will get above 90 so they can reproduce squealing. SA has my video recording, and I told him I have 3 more if that is not enough
Getting new rear brakes done as well, not even 17k on them. I thought it was just sensor since pads still look good but I won't argue.
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  #91  
Old 07-28-2011, 06:07 PM
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bayoucity bayoucity is offline
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Originally Posted by tlak77 View Post
My d is being looked at, hopefully it will get above 90 so they can reproduce squealing. SA has my video recording, and I told him I have 3 more if that is not enough
Getting new rear brakes done as well, not even 17k on them. I thought it was just sensor since pads still look good but I won't argue.
Lucky you. They only threw in the new set of wipers for me.
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  #92  
Old 07-29-2011, 07:06 AM
cssnms cssnms is offline
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If it were a compressor I wouldn't think the squeal would go away for 2 weeks after having my tensioners and AC belts replaced. It's also weather dependent which leads me to believe it has more to do with the belt/pulley system. I would think if the compressor were bad it would squeal all of the time or randomly as opposed to I can predict under what conditions it will squeal with reasonable accuracy.
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  #93  
Old 07-30-2011, 09:38 PM
riskybz riskybz is offline
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Just got my 335d back after three days with the service department to fix "the squeal"(second visit for this). It was determined that the accessory belt was the issue and a "non oem" belt was installed. Compressor and pulleys all checked out OK. The service records indicate that a PUMA case was opened. Today, the car was out for six hours in the sun at 90 degrees and no squeal when it started up..hope it is fixed.
By the way.. had a 328i auto for a loaner. REALLY glad to get the D back...what a dog!!!
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  #94  
Old 08-02-2011, 09:43 AM
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Pat_X5 Pat_X5 is offline
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I am so glad I am not the only one who experienced this!

Really glad I found this thread.

Just pulling out of the driveway and the A/C was on and the screeching noise sounded under the hood.

I'm taking my new 335d I just picked up a week ago - very embarrassing for new car to do this !

Will be watching this thread closely for updates and resolution.
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  #95  
Old 08-02-2011, 11:52 AM
Never Enuff Never Enuff is offline
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This morning I got my d back from the dealer for repair of the "squeeling belt syndrome".

On the first try the dealer was not able to replicate the problem, this time I took videos to provide for evidence. THe service record did document a noisy belt this time, and as I understand it, BMW now has some history of the problem, and sent them a Gates (non-oem) belt overnight express as a replacement.

So far, it seems like the fix is working, and I certainly hope this is the last of the "sqeeling belt" for my car. As fate would have it my neighbor walked right by on Saturday after I started the car to cool it off, just in time to hear Screeeeeeeeeeeeeech.... How embarrasing is that?

Hopefuly this fix will be the solution to resolve this annoying problem for all the d owners who have had the "squeel".
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  #96  
Old 08-02-2011, 01:09 PM
cssnms cssnms is offline
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Quote:
Originally Posted by Never Enuff View Post
This morning I got my d back from the dealer for repair of the "squeeling belt syndrome".

On the first try the dealer was not able to replicate the problem, this time I took videos to provide for evidence. THe service record did document a noisy belt this time, and as I understand it, BMW now has some history of the problem, and sent them a Gates (non-oem) belt overnight express as a replacement.

So far, it seems like the fix is working, and I certainly hope this is the last of the "sqeeling belt" for my car. As fate would have it my neighbor walked right by on Saturday after I started the car to cool it off, just in time to hear Screeeeeeeeeeeeeech.... How embarrasing is that?

Hopefuly this fix will be the solution to resolve this annoying problem for all the d owners who have had the "squeel".
When I went in for an oil change I made mention to my SA that I am still experiencing the problem and that at least a couple of owners said BMW replaced their accessory belt with a non OEM belt. He said it was the first he had heard of it.

Please keep us posted over the next 2 to 3 weeks and if you could post up the details of the part as it is spelled out on your ticket that would be appreciated.

Last edited by cssnms; 08-02-2011 at 01:10 PM.
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  #97  
Old 08-02-2011, 01:56 PM
riskybz riskybz is offline
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Chris,
Mine only said "non-oem " belt. Your SA should be able to access the PUMA cases filed for the specifics.
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  #98  
Old 08-02-2011, 04:43 PM
cssnms cssnms is offline
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Chris,
Mine only said "non-oem " belt. Your SA should be able to access the PUMA cases filed for the specifics.
Thanks, I will wait for you non OEM belt guys to report back after a couple of weeks before I waste anymore of my time taking this car back to the dealer only for them to experiment. As usual got in the car this evening to go home and it squealed! Hopefully this new belt does the trick.
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  #99  
Old 08-02-2011, 05:36 PM
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bayoucity bayoucity is offline
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Has anyone else gotten their compressor replaced other than me & BMW Power? The reason I'm asking because my 2nd set of belts (prior to replace compressor unit ) also got chewed up & it appears the new AC compressor has solved the mystery.

Last edited by bayoucity; 08-02-2011 at 05:48 PM. Reason: Clarify 2nd set of belts.
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  #100  
Old 08-02-2011, 05:45 PM
FlyingLow78 FlyingLow78 is offline
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Threads like this are both educational and disconcerting, since I'll be seeing my new 335d exactly one month from today. Best of luck to all who have had the squeal, and here's hoping the rest of us don't get it!
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