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3-Series (E46, E90) Chat relating to the BMW 3-Series from 1999 to Current. Models include: BMW 316i, BMW 318i, BMW 318Ci, BMW 320i, BMW 323i, BMW 325i, BMW 330i, BMW 328 Ci, BMW 328i, BMW 325i/xi, BMW 330Ci, BMW 320d, BMW 330d, BMW 335d.

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Old 10-17-2003, 10:46 AM   #1 (permalink)
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Hello. I have a 2000 328i (without sport package) with 40Kmiles. A 'clunk' noise comes from the rear of the car whenever I accelerate or brake. Almost sounds like the noise is coming from the trunk. I thought that it may have been one of the tools that weren't fastened on the trunk lid, but that wasn't the case. Any ideas? Thank you in advance.

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Old 10-17-2003, 11:11 AM   #2 (permalink)
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I belive that there is some good info on this problem here
http://www.bmw-forums.com/forum/index.php?...?showtopic=4195
It seems to be a programing issue in the auto trans.
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Old 10-17-2003, 02:00 PM   #3 (permalink)
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Thank you, Ben.

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Old 12-30-2003, 11:16 AM   #4 (permalink)
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I had this same problem. After changing nearly the entire underside of my car the BMW dealer finally discovered it was a of some kind of shroud on the transmission. I'll try to find the paperwork on it to see exactly what the part was. Hopefully it's listed.

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Old 12-30-2003, 06:31 PM   #5 (permalink)
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That would be great! Thanks!
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Old 12-31-2003, 12:35 AM   #6 (permalink)
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Originally posted by ingishi@Oct 17 2003, 11:26 AM
Hello. I have a 2000 328i (without sport package) with 40Kmiles. A 'clunk' noise comes from the rear of the car whenever I accelerate or brake. Almost sounds like the noise is coming from the trunk. I thought that it may have been one of the tools that weren't fastened on the trunk lid, but that wasn't the case. Any ideas? Thank you in advance.

-Ingi
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Old 01-15-2004, 01:19 PM   #7 (permalink)
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Sorry I took so long to get back. The invoice says there is a difference in the clearance between trans. outshaft and trans. output flange. They installed an output flange repair kit. It was a warranty item so I don't have any idea of cost. Hope this helps.



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Old 01-15-2004, 10:32 PM   #8 (permalink)
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Originally posted by gpjones@Jan 15 2004, 02:59 PM
Sorry I took so long to get back. The invoice says there is a difference in the clearance between trans. outshaft and trans. output flange. They installed an output flange repair kit. It was a warranty item so I don't have any idea of cost. Hope this helps.



Glenn
Bingo! The output flange on the trasmisson needs to be replaced with an updated part. Symptoms include a clunk noise when going from decel to accel, and a clunk right before you come to a complete stop.
Before a bulletin came out for this, I changed the diff in a car, and had to take it right back out........ ghead
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Old 01-16-2004, 12:19 AM   #9 (permalink)
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Quote:
Originally posted by TECH+Jan 16 2004, 12:12 AM--></div><table border='0' align='center' width='95%' cellpadding='3' cellspacing='1'><tr><td>QUOTE (TECH @ Jan 16 2004, 12:12 AM)</td></tr><tr><td id='QUOTE'> <!--QuoteBegin-gpjones@Jan 15 2004, 02:59 PM
Sorry I took so long to get back. The invoice says there is a difference in the clearance between trans. outshaft and trans. output flange. They installed an output flange repair kit. It was a warranty item so I don't have any idea of cost. Hope this helps.



Glenn
Bingo! The output flange on the trasmisson needs to be replaced with an updated part. Symptoms include a clunk noise when going from decel to accel, and a clunk right before you come to a complete stop.
Before a bulletin came out for this, I changed the diff in a car, and had to take it right back out........ ghead [/b][/quote]
My steptronic was reprogramed after I took the tech out for a test drive. In SD, the car would have a sharp "thud" immediately before coming to a complete stop on very rapid decel.
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Old 01-16-2004, 04:34 AM   #10 (permalink)
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mine was solved by reprogramming the transmission software.

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Old 01-16-2004, 07:24 AM   #11 (permalink)
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is this problem only on the automatics?? i have a manual, and i've been trying to figure out a similar noise coming from the rear. it's not really a clunk noise, but more of a series of faint rapid thuds when i take off from first gear. when i try to slip the clutch a little more when i take off from 1st, i can manage to avoid creating that noise. is this the same problem?? i was hoping to find something loose underneath the car that was causing that problem. so far i've yet to find that part.
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Old 01-16-2004, 05:36 PM   #12 (permalink)
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It's only the automatics.
Note that the reprogramming of the egs modules is for shift quality/noises, the output flange repair is for a clunk caused by excessive slack in that area of the trans. 2 different problems.

Edawg, I'm not sure of what you are describing. Maybe your clutch is chattering?
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