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BMW 323i problem diagnosis

  
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BMW 323i problem diagnosis

 
Ben1967 Ben1967
New User | Posts: 1 | Joined: 05/07
Posted: 05/26/07
02:57 PM

Hi all,
Writing as a complete dunce when it comes to mechanics, I was wondering if anyone could help diagnose a problem I've just started getting with my BMW 323i (1999). Every time I change gear and put my foot on the accelerator and the revs rise slightly, there's a knocking sound from underneath the car. The engine seems to run ok apart from this but I'm loath to go any distance for fear of making it worse.
Is it likely to be serious? (and expensive!) and is there anything I can do to make a clearer diagnosis?
Many thanks in advance for any replies.  

 
autonumensky autonumensky
New User | Posts: 1 | Joined: 12/11
Posted: 12/26/11
01:49 AM

Ben1967:
Hi all,
Writing as a complete dunce when it comes to mechanics, I was wondering if anyone could help diagnose a problem I've just started getting with my BMW 323i (1999). Every time I change gear and put my foot on the accelerator and the revs rise slightly, there's a knocking sound from underneath the car. The engine seems to run ok apart from this but I'm loath to go any distance for fear of making it worse.
Is it likely to be serious? (and expensive!) and is there anything I can do to make a clearer diagnosis?
Many thanks in advance for any replies.


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mac58 mac58
New User | Posts: 17 | Joined: 07/07
Posted: 12/27/11
10:22 AM

Maybe the pressure plate is going out.
Mine went out (on my Audi S4) at about 130k miles.
How many miles do you have on your 323i?
Good luck.