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      11-11-2010, 04:57 AM   #30
325i M Sport
325i M Sport
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Drives: BMW 325i M Sport Saphire Black
Join Date: Jul 2010
Location: Italy

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Originally Posted by John_01 View Post
Congrats on your new sound! Can you please tell me the part number for the muffler you fitted. I understand yours (like mine) is a 2.5 litre engine, so I am wondering if the muffler may be different to the one for the 3.0 litre engine in the USA.
Hi John the part No. is 18 10 0 443 580 (for 330i) N52, N53 engines
Hope this will be helpful for you. The muffler has a valve in one of the pipes which, as far as I understood, is opened by exhausts of the 330i. This valve was left open in my 325i.
Pls see enclosed data sheet (from BMW Performance catalogue)

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File Type: pdf Data Sheet.pdf (240.2 KB, 97 views)