new headers for m54 engines.... 530i 04
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hi guys, what do u think of this part shown in this web site?:
http://www.racdyn-usa.com/Merchant2/mercha...tegory_Code=e60
do u recommend me to install it?? and does it need a special ecu programming??
http://www.racdyn-usa.com/Merchant2/mercha...tegory_Code=e60
do u recommend me to install it?? and does it need a special ecu programming??
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