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Old 10-19-2012, 12:52 PM
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540 M-Sport 540 M-Sport is offline
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Location: Seattle, WA
Join Date: Apr 2004
Posts: 4,962
Mein Auto: 01' 540 M-Sport cdn, F355
Originally Posted by doru View Post
the tires are new (changed them this spring). Alignment was done as well around that time.

Should I try this:

No, you do not have a P code (I presume) so no reason to. Also, forget replacing your post cat O2 sensors. Waste of money.
Factory M-Sport package with factory installed M-tech bumpers, factory Bluetooth, factory M-Audio 10" dual voice coil subs, Homelink, M5 rear stabilizer bar, Bilstein B14 PSS coil overs, Stop Tech ss brake lines, Akebono Euro Ceramic brake pads, oem Brembo and Zimmerman rotors, Dinan Stage 1 software, Strong Strut front upper stress bar.
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