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Old 10-19-2012, 01:52 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: 5,229
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, H&R 15mm spacers, 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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