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  1. E39 M5 and E52 Z8 Discussion
    I failed the emissions test to day and here are the Codes but my check engine light is not on could it be burnt out and how much would it matter to get a OEM sensor ?
  2. E60 M5 and E61 M5 Touring Discussion
    First off, I did do a search and couldn't find a clear answer to this... I was wondering if anyone can shed some light regarding the removal of the secondary cats and emissions testing. I am about to install a full exhaust without cats but retaining the stock headers and primary cats. I know...
  3. E39 M5 and E52 Z8 Discussion
    It appears as though as our cars get older, many individuals are beginning to fail emissions, or get parts changed out that require a re-inspection. In order to make it easy for everyone to avoid a "Not Ready" reading when they go for the test, I thought I'd post this information that I found...
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