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  1. DIY: BMW E39 M5 - MAF and O2 (Bank #1 & #2) sensors to go out frequently

    E39 M5 and E52 Z8 Discussion
    BMW E39 M5 / S62 V8 Does anyone know what could cause for MAF and O2 (Bank #1 & #2) sensors to go out frequently? I put brand new OEM BMW (BOSCH) Mass Air Flow Metter sensors, brand new OEM BMW (BOSCH) Oxygen sensors (Bank #1, #2, #3, #4) in May 2016 – 137K miles. It’s been a little over a...
  2. DIY: Please help check engine light failed emmisons

    E39 M5 and E52 Z8 Discussion
    Hey guys im a new member on forums, need some help this was the code came up on my 2000 M5 today when i went to get emmisons done. Can you guys please help me by giving me some helpful tips how to get it fixed, how much will it cost or is there any way around it to pass the emmisons or just any...
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