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ideas or poss

  1. e36 m3 3.0 down on power any ideas/poss vanos control

    BMW 3 Series Forum - Technical Talk on the BMW E21
    I put the m3 3.0 engine into my 323 done the usual service plugs air oil and fuel filters.replaced vacuum hoses got the fuel injectors cleaned and replaced the idle control valve.Mainly because the idle was rough and a bit low. I have a vacuum gauge installed and it was pulling -20 on the 323i...