Bimmerfest BMW banner


  1. 325i N52B25 Maf issues

    E90/E91/E92/E93 (2006 - 2013)
    There is absolutely no difference in measured air flow in INPA when i connect and disconnect the MAF sensor, even went as far as testing the MAF being connected, but the whole sensor being taken OUT of the intake tube, which in my opinion should make the car go crazy - absolutely NO difference...
  2. Heater Core Bypass Question

    E36 (1991 - 1999)
    Hey guys I am going to be bypassing the heater core because I think it is clogged with **** and not letting coolant flow and making the car overheat. I dont want to order a block off plate for the back of the head and at the firewall just yet. Was just wondering if I could just connect the inlet...
  3. TPS? AFM? ECU? Help me!!

    E30 (1982 - 1993)
    Here's what I'm drivin': 1988 BMW 325is (e30) The problem: The car cranks over fine, idles slightly over 1000 and returns to 700-800. The idle is smooth and nice and displays all kinds of e30 goodness. Within a minute, the idle becomes erratic, dips down and back up (never over 1000), and then...