BimmerFest BMW Forum banner


  1. E39 (1997 - 2003)
    ok im looking for someone to just point me in the right direction. i have 2 check engine lights p1523 and p0740. i have been trying to figure this out on my own and everytime i go to do research on the vanos code all i see is SEALS SEALS SEALS. i replaced the seals abut two months ago and no...
  2. E39 (1997 - 2003)
    ok so yesterday i tackled a big job and did my CCV and VANOS seals at my shop. cars runs amazing after the CCV and seals were installed. but i am still getting the 1523 exhaust cam position sensor code. the sensor is new. the seals are in. i didnt see any visual damage on the VANOS unit. what...