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  1. Vanos Seals

    General E46 Forum
    How can I tell if my seals are going? My 2004 325i 5sp has about 145,000 miles on it and I'm assuming that the vanos seals have not been tampered with. Like I have said before, the hesitation/jerking is most notable in 3rd gear from 2,500-3,000 rpms. I need some help in isolating the problem...