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m54b25
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  1. E39 (1997 - 2003)
    Hello forum, so my e39 525i has been sitting a couple days, I go to start it this morning, it started but the idle was very rough, my gas light was on and I haven’t driven it in days so I figured it just low on fuel, about 30 seconds into idling it throw a check engine light at at me, I panic...
  2. E46 (1999 - 2006)
    so... i picked up a 2001 325I with random missfires. i drove the car for about 15 minutes on the highway and it never overheated and ran pretty good being down 1 cylinder. ran a compression test 125psi cylinders 1- 5 cylinder 6 is zero. then i put an ounce of sea foam in each cylinder and let it...
  3. E39 (1997 - 2003)
    Hi, Long time since i was here. I'm a little confused as to which engine I have. Sounds dumb, but the early E39's had an exclusive engine model for the Thai market in the M52TU range (M52TUB24 - 2,394 cc) I thought i had this engine. Recently I noticed the main visual difference between the...
  4. E39 (1997 - 2003)
    Hey guys I have bmw e39 m52b28 with one VANOS 2.8. I want to swap m54b25 but i want to connect it with old cables, throttle,intake manifold, starter, pump and computer. what is the most problematic thing with it? Can someone help me?
  5. E39 (1997 - 2003)
    :):) good afternoon guys!! im sure there is a thread somewhere out there on this subject but i am getting really frustrated looking and need some advise. ok so here is whats going on. i bought a 2001 e39 525 5 series back in jan with a blown engine. as im sure you know it has the m54b25 engine...
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