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  1. Driveline
    Howdy folks, I've got 2x M54B25 engines I built to abuse with boost in a project I no longer have time to finish or work on. M54B25 Maxpeeding Rods Beefier stock pistons - i think these are from M52 ? see pictures. timeserted block ARP head studs ARP main studs safety-wired oil pump nut...
    $600 USD
  2. Forced Induction
    Hello boosted E46 crew, I am installing an Infinitas supercharger (ASA) on my 330i E46. It taps into the car's stock oil system to lubricate the supercharger unlike other supercharger setups. The return set up requires you to cut the dip stick tube in half and insert a fitting for the drain...
  3. Forced Induction
    i have a 2000 323ci as a drift/daily. im wondering if one of those turbo kits that says its compatible with my make and model would blow my engine if i dont upgrade piston rings, or if it would be fine i believe its a t3/t4 turbo full kit any and all opinions are welcome.
  4. Engine Swaps
    Like the title says i wanna take an m52b28 out of a 1998 z3 to put in my 2000 323ci. My goal is to turbo it, I am not trying to build the worlds fastest car or anything like that. More so I just wanna build something for fun while also keeping it reliable (for the most part) my horsepower goals...
  5. Forced Induction
    So, I’m wondering if ITB’s are both possible and worth while doing as I go turbo. Obviously the more power you make the better ITB’s are for you, however how compatible are they with the M54 motor? There’s a kit I’ve found from Racehead that’s looks pretty good (link: I’m looking at going with...
  6. Forced Induction
    So i have a 2000 328ci as my daily and I am looking to turbo it with a turbo kit from CXRacing GT35 Turbo Manifold Downpipe Kit for BMW E46 M52 M54 Engine NA-T Top Mount (cxracing.com), im pretty new into the e46 platform and just wanted some advice from more knowledged e46 owners on what i...
  7. Forced Induction
    Hey everyone, I bought my first car 3 months ago, e46 330d. It's amzing car and I am loving it. It has stage 1 chip (220hp) and pulls real good. When I just bought the car, turbo would spool at 2100 rpm, and pull like crazy. About a month ago i started to feel sligth increase in turbo lag...
  8. Forced Induction
    Hi ya'll, I'm just gonna start this of by letting you know I'm a bit of a noob when it comes to these types of things, and I'm having a bit of a dilemma choosing between different CR's for the M54. Bottom end will be forged, turboed and aiming for about 6-700 at the rear wheels (I know, I know...
  9. Forced Induction
    Hello, im thinking about turbocharging my e46 this coming winter and i have some questions. 1. Im not sure if i want to go with a topmount or a downmount turbo, so what are the pros and cons for each? 2. Can i run the stock ECU (MS42)? I will be keeping stock injectors, stock fuel pump, stock...
  10. Europe
    I can't not find the exact details on M47TU engine's boost pressure, and vacuum pressure. Could you give me any pointers for what values i should be looking for? I've got no power of my car right now, although all vacuum pipes are replaced with silicone ones, MAP sensor has been replaced, MAF...
  11. Forced Induction
    Asking this because I really like daily driving my bimmer but also want to make the switch to forced induction. But has anyone actually turbocharged their E46 and kept the AC. If so please enlighten me on how you did it and what kind of setup you used. Any input would be greatly appreciated.
  12. Forced Induction
    A few months ago, I bought a 330i for cheap due to a dented door and an unknown transmission issue that didn't stop the car from driving. The car was from Virginia originally and was imported to Canada eight years ago and was clearly not properly converted to a Canadian dash, the numbers on the...
  13. Forced Induction
    I'm looking to turbo my 325ci and for the longest time I figured that I would just buy the cx racing kit that it seems most people have used but just today I saw this website Laurent Motors and they had a turbo kit as well. Now this kit was better in many ways as it comes with a head space/...
  14. Forced Induction
    Hey everyone I’ll first start off by saying I’ve been on this forum reading and getting much help from diagnostics to step by step diy’s for years now and I appreciate it all and hope one day I can help back the same way. I’ve got a 04 330 6 speed that I’m slowly turning into a drift track car...
  15. E46 General
    A sport e46 has been my lifelong dream so I think I came to the right place. I’m planning to buy one next year but am still lost and can’t decide since I lack mechanic experience. I don’t know if i should buy a 330ci and turbo, exhuast, intake, put other major preformance mods on it etc.. +...
  16. Forced Induction
    hi y'all I've done all my maintenance I can, except for preemptively replacing my pcv system and the vanos unit, I want to do headers as my next mod for power. the AA headers run about 600 usd, but if I buy these I have to go the s/c route or stay N/A. I lowkey want to just spend 2k on the cx...
  17. Forced Induction
    Hi! I am a 19-year-old kid and I wanna turbo and manual swap my e46. I am kinda on a budget, but I want it to be pretty fast. I was just wondering if anyone has any turbo kits or recommendations for parts. Also if I could maybe get an estimate on how much it will cost to turbo my car reliably...
  18. Forced Induction
    Anyone know a reputable brand that makes upgraded injectors for the M54b25, I plan on running at ~7psi
  19. Forced Induction
    I recently did a turbo install on my 2004 325ci, m54, SMG, ms45.1 and I have run into the problem of knocking or loud pinging when at idle or cold, in addition to a very rough idle. Parts installed listed below. 35mm Bov Universal aluminum intercooler and 2.5inch piping. AEM boost gauge Oil...
  20. Forced Induction
    https://www.cxracing.com/turbo-kit-bmw-e46/turbo-kit-bmw-e46-m52-m54-na-t/TRB-KIT-BMW-E46-GT35-IC-KIT So heres the link for the kit. When i swap in my 3.0L soon i was thinking maybe in a year or two installing a turbo (myself). Is this any good you guys think? Or is there a better kit out there...
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