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  1. E46 General
    While swapping the b25 in my 03 325ci with a b30 found in a junkyard 02 530i I have noticed a difference in the engine wiring harness. Pictured below are the two differences. The production date on the 325 is 12/2002 and the one on the 530i is 03/2002. I thought the dme didn't change until...
  2. E46 General
    Hello Everyone, I’m planning on doing my front crank seal this weekend using this method: DIY: M54 Engine Vibration Damper, Front Crankshaft Oil Seal Should I get a new vibration damper and bolt after this method? Thanks
  3. E46 General
    Hello all, While replacing the oil filter housing gasket on a junkyard engine, I stumbled across this damage on the block side. Is this ok? And should I keep an eye out for anything else? Thanks
  4. Driveline, Performance, Tuning
    Hello, I am going to swap an m54b30 into my 03 325ci and was thinking of replacing the head studs with some ARP ones. The end goal for the car is around 430 bhp with forced induction and a complete fuel system redo for e85. I've never disassembled an engine to this extent before and am...
  5. Electronics
    I have an 316i sedan with no skipass or seats where you can pull down the middle armrest. I have 2 12" subwoofers in the trunk but i can barely hear it. It only shakes the rear but little sound. How or where can I get bass to get into the car?
  6. E46 M3
    Hey, so my pump just went out took it to BMW, and got charged 1200 just to look at it 😔. Guy told me it was 9 grand for them to do it, he said to take it to a speed shop and look at a manual conversion. So everywhere else they charge like 6 Grand on the east coast around NY. I would just get...
  7. E46 General
    Hey guys, first off sorry if this is the wrong thread for this post, I just got my first e46 a couple months ago and recently a ses light popped up with the two codes in the picture below. On occasion the car starts up really slow like it lags at 400rpm before jumping to a little over 1000 and...
  8. E46 General
    Salutations, Ya'll. I just bought my first BMW about a week ago for $2k. 2005 325i with a M54B25 engine that had a misfiring problem. 116k miles, no rust, near flawless body with only a few manageable chips and scratches, and so-so condition on the interior. When I picked it up and inspected...
  9. E46 General
    Hey everyone, as the title suggests I've removed my intake manifold and am wondering if I'm covering all the bases as far as preventative maintenance goes while I'm down there. I went down there because I suspect my hard plastic cooling lines are leaking. I will be replacing my entire cooling...
  10. Electronics
    Hello all, new to this and the community. Ive been fixing up a 2002 325i I recently acquired - fixing broken pieces, updating older parts, etc. etc. I purchased an OEM Alarm kit from EBAY recently and am waiting for it to arrive, however, I just realized that it is a Euro OEM Alarm kit. I...
  11. E46 General
    Hey guys, I recently got the P1500 “ICV Stuck Open” code on my 325ci which would put the car into limp mode within 5 min of driving but no difference to performance (no hard starts, idle issues, reduced economy, etc.). As I was taking apart the intake system, I found the MAF sensors connector...
  12. E46 General
    I'm creating my own exhaust system / semi straight pipe, but I am unsure what pipes i need due to the diameter. I am going to be using a Y-pipe to get one pipe, but what exhaust diameter do I have? I have a 320i m54b22 and I found this picture, but I am unsure what is "correct" for my car.
  13. E46 General
    For all my e46 techs any opinions or responses would be greatly appreciated as im completely lost rn. Heres the back story. Thank you in advance for taking the time to read this The winter months of canada - Recently ive noticed that my cars heat from inside the cabin has been blowing cold...
  14. Electronics
    hey guys, any tips or suggestions on extra interior ambient lighting. I feel a lack of orange glow in my life and I wish I had more. any suggestions are helpful. Thanks, Liam.
  15. Electronics
    so I found this plug while dismantling my centre console phone unit: it looks suspiciously like a normal USB cable. any idea what would happen if I wired a USB cable to it and plugged my phone into it? maybe I'd get some sort of phone connection? thanks
  16. E46 General
    hi everyone, i bought a 330CI, i need to replace the control arms for the front two wheels. went to a mechanic said itd cost bout $1300. is that a fair price? and is it possible to diy?
  17. E46 General
    Hello fellow BMW fanatics. Before starting I'd like to introduce myself, I'm currently studying mechatronics in Italy and some time ago one of my friends asked me to help him with his BMW, he's just got a uni degree in electrical engineering, that to say that we have a rough idea of what we are...
  18. DIY Guides
    Here’s a detailed guide on how to refresh the soft touch rubber interior trim in the BMW E46 and other models with the same issue. These cars are all 15-23 years now so most of the soft touch rubber has started to deteriorate. It eventually gets sticky and small cuts then splits apart flaking...
  19. E46 General
    recently smacked up my rad and coming to put a new mishimoto on i can’t seem to find where to mount it anyway i can mount it if i can’t found the mounting point (manual transmission)
  20. Suspension, Brakes
    Hello, I apologize if this thread is found elsewhere. I spent a bit of time searching not only this site. If I have blatantly missed the thread, please simply link it below. Thank you. This is not a question regarding body panels/cosmetics. I am specifically concerned with the E46 M3 suspension...
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