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  1. MS43 Euro2+EWS delete

    Driveline, Engine & DME Tuning
    Hey, does anyone have a euro2 flash file that has the EWS disabled for an M54B25? Can't find anything online that would help me combine the two. I've tried flashing euro2 and changing the hex values to the 512 file according to Siemens MS43 Immo Off Guide [430037, 430056, 430066, 430069] , but...
  2. M54b25 camshaft upgrade

    General E46 Forum
    Hey I’m new here but I was wondering what would be a good camshaft upgrade for my m54b25 would be. I’ve been doing some research and I seen somebody replace the intake cam with a 3.0 cam. I’m wondering if this is a good option or if I should do something else?
  3. Help please: Is this engine an M54B25 or 30 ???

    Driveline, Engine & DME Tuning
    Seller says its out of a Z4. I can't find a cross-reference for any of these numbers on the sticker above the flywheel:
  4. M54B22 intake manifold swap?

    General E46 Forum
    Hey guys. New to the forum, not new to BMW's. I have a 320i Touring with the 2.2L motor. I have the opportunity to grab the full intake off of a 325ci. So I'm wondering if there are any sizes differences in the 2 manifolds and/or throttle bodies? If there are, i'm definitely not expecting...
  5. E46 Sedan Parting out M54B25 engine

    Parting Out
    Undergoing a swap project atm and have no use for this my old engine any longer: 144k miles on my M54B25 Owned for 7 years since 88k miles. Original owner was an elderly lady, always brought the car to dealership for servicing. Since ownership, I have changed the oil every 6500 miles using OEM...
  6. M54B30 Engine Swapped Into a 2004 325CI HELP!

    Driveline, Engine & DME Tuning
    I'm new to the forum here. I originally posted this in a different category and didn't realize it. I've got a 2004 325CI 5 Speed. Lost Compression in Cylinders 2&3. I'm wanting to swap in the 3.0. I have a few questions though and can't seem to find definant answers. Is there a particular year...
  7. M54B25 engine rebuild

    Driveline, Engine & DME Tuning
    Hello, I´m new here and I want to share my engine rebuild with you. My name is Honza. Cars and motorbikes are big passion for me from childhood. Cars of corse aren´t all of my life, I love adventures with scouts, nature, photographing, etc. I´m from Czech Republic. This is little facts about me...
  8. Any E46 Fs 3.0l m54b30 2.5l m54b25 engine and transmission

    Miscellaneous BMW and E46 Parts
    Selling : engines for M54B30 - 330i ci 2001-2005, 530i 2001-2003 M54B25 - 325i ci 2001-2005 , 525i 2001-2003 also zf automatic transmissions Located in Dallas, TX available freight delivery also have e46 325i 2002 and 2000 323i for parts
  9. M54B30 Swap in to a 325i?

    General E46 Forum
    Now in most circumstances I'd just buy a 330i. However my 325i has a cracked block and I don't have the money to buy a whole new BMW, so I found a guy who's giving me a smoking good deal on a 330i M54B30. He's selling the whole car for 1500. The car was written off buy insurance after some one...
  10. 325I intake manifold, disa, throttle body

    Engine & Performance
    M54 intake manifold, throttle body, working disa valve, everything except the CCV valve. no cracks or leaks, I switched to a 330I intake manifold and have this one laying around. 100 or reasonable offer Thanks
  11. Downgrade 330ci to 2.5L?????

    General E46 Forum
    I have a blown m54b30 in my 330ci Vert. I found a M54b25 to buy. Can i just swap it in there? I have searched far and wide for a thread like this, didn't find anything.. Everyone wants to go from 2.5L to 3.0L , but i never saw anything about going the opposite direction. Any thoughts?
  12. Swap an M54B25 For an S52B30

    Driveline, Engine & DME Tuning
    I got my self a practically brand-new 02 325Ci 43500 on the clock and I really want to swap up to a motor with more power, I've heard of doing and M54B30 swap but I was wondering if it could be done with an S52? I figure it uses a five speed like the M54 which is a good start, so what would have...
  13. Bmw e46 engine swap from m52tub20 to m54b25

    General E46 Forum
    hello guys! im new here, just made an accound, so dont blame me please :) i have bought this car that is a wreck and cant we done again and the engine is in complete order and now i come to the hard part. i have been changing one engine in a bmw that was a 523i, that i swapped a 2.8L engine in...
  14. What will happed if I disconnect this line?

    General E46 Forum
    I'm not super familiar with working on AC systems but I get the basic gist of how they work. What will happen if I disconnect the heat insulated line that runs down the right side of the engine bay by the exhaust manifold? Catastrophic explosion? Freon release? End of the world? D: I need to...
  15. 2001 325i E46 Auto Silver/Black

    Parting Out
    Hey guys, I just picked up a 2001 325i and I'm parting it out. It has 148k miles, as far as I know the engine and trans were never replaced so that mileage is good for all parts. Here's what I have and prices which are negotiable of course: Engine: Sold...
  16. Parting Out 2002 m54 2.5l

    Parting Out
    Engine came out of 02 325i with 85k at time of removal. Engine ran hot but not killed, blown head gasket. Replaced engine due to having another m54 available with comparable mileage and replacement was cheaper than quotes to repair head gasket. Many parts available such as, intake, wiring...
  17. E46 325xi Touring mods.

    E46 Xi Forum
    okay guys, my ride is a 2003 325xi touring with a 5-speed with greygreen metalic paint. You wont belive it but I bought it back in november for $4,000 when my Dad and I saw it sitting in a used car lot with "$5,000"(my dad helped me work them down:thumbup:) painted on the windsheild. We were...
  18. 2004 325ci engine m54b25 for sale

    Engine & Performance
    I have a engine that has 125k miles on it. I don't know what's wrong with it but I bought it like that. I think it's seized or something. It's a whole engine with a few things missing from it. The head and block is still there! I just want it gone!!!! Offers please!
  19. Wanted: Engine for 2004 325XI

    Engine & Performance
    Wanted: engine/under 100K/"A" condition Going into 2004 325xi manual M54B25 Located in Iowa
  20. M54b25 _SMG_

    Driveline, Engine & DME Tuning
    Hi guys. I'm new to this forum but I'm not to the forums in general. In fact I'm a moderator on one Old school Honda forum. Excuse me about rough title, but I have a Q here, I was wandering if anyone did a SMG swap to a M54 engine? I'm debating here, I'm on a look out after a well kept 323CI...