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  1. BMW Engine Conversions
    Hello, Sorry I’m advance for having any silly questions as I am new to cars. I have an e36 with a m40 and a 4 speed auto transmission. I just want to know what I need in order to get everything running and an estimated price. From what I’ve read these are the items I need (please correct me if...
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  3. BMW Engine Conversions
    Hey Guys, Its my first time writing on here so please excuse me if i posted in the wrong section or if this question has already been asked. Basically i've recently bought an E46 318CI which i believe has the M43B19TU Engine in it which is drive by wire right ? I've been told that the best...
  4. BMW 5 Series Forum - Technical Talk on the BMW E12
    Hi, I'm back once again with another issue! This morning, went to start my 1991 E34 M50 2.5 and was surprised (and annoyed!) to hear it crank over but not attempt to fire. At first it sounded as though the starter motor was spinning but the engine wasn't cranking, but the fan is spinning when I...
  5. BMW Engine Conversions
    All, I own a 328i with m52 engine I have seen some posts on the internet people achieving 350whp plus on m50 turbo on budget build My understanding is m52 is aluminum and m50 is cast iron I think most scrap yards know what m50 is used for hence their price is £600+ for an engine where as...
  6. BMW ECU articles and standalone tech guides
    Hello, My ECU had died and let the smoke out, water is the cause i believe opened the ECU and saw a water stain and the smell off burnt PCB. And now the engine is only running on 5 cylnders ive swapped coil positions checked plugs and the problem remains on the same clynder. So im comming...
  7. BMW Competition Corner
    Hello, First of all I've been thinking a lot where to post this, and couldn't manage to find the right place for my question, so this is the best I could come up with.(since this mod is destined for making a more competitive engine / racing at track days) Also english is not my native language...
  8. Turbocharging your BMW
    After years of having no money and/or no garage and dreaming of an M50 turbo I'm finally in the position to start my build. What I'm after is a parts list. I know specifics is down to trial and error but I'm trying to get the bulk of it together before i get the spanners out. So on my list I...
  9. General BMW Discussions
    Hi, I have a 1987 BMW E30 318i with an M50B25 vanos engine conversion from an E36. I am having trouble diagnosing an issue where the engine loses power and when I try to accelerate it loses more power and misfires occasionally. The engine does not cut out but then runs very rough. It only...
  10. BMW Engine Conversions
    Hi new on this site, just bought my first E34 525i (Vanos) Its not running great perhaps a couple of cylinders down, although the chap who selling it seems to think its sticky injectors... I think I'll just swap the engines to save investogation if I can.... Does anyone know of a rebuild...
  11. BMW Engine Conversions
    Hi, I see there are similar topics on this, I've an e46 compact, with the N42 engine, I want to fit my M50B25 non vanos, I've the full engine and gearbox etc, is it hard to transplant? I'm not worried about the wiring etc as I'm going to fit a full 3D management system, Any advice would be...
  12. BMW 3 Series Forum - Technical Talk on the BMW E21
    Planning to do an engine swap for my 318is I know all the bits that need changing and im planning on getting a donor car for it all. What I want to know is, m50 or m52?! Both manual, But isnt the m52 block aluminium?! And thus power limited? The m50 block is steel and used on the m54 also? I...
  13. Items WANTED - Post any wanted adverts in here
    Hi, New here so apologies for turning up here like a beggar in my first post, but I'm after an M50 2.5 intake manifold and throttle body for an E36 M52. I'm splitting my time these days between breaking cars and fixing Volkswagens, but I'm trying to squeeze in a cheeky E36 build for some track...
  14. Items WANTED - Post any wanted adverts in here
    as per the title really. doesn't matter if its knackered (dropped valve ect ) as i want to cut it up and have a play with my new flow bench.
  15. BMW Engine Conversions
    Hi all, I have just swaped my m50 325i for my m50 320 I've tried to start and it won't turn over has any one got any ideas ?
  16. Ebay Auctions - BMW related ONLY!
    i've never got round to fitting it so decided its just taking up space BMW M50 air intake manifold, E36 drift upgrade | eBay
  17. BMW Tuning Forum
    Hello , this is a question for The end tuning I'm looking for a chip for my e36 320i vanos left hand drive car from 1993. The car has 170000 km (105000 miles). What kind of results can I expect? On which parameters has the influence? Does it affect the emissions, because in Belgium they are...
  18. General BMW Discussions
    First of all im new to bmw's and new to the site so hi! In need of some help if possible, i have put an m50 inlet on my m52 2.5 323, i also put pink injectors and remaped ecu on at the same time. I brought them all together as a kit. Now my problem is when the throttle potentiometer is pluged in...
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