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Found 9 results

  1. V_MAX

    M50 Manifold on M52 Engine

    From the album: My 523i Conversions and Maintenance

    This was a fun project First I had to find a good M50 manifold and modify it so all the pluming would work. I also had to make some modifications to the power steering reservoir and fuel rail bracket. Sins writing this in 2015 I have changed the fuel injectors to 49% larger injectors and remapped all the fuel maps. The result was a better fuel economy and better emission numbers. Sins everything was taken apart I made the decision to renew all the rubber hoses and new refurbished fuel-injectors at the same time. The rest was more or less plug and play. Obviously there was a little loss of torque under 3500rpm. but after that there is a lot of gain in hp. Unless you are driving a lot on steep roads for longer time, then I highly recommend this conversion. The only way to compensate for this loss is replacing both of the standard camshafts that came with the M52b25 with to new/used ones; intake cam from M54b30 for the intake and another INTAKE cam from M50NV for the EXHAUST sound crazy but that is the rout to go. You have to do minor modifications on both of the replacement cams. After having made this conversion I have found out that I have maxed out my fuel injectors A/F, they are the green Bosch (0 280 150 415) capable of around 166cc, (sorry for my mistake, I had written earlier, pink injectors (0 280 150 440) that are 208cc) so I am going to replace them with bigger ones, probably Bosch 0 280 155 830 capable of around 360cc and remap accordingly the ECU with MLV and RomRaider. One other thing I should mention, if you have to change to larger fuel injectors due to fuel starvation then you have to make modifications to the fuel maps and possibly some other parameters in the ECU, so the message is; do not change to higher capacity fuel injectors in hope to get more horses out of the engine. In almost all cases, then the standard injectors that came with the engine are cable of producing more than enough fuel, despite some standard or minor tuning, unless you are going for a turbo, or as in my case, larger cams and intake manifold and headers with free flow exhaust and a rather small injectors capable of only 166cc. After making this modifications I would like to suggest that the ECU should be remapped/tuned by someone who knows what he or she is doing to get the most Hp. out of this modifications. With new larger fuel injectors, you HAVE to remap the ECU, there is no way around it, although you can just let it be as is and you will get some adaptation up to a certain point from the ECU, but not the full benefits of remapping the ECU. You can read more about the cam replacement in my portfolio. All I need now is a COMPRESSOR
  2. Leo aka Horse-On-Wheels_MS

    BMW E34 525IX By howms

    Hello all, I wanted to start a thread and share my story on my E34Ix that I acquired totally by accident last year in November without seeing it or test driving it! (what could've gone wrong lol), and how I discovered that I bought an absolute lemon(that is somewhat worth saving) The story: Back in September 2019, I had saved up and then I was looking for a project car that I can use to commute and I was in the market mostly for an e30 or e36 and I would only consider an e34 and e39 under certain conditions and one day I was scrolling through an overpriced e30 and I caught a glimpse of an e34 and as I looked into it and found out it was an ix which is quite rare now especially in red, as I thought it would be a good base to put down more power or I could rwd it if I don't fancy it down the line, my biggest concern was it being a cloth interior automatic(wanted a manual) with a tired paintwork but I went for it anyway so the journey begins by paying £1.7k for the damn thing... Specsheet: Better picture coming soon
  3. jcrackincarter

    BMW E34 525i White Cruiser

    Hello fellow forum members, here I would like to present my BMW 525i AUTO as when I bought it in December 2014. Not a massive fan of the grey interior. And here is the dream. To drive it around Europe. A considerable amount of time has elapsed already, and much more will pass; its a journey. It is also journey in gaining knowledge and experience of mechanics, because at the time of purchasing this car I didn’t have a clue. I was to learn so much within the first few months of working on this car. 2015 jobs completed: Headlight replacement Water pump and belt Driver side door lock actuator and door handle Thermostat and housing Shocks and springs (lowered) 2016 jobs completed: Exhaust brackets and hangers New alloys (temporary) To be done: Head gasket Reverse lights Dent removal Respray Refurb leather and probably many more I originally bought my merky, grey beast as a donor car for a 518i that I wanted to restore and modify. This is the 518i. As you can see, the 525i was a far better car! The 525i was purchased December 2014. On the way home it overheated. The radiator had been recently replaced and we found the overheating problem was caused by an improperly bled coolant system from whoever fitted the new radiator. The car drove badly, the shocks were knackered, headlight was smashed and we were loosing water. Job no.1 - find that leak. Jan 2015 - Firstly we found the water pump was leaking severely so we replaced that. The spindle was wobbling about all over the place and water was pouring out of it. Fun job! During this time I also replaced the smashed headlight with the good one from the 518. Yes, the 518 wasn’t a complete waste. In fact, one of it’s wing mirror plastic covers was resprayed and replaced a very butchered one on the 525i, and various bits of trim and clips were salvaged. I also ripped all the door cards off to oil the window mechanisms and to replace the driver side door lock actuator and handle. Replacing the water pump didn’t seem to fix the entire leak. It was better but wasn’t completely eradicated. With the help of one of my more mechanically minded work colleagues, I discovered the thermostat housing was leaking. There was dry coolant residue around the fixing points, so the housing and the thermostat it itself was replaced. There was still a coolant leak! Much smaller as you could imagine but still enough to be a concern. I kept the car on the road to monitor the leak, to do this I thought it would be a good idea to make it more safer to drive so my next job was to replace the shocks and springs. The 518i was sold on to a car breaker around this time. I got my money back on it via the spares I removed. I also looked at my reversing lights as they weren’t working. The cabling loom that runs into the boot lid had wires with cracked insulation and some had snapped. I cut the bad cabling out and soldered in some fresh cable but it still didn’t fix the problem. The fuse and bulbs were fine which mean’t it had to be the switch on the gearbox, unfortunately located on the top as they are with the autos. Bummer. July 2015 - For the 525i suspension, I purchased Bilstein shocks and Vogtland lowering springs. 40mm lower at the front, and 20mm at the back. This was a massive job for me, having little experience at this point with cars this was fantastic. I thoroughly enjoyed spending many hours ripping the interior and the under carriage of this car apart, drinking beer in the sunshine upon the sloped brick patio at the entrance to the garage, listening to ACDC. Life was good. Anyway, with the Bimmer lowered she looked the part. Those wheels started to grow on me. It was a fix/modification that subtly changed the aesthetics, but massively changed the handling. Phooaar she drove nice. That leak was still there though. Looking for this leak, I found no signs at all and from reading some forums online it had to be the headgasket. I enjoyed the car for the summer as the leak got worse and worse and in the end I parked it up for the winter. March/April 2016 - A few of weeks ago I put it on the road with the intention of getting the leak looked at by a pro to confirm that it was definitely the head gasket. The exhaust fell off on the way. Dam. Two brackets had rotted out and the rubber hangers had perished. All fixed and my friend (the mechanic) found no signs of leaks other than dried coolant residue sitting between the head and the block. Hmmm. It had to be the head gasket and to confirm this, I put in some K seal. No more leaks! Which is great so I can drive it round for the summer but bad news as it is definitely the head gasket. Before I start the daunting task of a head gasket replacement, I refurbished some alloys sold to me by a colleague. They look pretty good even though they’re not the wheels I really want, but its a step in the right direction. The car needs some serious bodywork which will come in good time. So this is the point I am at. Much more work to be done. I cannot wait to get on with the head gasket. Some other photos: I shall update on my progress.
  4. Hi guys, had my replacement transmission fitted, however the mechanic reported that the gear lever was in a weird position! The first picture is the gearbox in neutral, the second is the gearbox in reverse! Neither of us had any trouble selecting gear, and the box shifts sweetly, however we cannot work out why the lever is in this position. My car is a July 95 build, and the car the gearbox came out of was an L reg (believed early 94) 520i. I checked part nos online and they are the same for shift linkages up to 10/94 and from 10/94 onwards. The fact they divide the years up suggests something is different... My my mechanic is very good, but we are both stumped! Any ideas? Simple case of mal adjustment? If I can get the original linkage from the supplier would that work? Any help appreciated and thank you in advance!
  5. GlasgowAlex

    New To The Forum, E34 Owner.

    Hi Guys, Just thought I'd introduce myself to the forum. My name is Alex and I'm the proud owner of a 95 520i SE in Ascot Green Metallic (of course). I'm relatively new to BMWs having owned this car since September last year but have had some Audis and Land Rovers in the past. The ultimate goal for the car is to load it with as many factory options as possible and get everything back to showroom condition. I live in Glasgow and would love to get to meet some local owners. Alex
  6. Nordhorn

    E34 from Norfolk

    Evening all, about time I get on here as I'm damn sure its going to be useful. So I reluctantly sold my first car, a 1996 MX5, owned for the last 1 and a half years its done me good but I needed something to lug my bicycles around the country and abroad so I went in search of something larger... Which has thus landed me with this 1995 525 touring. Being only 21, my colleagues and friends are disgusted by the fact i've bought an estate and despite my reasoning they persist in calling me an "old man" they just dont understand . Regardless I picked this because of the m50 lump and manual box which was what I'd been waiting for. Previous owner swapped in a set of heated sport seats which im not complaining about at all and despite the usual roof lining sag the inside interior pretty sound. Exterior is good for the age imo with the only real grumbles for me being the scabby roof rails, crack in bumper and the rust around the filler cap, all of which should be fixed over time. Now the unfortunate part, no MOT ... I carted it from Birmingham to Norfolk and I now need it MOT'd, it failed on 1 tyre being below the limit, corroded brake lines front to rear n/s and worn drop link. So not really any major probelmos. Having fallen into the metric tyre trap I didn't really fancy the idea of £150 a corner on old rubber and i've picked up a meaty set of style 66's saving my wallet a wedge there. And thats really the story so far. Next on priority list is sorrting the lines and drop link for the MOT and then who knows.
  7. Hey guys, So the M50 sits in the bay nicely. The G240 tran I used sits on the original mounts nicely. But.. As you can see, the sump is hanging down too low. I'll have that demolished by a British speed bump within a few minutes I used the mounting arms and rubbers from the M20. All seems okay elsewhere. Just the sump being too close to the floor for my liking. Aswell as, she's being lowered so... can't have this. Anyone any ideas? I've heard of using metal plates to push the engine up. This sounds like a good idea to me as I have enough clearance on top to push her up a bit more and I can do the same to the tran-mounts. no way of the Intake fitting with the standard brake servo so, have an 944 one inbound but maybe if I push the N/S up a bit, it might help some more?! I'm pretty okay with the mounting arms I have. I'm pleased they fit nicely. The rubbers are from the old car and are 26 years old so I will defo be changing them anyway. Any better ones I can buy? Like... would anyone suggest an alternative? otherwise i'm just going to buy the E28 M20 ones again. What would YOU do in my position? all help greatly appreciated! Daz
  8. DazH

    Hello 5er Folk!

    Hello Fellow 5er Pilots! My name's Darren and from South-East London, Bermondsey. some 'Might' recognise me from BMW owners club Uk. I have me a gorgeous '87 E28 520i. Not looking so gorgeous right now as it only has half an engine and a dismantled... well... Everything. I'm about half way through an M50 conversion. Good fun, Good fun. Just joining for the banter really. I'm quite savvy with a spanner so, if I can assist I shall! Maybe some of you older folk can lend a hand with my motor to! Anyway, I have a facebook page I recently started so if anyone wants to join in on that, feel free https://www.facebook.com/BmwE28SocietyUk Hope to jump in the forums as soon as possible thanks very much Daz
  9. Hi I have a 1992 Bmw 525i Auto with the 2.5 M50 engine, my car is showing some of the symptoms of a headgasket failiure. The symptoms are : Lack of power, Misfire under acceleration, oil in water, water and oil level dropping and constant white smoke. Earlier I checked my spark plugs after starting it to see if there was a green tint but there was nothing although the spark plugs were covered in carbon fouling. It has shown no signs of overheating and there is absolutely no pressure in the cooling system. Is this a headgasket failiure? If not what is wrong with my car? Many Thanks E34MAN92
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