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    #11
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    Quote Originally Posted by rossg0787 View Post
    i dont understand, why are people saying dont do it, i would if i had time as theres nothing like pulling up at the side of a m3 with a 323 turbo and blow them away, plus it should be positive answers as he posted in the turbo section. do it, you can buy a kit for £720ish off ebay then see about management
    BMW 325i 3-SERIES 1984 - 1991 E30 M3 M20 320 323 325 390HP Turbo Kit 3series NEW | eBay
    if that dude is making a profit selling that at 490 quid including the turbo for supposedly 390hp then id be seriously worried..
     
     

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    #12
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    as others have said a M3 would be a good option
    however if you are hell bent on doing it, try and get a hold of a M50 2.5 engine from a 325i or a E34 525i or better still get a hold of a E36 325i
    the M50 engine is all iron which is a damn sight stronger than the M52 alloy lumps

    most people fabricate their own exhaust manifold so the turbo is sitting above the rocker cover, the steering rack gets in the way if the turbo is put in normal position and watch the manifolds on eBay most are for LHD models and don't suffer this problem
    you can run it on standard internals with a standard head gasket but you will need to keep the boost low
    aftermarket management is compulsory and you will need someone with a rolling road to set it up for you which will cost ££ and that's dependent on how good your workmanship is
    loud-low-slow-project


    no sugar turkish, im sweet enough
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    #13
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    i know the kits are cheap but its a good base as you can buy a t3 t4 hybrid for around £165, again cheap probably not the best but will do untill you go for big bhp, as above id go top mount for the above reasons but you can buy the manifold off ebay ready to fit, its just that the kit i linked to was complete ready to fit , you can make a kit yourself cheaper but its time to measure and make. also everythings cheaper in america i run a r33 skyline gts-t as my daily and i always buy from america as i save hundreds. DO IT but m50 sounds a better option bigger inlet aswell
     
     

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    #14
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    'Ebay' turbo-kits...are they a good deal?
    There are many great things to be found on eBay and the net, but are the bargain BMW Turbo kits many sellers offer in auctions and online stores a good deal?
    VAC Motorsports finds out...

    Often, these kits are 2000 or less... some even less than $1500 or $1000! USD, they seem like a great deal...Right? They include things like: Turbocharger, Blow off valve, exhaust manifold, boost controller, intercooler, piping, and in some cases even more accessories. Many times, they to "include everything you could need" and simply require installation, but even $500, are they actually a good deal?...

    We will present some findings, and let you decide.

    1. They come with seriously inferior-quality parts.
    -The past three turbo kits, from various vendors, all had non-functioning, knock off, no name blow off valves. These are pirated designs, sharing the cosmetics of the name brands only. They caused huge amounts of turbo-destroying compressor surge that went away when we replaced them with a quality, name brand BOV. They either stuck, chattered or simply leaked.
    -Oil lines that are prone to leaking quickly and many times the right ones are not included. Quality lines and fittings will have to be provided to replace the poor quality pieces, & installed by a knowledgeable person or qualified tech.
    -Exhaust manifold gaskets prone to leaking after only several hundred miles
    -Turbochargers themselves were knockoffs of quality brands and of questionable quality. even so called "Turbonetics" or "Mitsubishi" turbos were phonie clones of the real thing.
    -House couplers of poor quality ‘colored rubber’ to imitate a high quality brand, not all necessary hoses and clamps included.
    -Nearly all of the kit components fit very poorly, many being of the universal type requiring hours of modification and additional components, brackets, etc. Even though they claimed "direct fit".

    Don’t be fooled, just because it looks like name-brand or says so on the product, if the price is too good to be true, it probably is.

    2. Poorly routed piping.
    - Many run a "blow through" MAF setup, often done to eliminate stalling when the BOV vents to the atmosphere. Running air through the MAF sensor after it has been compressed and heated by the turbo can cause build up of contaminates and oil on the delicate sensor internals. This can causing erratic readings and poor running after install. Many people who have turbocharged this way report that there MAF dies every so many months mysteriously in these setups. A Porsche 911 MAF is usaly used to fix most of these issues.
    -In many of the kits set up as a “suck through” setup, the BOV (after replacing with a quality unit) is still extremely difficult to recirculate properly. No provisions for this are made and the car runs rich and prone to stalling during every gear change.
    -Some top mounted turbo kits left barely any room for any kind of intake filtration. TOP MOUNT KITS ARE ONLY recommended for race cars. Placing the turbo this close to the hood and valve cover will dramatically shorten the safety and lifespan of the engine and even the turbo. This is just one of the reasons a quality exhaust manifold is important
    -In many cases, charge piping would need to be modified as it was prone to disconnecting under boost.

    3. Lack of adequate boost control.
    -Wastegate springs were all 10 pounds or more, so even with any type of boost controller, you are unable to run less than 10 pounds of boost, maxing out factory injectors immediately. That means you can’t just bolt the kit on and drive.
    -Boost controllers were again poor quality knockoffs of name brands; they did not deliver consistent results.
    -Internally gated turbos many times had slow or poorly actuating wastegates and boost spikes would appear.

    4. No fuel injectors included.
    -If you bolt on one of these systems and attempt to drive the car in normal use, almost 100% of the time, you will max out your factory injectors and this can cause permanent engine damage!
    -Larger injectors must be purchased at additional cost and then chipped or tuned for.

    5. No software included, systems must be dyno tuned to run properly.
    -None of these systems come with any kind of software, piggyback, or way to program the ECU. You must then provide larger injectors, and the vehicle must be dyno tuned adding greatly to cost. If you don’t have access to a BMW ECU or BMW Chip tuner, then you must run a standalone ECU.

    6. Lack of proper exhaust components.
    -Without a high quality downpipe, or in some cases no downpipe at all; one must be fabricated before the car can be driven. With a poor quality down pipe, engine destroying boost creep can set in and your car cannot be safely driven, or the downpipe can crack or damage other components.

    -Wrap up-

    These turbo kits can be a starting point to get your BMW turbocharged but you need to remember the saying ''you have to pay, to play''. If you don't have fabrication and modification skills, these inexpensive kits are not recommended no matter how good of a deal they seem.

    For many enthusiasts, the kit that is more expensive kit at first ends up being a better deal. ''No-name'' kits need much in the way of installation, modification, and professional tuning to even start and run properly, let alone with speed and reliability.
    Brand name kits look like a lot of money at first, but you are making an investment in a quality engineered product just like your BMW itself. These kits offer technical support, clear instructions, and the ability to bolt-on-and-drive out of the box! They also keep a large portion of residual value if you ever want to resell them and many don’t alter the resale value of your BMW in a negative way.


    found this on a yank site
     
     

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    #15
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    Quote Originally Posted by rossg0787 View Post
    but m50 sounds a better option bigger inlet aswell
    you would be better off making a custom inlet manifold from metal as the standard manifold is made out of plastic and may not like air being forced into it
    loud-low-slow-project


    no sugar turkish, im sweet enough
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  7.  
    #16
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    Anything's possible, with enough time, money, dedication and dare I say it, skill.

    Mapping and dyno time alone can swallow well over £2,000 running stand alone.
     
     

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    #17
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    steverscos's Car Details
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    i have turbo'd my car all the details are at • Login
     
     

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