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Thread: E36 uses M50 engine, right? Turbo Questions inside...

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  1. #1
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    Default E36 uses M50 engine, right? Turbo Questions inside...

    I've decided to forget Coil-Overs and go for a bolt-on turbo kit running low boost(6-8psi) on stock internals.

    I found a bolt-on kit for the E36 6 CYL which has the same exhaust manifold as an E34 right?

    Which means, the rest of the kit should bolt on except for the intercooler piping which I know I'll need to modify.

    So, question time for you turbo guru's

    1.) E36 Exhaust Manifold the same as E34?
    2.) If above awnser is yes...What else do I need to worry about not fitting from E36 Turbo kit?
    3.) Is it hard to make a custom Downpipe because it doesnt come with the kit.
    4.) What kind of power can I expect from this setup going through an automatic transmission(for now)
    5.) Any other things I should be worried about the setup?

    Tuning is not a problem.


    BMW E34 1992 525i Touring

    RIP Touring...probably never going to drive you again...

  2. #2
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    Default

    If this is one of those $1500 kits, dont.

  3. #3
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    Quote Originally Posted by Jon K
    If this is one of those $1500 kits, dont.
    It's more like 800, but there's got to be a good reason?


    BMW E34 1992 525i Touring

    RIP Touring...probably never going to drive you again...

  4. #4
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    Quote Originally Posted by bad_manners_god
    It's more like 800, but there's got to be a good reason?
    A real turbo kit

    http://www.activeautowerke.com/viewp...x?id=Product04

    but i have no idea if this will fit on the e34 m50!
    Conforti chip, K&N filter, Racing-dyn sways, EBC pad/rotor, SS brakelines, UUC DSSR, custom sound+alpine receiver, 17" PS2s, H&R/bilsports.
    "Speed is the product of doing everything right"

  5. #5
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    Quote Originally Posted by healtoeit
    A real turbo kit

    http://www.activeautowerke.com/viewp...x?id=Product04

    but i have no idea if this will fit on the e34 m50!
    Thats the problem, 10000 reasons more than i can explain.

    Low boost is better than no boost.


    BMW E34 1992 525i Touring

    RIP Touring...probably never going to drive you again...

  6. #6
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    Man so much bad information in this thread.

  7. #7
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    Quote Originally Posted by Jon K
    Man so much bad information in this thread.
    Come on, I know you want to clear it up, your like super smart with turbo's. I want to learn.


    BMW E34 1992 525i Touring

    RIP Touring...probably never going to drive you again...

  8. #8
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    Quote Originally Posted by bad_manners_god
    Come on, I know you want to clear it up, your like super smart with turbo's. I want to learn.
    1) if you turbo charge your car on that automatic you WILL break the transmission

    2) superchargers have no lag - false. The superchargers that are available for the M50 are called centrifugal superchargers. They are essentially turbochargers with a gear reduction unit and a belt driven compressor wheel. This makes them not only have lag but have a LOT of lag. Yes they start making boost low rpm, but they don't achieve "max boost" until your red-line right before you ****. So basically you may only have 1 psi at 3500 rpm, 3 at 4500 rpm, 6 at 5500+ rpm, and right at your red-line you'll make your peak boost. That's really really boring and makes the car no where near as efficient as with a turbocharger. There's a saying that goes around CF blowers that they're "All the lag, none of the boost" of a turbo.

    3) Do you honestly think a turbo kit for under $3500 or so is going to be real? Dude, those ebay junk turbos are barely turbos at all. they last about 100 - 200 miles before they explode filling your engine with shards of broken compressor wheel and housing. A normal turbo should cost you about $750+ by itself. A normal turbo uses bolts or a v-band clamp to hold the housings together. The SS autochrome turbos are held together with EPOXY. The eBay/SSAutochrome manifold for the BMW can work - I used one in my Holset turbo build. However, I modified it and built an up pipe and yeah its not a good manifold by itself, it has no wastegate port and it CRACKs. I used their manifold to build a former turbo setup and came in around $3000 - $3500. All I used was their manifold, the rest of it was quality TiAL parts and a Holset turbo.

    4) You say "tuning is no problem". How do you figure that?

  9. #9
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    Default

    Quote Originally Posted by Jon K
    1) if you turbo charge your car on that automatic you WILL break the transmission

    2) superchargers have no lag - false. The superchargers that are available for the M50 are called centrifugal superchargers. They are essentially turbochargers with a gear reduction unit and a belt driven compressor wheel. This makes them not only have lag but have a LOT of lag. Yes they start making boost low rpm, but they don't achieve "max boost" until your red-line right before you ****. So basically you may only have 1 psi at 3500 rpm, 3 at 4500 rpm, 6 at 5500+ rpm, and right at your red-line you'll make your peak boost. That's really really boring and makes the car no where near as efficient as with a turbocharger. There's a saying that goes around CF blowers that they're "All the lag, none of the boost" of a turbo.

    3) Do you honestly think a turbo kit for under $3500 or so is going to be real? Dude, those ebay junk turbos are barely turbos at all. they last about 100 - 200 miles before they explode filling your engine with shards of broken compressor wheel and housing. A normal turbo should cost you about $750+ by itself. A normal turbo uses bolts or a v-band clamp to hold the housings together. The SS autochrome turbos are held together with EPOXY. The eBay/SSAutochrome manifold for the BMW can work - I used one in my Holset turbo build. However, I modified it and built an up pipe and yeah its not a good manifold by itself, it has no wastegate port and it CRACKs. I used their manifold to build a former turbo setup and came in around $3000 - $3500. All I used was their manifold, the rest of it was quality TiAL parts and a Holset turbo.

    4) You say "tuning is no problem". How do you figure that?
    Jon, I could of not said it any better. You are alright for taking the time to explain to us all and share your expertise. I have had my turbo for 7 years and she is still running strong. I did however have the engine taken completely apart and rebuilt specificity for the turbo. Stroker, dished pistons, heavy duty everything, blueprinted and dyno. Your right, you can not just add a turbo and expect for the the stock parts to survive.......
    M20 525/7 Bore: 84.50mm Stroke 81mm CR 8.5:1, blue printed/dyno & custom chip. Boost @ 6.5psi ~246hp @ 5300rpm / torque @ 269ftlbs. @ 4250rpm

  10. #10
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    Default really?

    Quote Originally Posted by Jon K
    1)
    2) superchargers have no lag - false. The superchargers that are available for the M50 are called centrifugal superchargers. They are essentially turbochargers with a gear reduction unit and a belt driven compressor wheel. This makes them not only have lag but have a LOT of lag. Yes they start making boost low rpm, but they don't achieve "max boost" until your red-line right before you ****. So basically you may only have 1 psi at 3500 rpm, 3 at 4500 rpm, 6 at 5500+ rpm, and right at your red-line you'll make your peak boost. That's really really boring and makes the car no where near as efficient as with a turbocharger. There's a saying that goes around CF blowers that they're "All the lag, none of the boost" of a turbo.
    NEVER herd of that kind of set up! thanks for clearing up my mistake though!
    Conforti chip, K&N filter, Racing-dyn sways, EBC pad/rotor, SS brakelines, UUC DSSR, custom sound+alpine receiver, 17" PS2s, H&R/bilsports.
    "Speed is the product of doing everything right"

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