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Got a 1992 325 is what could I put to boost it an extra 100hp that won’t cause more than $500

I’m sure you could half ass a Supercharged system if you got a cheap compressor system, chip, and bigger injectors. (used chip $150, used compressor $250 if you’re lucky, used 48lb/hr injectors, again, if you’re lucky. Notice I didn’t include miscellaneous stuff like belts and such. ) You would have to run 93 gas though and might even need methanol injection.
This would be a VERY crappy setup though and very dangerous. Better take your $500 and save $4500 more and buy a real supercharger system. $4,500 might even include the chip, injectors etc in the package.
(Why supercharger? Well, more linear torque delivery than a turbo, less heat so no need for intercooler, and don’t have to go with a standalone)

4 Responses to “What performance parts could I put into my bmw 325 is that will boost it an extra 100hp?”

  1. hondab16tuner says:

    For 100 HP you better budget $5,000, NOT $500. $500 will get you an intake setup, and not much else. The air intake will give you 2-5 more HP. For 100 hp you will need a turbo system. And for all the people who say get nitrous, I’m sure you want 100 hp that is CONSTANT, not when you press a button.
    References :

  2. The only thing that you can do that will add that kind of power for cheap would be nitrous, but I am not sure that you could get it for $500. That is super cheap for a nitrous kit. Keep in mind that nitrous will blow that motor up. There is nothing you can do to that car outside of that to add 100 horsepower cheap.

    I honestly would not waste the money because that car was not designed with performance in mind.
    References :

  3. drewdude320i says:

    Nitrous would probably do it, but Nitrous is for little sissy girls.

    You’d have to turbo it, which would cost a few thousand dollars, at a minimum, just for components -and then you would have to deal with fuel delivery and timing changes under boost, etc.
    References :

  4. I’m sure you could half ass a Supercharged system if you got a cheap compressor system, chip, and bigger injectors. (used chip $150, used compressor $250 if you’re lucky, used 48lb/hr injectors, again, if you’re lucky. Notice I didn’t include miscellaneous stuff like belts and such. ) You would have to run 93 gas though and might even need methanol injection.
    This would be a VERY crappy setup though and very dangerous. Better take your $500 and save $4500 more and buy a real supercharger system. $4,500 might even include the chip, injectors etc in the package.
    (Why supercharger? Well, more linear torque delivery than a turbo, less heat so no need for intercooler, and don’t have to go with a standalone)
    References :

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