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  1. #1
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    2 out of 2 members liked this post. Reputation: Yes | No

    Please excuse my BMW ignorance but...

    I am the proud new owner of a 2012 128i. I don't know what number designation the engine is first of all. I have been a small block Chevy person most of my life. (Raced pro stock and limited late dirt cars)

    I was wondering what type of performance gains I could expect with cat back, cool air intake and remapping. I have a hard time believing the claims from the manufacturers but maybe they are true.

    What is best bang for the buck mods to this sweet little car? And I don't want to mess with engine internals at this point.

    Any quality advice would be appreciated.

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    Congrats on your new ride and welcome to the BMW world.

    Your engine designation is N52.

    I can't help with performance for N52, but I'm sure the N52 crowd can Click here to enlarge

    this thread might be of interest to you (in N52 forum)

    http://www.bimmerboost.com/showthrea...fied-AA-FLASH)
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  3. #3
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    You don't know your engine designation? That's it, get out. No time for n00bs.

    Just kidding man, you have an N52 as said. Problem is there aren't many mods for that motor and there isn't a lot of power to squeeze out. Wish I had better news...

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    I'd rather hear that now then after $2000 in parts. It is a great little car. Being a 2.8 at 230hp I'd think it would be possible to get much more with some doing. I'll keep credit card in pocket and enjoy car as it.

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    I mean you can get a small bump here and there to make it more enjoyable but just don't expect anything big.

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    Honestly don't expect much. N/a BMW engines aren't known for making big power (there are a few exceptions). I personally would do catless headers for the most bang for your buck hp and combine that with an active autowerke tune. The stock air intakes are usually top notch maybe try a high flow filter and elbow. As for exhaust it's all personal preference as the performance gains are all going to be about the same and very very small of any. Really the best mods you could do and actually feel a difference would be a good coil over set and maybe a LSD with a more aggressive gear ratio. GL bro have fun the 1series is a fun little carClick here to enlarge
    **edit** also look into evolve and see if they have a tune

  7. #7
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    I wouldn't waste money on modifying it, just enjoy the car as is. If you really decide you want more power, your better off trading for a 135. Then its a whole new ball game....
    Click here to enlarge
    ESS 6XX kit

  8. #8
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    Click here to enlarge Originally Posted by bobS Click here to enlarge
    I wouldn't waste money on modifying it, just enjoy the car as is. If you really decide you want more power, your better off trading for a 135. Then its a whole new ball game....
    This. The money you spend to make it a faction faster really isn't worth it given the other options imo.

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    Click here to enlarge Originally Posted by Torgus Click here to enlarge
    This. The money you spend to make it a faction faster really isn't worth it given the other options imo.
    Every fraction of a second countsClick here to enlargeClick here to enlargeClick here to enlarge
    for real though this isn't be car to try and make fast, but it's still fun.

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    Click here to enlarge Originally Posted by G0TB00ST? Click here to enlarge
    Every fraction of a second countsClick here to enlargeClick here to enlargeClick here to enlarge
    True. Twin scroll that bish.

  11. #11
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    Click here to enlarge Originally Posted by Torgus Click here to enlarge
    True. Twin scroll that bish.
    Are there turbo/superchargers out there? I've heard rumors about a supercharger. I don't think that engine would handle boost to well though lol

  12. #12
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    Click here to enlarge Originally Posted by G0TB00ST? Click here to enlarge
    Are there turbo/superchargers out there? I've heard rumors about a supercharger. I don't think that engine would handle boost to well though lol
    I think AA was considering an SC but there isn't anything out there.

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    Active has a supercharger for everything. I bet they could do a one off no problem, it would be cheaper to just sell the 128 and get a 135 though I imagine.

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    Click here to enlarge Originally Posted by bobS Click here to enlarge
    I wouldn't waste money on modifying it, just enjoy the car as is. If you really decide you want more power, your better off trading for a 135. Then its a whole new ball game....
    This is really the truth.

    Get into a 135 with the N54 motor




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    Like everyone said, you wont get much from some simple bolt ons. You can make it sound better with an airbox and an exhaust thought, Makes for fun driving!
    BMW Performance Kidney Grille, CF Lip Spoiler, CF Diffusser, Blackline LCI Tailights, Magnaflow Full Exhaust, BMS Intake, Jb4 w/ E85, Meth Injection, BMS ********, VRSF 5" Intercooler, CP-E Charge Pipe, ST Coilovers, M3 Subframe Bushings, VMR VB3 Wheels, 255 Inline Fuel Pump

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    1 out of 1 members liked this post. Reputation: Yes | No
    3 stage intake manifold. Find a wrecked 328 with an N51 motor. or an older 330/530/z4 3.0is. they all have an upgraded intake manifold from what you have.. unless youre in the UK. then things are a bit different. besides that, removing secondary cats helps a bit

  17. #17
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    As someone who had a n52. Just enjoy the ride. If the mod bug starts to nibble, either trade it in for something that's more mod friendly or pick up a cheap early 90s domestic with a v8..like a fox body.

  18. #18
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    Burger makes a PBX tune for about 280. 8-10 hp/tq to the wheels with better mapping.

    that's about all I would do honestly and if you want to make power get a N54 car


    a little 50hp wet shot would wake it up Click here to enlarge
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