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Old 12-03-2017, 02:20 PM   #1
gkhalaf
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E46 330xi Track Prep

So im a 16 year old, i drive a 2003 bmw 330xi. I learned how to fix cars around this car specifically. Im glad to say i've fixed everything wrong with it. I replaced vaccum lines, ignition coils, tie rods, drilled and slotted brakes. I was wondering besides this, whats a create way to gain power and handling for cheap?
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Old 12-03-2017, 02:38 PM   #2
armenh7
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No cheap way of gaining power. The worst part of the E46 is the factory headers. You can make 15-20hp off of eBay headers for about $120, but that's about it. Putting a cold air intake will make you lose power.
The E46 is made for handling. Freshen up all the suspension components and the car will dominate in the corners
Either turbo or supercharger are the ways the make big power. You'll be looking at spending $6k+ though
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Old 12-03-2017, 02:42 PM   #3
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Cheapest power gain would be nitrous, but youíd still be spending like 1k for a good set up. Thatís what Iím doing once I figure fix my 330
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Old 12-04-2017, 11:35 AM   #4
Derek46
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I would say, get some sport h&r springs ($200) and then look into getting headers and an exhaust. You could do a cold air intake (mostly just sound gain), and maybe a tune. That's all I would really mess with.


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Old 12-04-2017, 06:03 PM   #5
TheNorm
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spend money on track days and driving schools.

no matter how much $ you put into gaining a few hp, somebody with skill in a stock miata will still pass you on track.
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Old 12-04-2017, 10:48 PM   #6
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Decent tyres is where I'll start. Maybe brake upgrade too, but you mentioned slotted already done


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Old 12-05-2017, 03:31 PM   #7
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Maintenance followed by seat time. Don't forget to change the brake fluid as part of your maintenance.

Nothing will give you the improvements that seat time will. Once you have some decent seat time behind you you will be able to judge for yourself what your car needs most (though honestly wheels & tires are typically the biggest thing).
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