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best chip for 325i


supersaxovtr
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what sort of mods do you all recomend then air filter, exhuast, fpr, cams ?

what is wrong with chips aswell do they not give good gains for the money. what about angine management dydtems as apposed to simple chips.

i just thought a chip would be good as there are a couple of flat spots in the rev range.

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If you're looking to smooth out flat spots then maybe you're on the right track - I didn't know that at the time of my original reply of course.

However, exhausts give an immediate gain in most cases and do the least potential damage to your car. They don't have to be tractor sounding drainpipes either - just subtle, good looking and good performing changes.

Then, the air induction system perhaps - always a point of gain in bhp and engine efficiency.

I'd do those two first myself. If there are flat spots then a general tune-up at a specialist dealer should suffice.

Then, if all else fails to give you the boost you want, chip it!

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  • 2 weeks later...

I'm gonna disagree... Standard ignition and fuelling maps are balanced between economy and performance. - I've chipped my old dog and given her a new lease of life. Obviously this will be at the expense of fuel economy to some extent!

As far as other modifications go, I'd leave cams until last. - They offer a small performance increase for the amount of money they cost (generally a lot) and make the car less driveable unless you're screaming everywhere at full tilt.

Like M3Me says, an exhaust can release a bit of power but also with considerations. - Your car will be catalytic and Lambda'd, so you can't drop on a full system like I have. - Avoid Powerflow-style systems like the plague, go for a specifically designed system from a respected tuning house, Sebring, Milltek and Scorpion have all shown power increases from their systems, whereas a non-tuned variety will sound the canine's plums, but probably offer little or no back-pressure when needed, stuffing your driveability and torque.

BMW induction is generally very good. Does your model have more than one throttle body? - I have a 4mm overbore on my throttle body and the difference is certainly noticeable! - Air intake is a bone of contention, at least in the E30 camp. The stock air intake, airbox, filter etc., have NOT been bettered by aftermarket induction. - I know the E36 has a few more options for heatshielding if you go for a 57i induction kit or similar, but remember that your engine is producing a lot of heat that you don't want in your air.

General tuneup is also a good idea, my idle mixture screw was a mile out when I fitted my chip, so get to a specialist and make sure the standard car is in fine fettle before you start unleashing those ponies.

Good luck with it all, keep us posted. Pardon the pun.

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