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3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

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#1 (permalink) Old 05-03-2004, 04:56 PM
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OK. Jus got my 97 328i n i have no clue what i should do to it first? Rims? Exhaust? Chip? Please help me out!! Thinking of getting some nice M5 Rims but i dont know if thats the first thing i should do? Any Suggestions????
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#2 (permalink) Old 05-03-2004, 05:31 PM
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A cold air intake and a chip would be a good start. If you look for nice aftermarket rims check out the TireRack.

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#3 (permalink) Old 05-03-2004, 05:40 PM
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What kind of cold air intakes are good. I dont want one that sounds too oud tho.
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#4 (permalink) Old 05-03-2004, 06:01 PM
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Just get a cheap 3.5" diameter, long intake pipe, then put a K&N filter on it.

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#5 (permalink) Old 05-03-2004, 07:02 PM
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What about an exhaust? What sounds the best?? I saw a nice remus one on bavauto.com but what other exhaust are good n sound good (but not too loud)?
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#6 (permalink) Old 05-03-2004, 07:15 PM
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I dont think there is a chip available for your car. Correct me if im wrong but i think you would have to do an OBDII-OBDI conversion or reprogram it.

Alpine White 328 IS, Pioneer Head Unit, Jensen Band pass box, debaffled air box w/ K&amp;N filter, supersprint exhaust. clear corners and side markers, More to come....
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#7 (permalink) Old 05-03-2004, 07:58 PM
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Quote:
Originally posted by EuroBeem@May 3 2004, 06:42 PM
What about an exhaust? What sounds the best?? I saw a nice remus one on bavauto.com but what other exhaust are good n sound good (but not too loud)?
3.5" intake? That would be pointless, the airflow meter is only 3". It'd just be a bottleneck. It'd be like putting a 6" exhaust pipe after your muffler can.

Great choice, I too am an owner of a 97 328is, although it's sorta modified now.....

Get the things you'd notice the most when you drive. For me it was a short shifter and clutch stop, and an intake, not for power, but for the kick ass noise you get about 5000rpm, the horsepower gain is negligable. You can make you own cold air intake pretty cheaply, or just get a K&N drop in filter and debaffle your airbox. Then get into the suspension. A nice set of mated springs and shocks/cupkit/coilovers. Then wheels.

Don't get larger wheels before you lower your car, trust me, they look very out of place.

Software is not one of the things I'd get first, or even remotely near the top of the list.

Nelson Papel
1997 Madeira Violet 328is - Carbonio Intake, Racing Dynamics exhaust, fan delete, ASC delete, M50 intake manifold, M3 Cams, Eurospeed/AA software, 3.38LSD, M3 f&r brakes + MC, Bilstein PSS, Eibach swaybars, BBS RK 17x8&quot; wheels, Toyo T1R (235/40R17) tires, Racing Dynamics K55 kit, full euro lighting, 4300k HID lows, etc..........
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#8 (permalink) Old 05-03-2004, 08:14 PM
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With a 3.5" pipe, the air will be forced faster when it reaches the 3" "bottleneck" piping. It's called the Venturi effect. It's what makes airplanes fly and fuel injectors work....

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#9 (permalink) Old 05-03-2004, 08:21 PM
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Quote:
Originally posted by EuroBeem@May 3 2004, 05:36 PM
OK. Jus got my 97 328i n i have no clue what i should do to it first? Rims? Exhaust? Chip? Please help me out!! Thinking of getting some nice M5 Rims but i dont know if thats the first thing i should do?* Any Suggestions????
You should give it to me..... hehe.


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#10 (permalink) Old 05-03-2004, 08:27 PM
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Quote:
Originally posted by camnipotent@May 3 2004, 07:54 PM
With a 3.5" pipe, the air will be forced faster when it reaches the 3" "bottleneck" piping. It's called the Venturi effect. It's what makes airplanes fly and fuel injectors work....
How is it "forced"? The engine is sucking the air through the intake and airflow meter. I understand what you're saying and I know what the venturi is, but the air won't travel faster through airflow meter and throttle part of the intake tract with a 3.5" intake versus a 3" intake.

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1997 Madeira Violet 328is - Carbonio Intake, Racing Dynamics exhaust, fan delete, ASC delete, M50 intake manifold, M3 Cams, Eurospeed/AA software, 3.38LSD, M3 f&r brakes + MC, Bilstein PSS, Eibach swaybars, BBS RK 17x8&quot; wheels, Toyo T1R (235/40R17) tires, Racing Dynamics K55 kit, full euro lighting, 4300k HID lows, etc..........
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#11 (permalink) Old 05-03-2004, 08:41 PM
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post pics so i can see what it looks like stock

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#12 (permalink) Old 05-03-2004, 08:47 PM
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Quote:
Originally posted by camnipotent@May 3 2004, 08:54 PM
With a 3.5" pipe, the air will be forced faster when it reaches the 3" "bottleneck" piping. It's called the Venturi effect. It's what makes airplanes fly and fuel injectors work....
But we are dealing with an intake, not positive pressure like thrust from a jet engine, so the mechanics are a little different here. All the larger diameter will do is give less resistance before the airflow hits the MAF, (which is always good) it shouldn't open things up much more at all. Nor will it create a turbo\supercharger effect because the air would be moving at a faster velocity once it hits the smaller diameter. (Speed does not equal pressure) If anything, it will be *detrimental* to do such a thing because the venturi effect causes turbulence & changes in velocity in the airflow. Such alterations in the flow of air will alter the MAF sensor's readings, causing the injection computer inject a different fuel:air ratio. Although you DO want a good mixture of air\gasoline, turbulence at the MAF won’t make any difference by the time it reaches the injectors anyways.
This effect makes fuel injectors & carburetors work because it creates a large amount of turbulence, mixing the fuel and air together so the impending combustion is much more evenly distributed, allowing for as much of the mixture to burn and expand as possible.


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#13 (permalink) Old 05-03-2004, 09:33 PM
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Quote:
But we are dealing with an intake, not positive pressure like thrust from a jet engine, so the mechanics are a little different here.
I was speaking of the effect that a wing experiences. Due to the air having to increase its speed in order to meet its counterpart from the bottom of the wing, pressure decreases. This results in a greater pressure below, lifting the plane.

Quote:
(Speed does not equal pressure)
True, actually it's the inverse. That is why greater speed=less pressure. What I was trying to say was that there will be a larger mass of air for the 3" bottleneck pipe to take air from. With a 3.5" in front of the 3" diameter, there is no/or less of an excuse for not enough air available. It is just more free flowing and allows more FILTERED air directly in front of the crucial opening.

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800 Watt 2-Way Rockford Fosgate Amplifier</span></span>
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#14 (permalink) Old 05-04-2004, 07:08 PM
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Ok, forget about the intake since theres only a slight hp gain. Should i go with a remus exhaust first or...M5 rims wit lowerering springs??
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#15 (permalink) Old 05-04-2004, 10:13 PM
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im goin with an Active Autowerke exhaust & cold air intake for my '96 328i...check them out.

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