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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 10-02-2003, 10:01 AM
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hey guys,

me and my dad are starting a project sort of thing together, he is gonna buy the car and from then we are gonna modify it and eventually (once i get my licence) i will take it for myself.

what i need to know is what should be the first couple of modifications i put on it, and what sort of pricing am i looking at? 1998 model 330i, and im not as educated as all of you out there so u may need to explain a little for me thanks for any responces

daniel

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#2 (permalink) Old 10-02-2003, 10:40 AM
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Don't know about prices, however:

Start with the exhaust system. Keep in mind I said SYSTEM. That consists of Intake, Header(s), catalytic converters, and cat back exhaust. If you can replace those parts that will give you a great start and net you the most HP/torque gains because the car will be breathing better. After that get the Conforti ECU upgrade software to reprogram your ECU to take advantage of your mods and raise your torque/hp that much more. Suspension should come next (no HP/torque gains here, but you'll stiffen the ride and lower the profile). Better tires and rims (again no HP/torque gains here). You may want to consider the Plasma Coils to replace the stock ignition coils, better spark plugs also.

Hope that helps.

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#3 (permalink) Old 10-02-2003, 11:14 AM
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Concentrate on suspension, like lowering it, and looks. Horsepower mods are minimal and wont get you the babes as much as looks. Oh and go to a high performance driving school before you test yourself on the street and smuck it out. ghead
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#4 (permalink) Old 10-02-2003, 12:44 PM
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Quote:
Originally posted by wjwbmw@Oct 2 2003, 02:54 PM
Concentrate on suspension, like lowering it, and looks. Horsepower mods are minimal and wont get you the babes as much as looks. Oh and go to a high performance driving school before you test yourself on the street and smuck it out. ghead
are you smoking? If he were to apply the mods as described above hp gains would NOT be minimal. Not in the least. I'm sure him and his dad are going to mod the car so he can pick up chicks As the car is it looks good, no need to go crazy buying clears and all that. That can come later. It's not like the car is ugly as sin.

But hey, who am I to say anything. Maybe he wants more show than go ....

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#5 (permalink) Old 10-02-2003, 03:56 PM
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yeah a total exhaust system(catback-catylitic c.-headers, and intake) will give him about 30 to 40 hp depending on brand. also you should check into some m3 cams and pulley upgrade
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#6 (permalink) Old 10-02-2003, 04:05 PM
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Quote:
Originally posted by GreenDragon+Oct 2 2003, 01:24 PM--></span><table border='0' align='center' width='95%' cellpadding='3' cellspacing='1'><tr><td>QUOTE (GreenDragon @ Oct 2 2003, 01:24 PM)</td></tr><tr><td id='QUOTE'><!--QuoteBegin-wjwbmw@Oct 2 2003, 02:54 PM
Concentrate on suspension, like lowering it, and looks. Horsepower mods are minimal and wont get you the babes as much as looks. Oh and go to a high performance driving school before you test yourself on the street and smuck it out. ghead
are you smoking? If he were to apply the mods as described above hp gains would NOT be minimal. Not in the least. I'm sure him and his dad are going to mod the car so he can pick up chicks As the car is it looks good, no need to go crazy buying clears and all that. That can come later. It's not like the car is ugly as sin.

But hey, who am I to say anything. Maybe he wants more show than go ....[/b][/quote]
I dont smoke. I guess one mans minimal is another ones maximum. Exhaust is a good mod if only for the sound improvement. Funny how some peolple think its going to give you 30 hp. used If you do your research you will find 7hp gain for exhaust is normal. I hope you dont beleive the chip sellers claim of 20 hp gain. Like I say the most rwhp gain over stock with all the normal mods will be less than 50 hp. Many people have posted dyno charts to show this. Go to some other bmw forums and look for yourself.
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#7 (permalink) Old 10-02-2003, 04:07 PM
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Quote:
Originally posted by bimmer328isss@Oct 2 2003, 04:36 PM
yeah a total exhaust system(catback-catylitic c.-headers, and intake) will give him about 30 to 40 hp depending on brand. also you should check into some m3 cams and pulley upgrade
bmw's exhaust systems are pretty free-flowing from the factory as-is, and the cams are really in control on how the car breathes. header's/resonator/catback exhaust wont really make a tremendous difference on a stock engine, but i'm sure it would probably be noticeable. i think with a bunch of mods working together you will get a pretty good result, but you cant just add up the hp numbers that are advertised on each product. i think a 30-40hp gain would be close to the max you could squeeze out of a m50
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#8 (permalink) Old 10-02-2003, 10:37 PM
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yer, good stuff guys, i think firstly will get get it going a bit faster and have more power and then ill move onto the finishing things etc.

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#9 (permalink) Old 10-02-2003, 11:58 PM
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Well, nothing you guys have said really matters, cuz I doubt he can find a 98 330.

The e36 model line consists of 92-95 1.8L i4 and 2.5L i6 engines. 96-98 saw a 1.9L i4 and 2.8L i6. The M has a 3.2L i6.

prices range anywhere from 5k to 25k, depending on year, model, and mileage. Since you plan to modify this car, i would suggest a lower milage vehicle. This creates a problem though. The OBDI cars (>95) are easier to reprogram, whereas for an OBDII car (96<) you will need a shark injector to make the fullest use out of your mods. Finding a low milage OBDI could be hard.

Really for any mod you're looking at $200 minimum up to $2000, unless you go FI, in which case your looking at around $5000. Also, BMWs are not drag cars. If straightline speed is all you want, get something else. It will be cheaper and you will see more gains in HP.

personally, I think you do not need to make the car faster if you dont even have your lisence yet. Focus on the suspension first and really learn to control the car, or else you risk ending up wrapped around a tree. Depending on where you live, RWD and high power can be fatal in incliment weather if the driver is less than experienced.

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#10 (permalink) Old 10-03-2003, 08:10 AM
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Quote:
Originally posted by wjwbmw+Oct 2 2003, 07:45 PM--></span><table border='0' align='center' width='95%' cellpadding='3' cellspacing='1'><tr><td>QUOTE (wjwbmw @ Oct 2 2003, 07:45 PM)</td></tr><tr><td id='QUOTE'>
Quote:
Originally posted by GreenDragon@Oct 2 2003, 01:24 PM
<!--QuoteBegin-wjwbmw
Quote:
@Oct 2 2003, 02:54 PM
Concentrate on suspension, like lowering it, and looks. Horsepower mods are minimal and wont get you the babes as much as looks. Oh and go to a high performance driving school before you test yourself on the street and smuck it out.* ghead

are you smoking? If he were to apply the mods as described above hp gains would NOT be minimal. Not in the least. I'm sure him and his dad are going to mod the car so he can pick up chicks As the car is it looks good, no need to go crazy buying clears and all that. That can come later. It's not like the car is ugly as sin.

But hey, who am I to say anything. Maybe he wants more show than go ....
I dont smoke. I guess one mans minimal is another ones maximum. Exhaust is a good mod if only for the sound improvement. Funny how some peolple think its going to give you 30 hp. used If you do your research you will find 7hp gain for exhaust is normal. I hope you dont beleive the chip sellers claim of 20 hp gain. Like I say the most rwhp gain over stock with all the normal mods will be less than 50 hp. Many people have posted dyno charts to show this. Go to some other bmw forums and look for yourself. [/b][/quote]
First of all, read the whole post. If you change the exhaust from cat back you get minimal improvements, yes. HOWEVER, if you change the EXHAUST SYSTEM, which includes the intake, the headers, the cats, the cat back exhaust (all of these being high-flow or free flow pieces), and "chip" it you will get noticeable improvements. I don't care how free flowing the cat back exhaust of the BMWs are, they are still restrictive. If you get a well matted SYSTEM, that is stepped across the board from the headers back you will expell exhaust in a much more effective and efficient manner.

Let's ponder this for a moment - many people swap out their non M cat-back exhaust for an M cat-back exhaust. Why? Sound mainly, yes, but there is also an improvement in exhaust flow (try and look up what exhaust gases/pulses are. It'll give you an idea of what back preassure is and how it works) which equates to a slight gain in HP and torque. I don't quote specific numbers because I agree that there is no way to guage (unless you dyno afterwards) what the actual gains will be.

After the system is replaced, if you don't "chip" the car you will not be taking full advantage of the mods (this is actually true for all those mods, changing your intake will make it louder but not gain anything, or at least very minimal. "Chip" it afterwards and it will make a difference because the ECU then knows what the actual volume of air being sucked into the intake is and it will adjust accordingly).

I'm not saying you'll gain huge amounts of HP/torque by making those mods, I'm saying you will get noticeable improvemtns. That and you will get better gas mileage, better response from the car, and you'll run more efficiently.

Bah, whatever.

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#11 (permalink) Old 10-03-2003, 08:29 AM
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im not doing all this to pick up the chicks, i have no trouble doing all that ...lol all i want to do is have a car with some power

because where i live and where i hang out and stuff are different, around where i live there are many australian muscle cars eg, old holden commodores etc and they are very appealing in one way for the extreme amounts of power and this seems to be the trend all around here. i wanted to be a little different and stuff. snce the fast and the furious and 2fast 2furious every wannabe wants to modify there japcrap sports car and in the end the look shit.

can someons explain on the cat back exhaust...? and ECU chip all the rest i understand.

cheers

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#12 (permalink) Old 10-03-2003, 09:24 AM
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The cat-back exhaust consists of the muffler and the pipes needed to connect the muffler to the catalytic converters. Do you live in the US? If you don't then I don't think you have catalytic converters. They are placed on the exhaust system to regulate emissions on US cars.

One last thing to note - pipe diameter also makes a difference regarding efficiency and exhaust flow. Too large (say around 3 inches for non turbo cars) and you lose power, too small and you restrict exhaust flow, again losing power.

Good luck!

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#13 (permalink) Old 10-04-2003, 08:26 AM
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i appreciate all the info and imput guys, thanks

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#14 (permalink) Old 10-04-2003, 10:50 AM
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First of all i think all of you missed the point that he has a 318. Doin an entire exhaust system might get him 20 hp max, but it will probly reduce his torque on the smaller engine. My opinion would just be to do a few things for rev power rev rev go weee.

1st get a cone intake. These are good for high rev gain.

2nd start workin on the core. Get some double valve springs. Then get a nice big high degree cam thats good for high revs cause high revs is the only way you will make power in this car.

3rd Jim Comferatti chip. Get this at the same time as the cam otherwise your cam is useless almost. BMWs do not have adaptable chips (this is why i backed down from the big6 afm swap, ask me about it mrm3)

4th See if you can get some shorty headers. They can be attained for realatively cheap, much cheaper than the other full systems and around $300.

5th If you feel you can get a few better flowage units go ahead and dump your catalytic converter and get a straight pipe. This is cheap.

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#15 (permalink) Old 10-04-2003, 11:14 AM
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Quote:
Originally posted by Fox+--></span><table border='0' align='center' width='95%' cellpadding='3' cellspacing='1'><tr><td>QUOTE (Fox)</td></tr><tr><td id='QUOTE'>First of all i think all of you missed the point that he has a 318[/b]

used
<!--QuoteBegin-daniel318is

hey guys,
me and my dad are starting a project sort of thing together, he is gonna buy the car and from then we are gonna modify it and eventually (once i get my licence) i will take it for myself.

what i need to know is what should be the first couple of modifications i put on it, and what sort of pricing am i looking at? 1998 model 330i, and im not as educated as all of you out there so u may need to explain a little for me* * thanks for any responces daniel
[/quote]

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