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      03-14-2017, 01:46 PM   #1
djaft3rb3ats
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Best mods for a stock motor

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This MUST have been asked before, but my ability to input the right search terms must be lacking.

so from my understanding, tune and exhaust is the ideal option, but am i missing anything else?

ideally i would keep the NA feel but give it a nice special feel (sound, bump in hp/tq, etc).


short of having a screaming exhaust, cuz i live in a older neighborhood and im "old" myself, what do you recommend?

i was originally set on akra, then i heard gintani but arent both REALLY loud?
definitely open to suggestions!


what other options can i get for more oompf? BPM tune? anything else?

maybe the real question is, what are your top 5 or so performance mods, NA?


edit: before suggestion of customer baller shit, know that im not a baller, but an enthusiast only
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      03-14-2017, 01:50 PM   #2
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AA Test Pipes + BPM tune = 40hp. You might also consider a Dinan pulley and an aftermarket drop in air filter like the Afe dry.

A cat back exhaust adds very little power so not a great value unless you want extra noise.
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      03-14-2017, 03:08 PM   #3
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Test pipes, tune+transmission tune, filter, pullies, axle back, rear seat delete.

Most beneficial mods

Evolve does a package with tune and gts dct tune for cheaper than other companies.
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      03-15-2017, 06:40 AM   #4
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tune, catback exhaust, brakes, coilovers.

If you go FI, you wont look back. Thats by far the best mod.
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      03-15-2017, 09:49 AM   #5
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Test pipes. End thread
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      03-15-2017, 10:02 AM   #6
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On a NA motor, it's really FI or bust. Messing around with bolt-ons on a NA motor doesn't really do much, especially if you want to stay smog legal.
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      03-15-2017, 10:19 AM   #7
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Nothing. You won't get enough HP or torque to make any noticeable difference. The car will just be louder. If you don't want louder, keep it stock. I went down that road prior to supercharging, waste of money for street use.
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      03-15-2017, 10:21 AM   #8
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best mod is the 3rd pedal
look into the UCP, well worth it.
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      03-15-2017, 10:23 AM   #9
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Quote:
Originally Posted by Mvy View Post
tune, catback exhaust, brakes, coilovers.

If you go FI, you wont look back. Thats by far the best mod.
Brakes? why? his car is stock, most likely he doesn't even track it, the M3 brakes are pretty amazing brakes and most of the time anything bigger is over kill unless you are doing hardcore track racing.
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      03-15-2017, 10:25 AM   #10
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Originally Posted by BNBM3 View Post
Nothing. You won't get enough HP or torque to make any noticeable difference. The car will just be louder. If you don't want louder, keep it stock. I went down that road prior to supercharging, waste of money for street use.
This. The S65 motor is high strung to begin with. If you want a faster car, save your money for a supercharger. Or, find ways to reduce the car's weight.
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      03-15-2017, 10:26 AM   #11
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Brakes? why? his car is stock, most likely he doesn't even track it, the M3 brakes are pretty amazing brakes and most of the time anything bigger is over kill unless you are doing hardcore track racing.

As you make a car faster, you need to increase its braking abilities. For many people, this means stickier tires AND more heat capacity in the brakes.
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      03-15-2017, 10:28 AM   #12
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Quote:
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As you make a car faster, you need to increase its braking abilities. For many people, this means stickier tires AND more heat capacity in the brakes.
Not necessarily, the stock brakes are fine unless you are hardcore tracking it and they start over heating and failing.
Have you looked at the stock brakes? they would be bbk upgrades in most other cars lol.
The price of BBK don't justify them, most people that do them is for show.
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      03-15-2017, 11:14 AM   #13
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Quote:
Originally Posted by GabeS
Quote:
Originally Posted by Mvy View Post
tune, catback exhaust, brakes, coilovers.

If you go FI, you wont look back. Thats by far the best mod.
Brakes? why? his car is stock, most likely he doesn't even track it, the M3 brakes are pretty amazing brakes and most of the time anything bigger is over kill unless you are doing hardcore track racing.
For me as other stated the faster you start to go the better you want to be able to stop. Plus the BMW brakes look terrible.
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      03-15-2017, 11:34 AM   #14
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Quote:
Originally Posted by Mvy View Post
For me as other stated the faster you start to go the better you want to be able to stop. Plus the BMW brakes look terrible.
They look terrible? They are large, cross-drilled, and slotted. If you don't like the looks of the calipers, paint them.

As others have noted, the M3 brakes only have limitations on the track, but they were designed for street use. You want track-specific ceramic rotors? That's fine, but they have no real grab until they are warm. This works well on the track, but trying to make an emergency stop on the street on cold brakes can be problemmatic for people who don't want to ride their brakes to warm them up every time they drive off from a cold start.
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      03-15-2017, 11:45 AM   #15
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yeah they look terrible. Sorry to get your panties all in a bunch about the brakes guys. You can all give your own two cents about what you think he should spend his money on.
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      03-15-2017, 12:46 PM   #16
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arent i gonna spend the same kinda money, if not double, if i go SC?

i mean, people just dont get a SC and call it a day right? most will do sc + tune + exhaust, etc.

wouldnt that just mean go ball out? T_T
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      03-15-2017, 12:48 PM   #17
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Quote:
Originally Posted by Mvy View Post
tune, catback exhaust, brakes, coilovers.

If you go FI, you wont look back. Thats by far the best mod.
you have any videos of your car?

i was looking into harrop sc the other day - still not sure if its better than ESS or the other brands.
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      03-15-2017, 12:57 PM   #18
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Quote:
Originally Posted by djaft3rb3ats View Post
arent i gonna spend the same kinda money, if not double, if i go SC?

i mean, people just dont get a SC and call it a day right? most will do sc + tune + exhaust, etc.

wouldnt that just mean go ball out? T_T
Supercharging is the pinnacle of what you can do to this platform to get more power. The rest of the mods, except perhaps going catless and a tune worth 50 or so hp, do very little if power is the end game. I have spent a ton of money on my car on mods and like others said, only the SC added any real power. I regret messing with the airbox now that I have the SC. It was fine without it.

Its not cheap to do forced induction. Depending on which kit you pick and parts you proactively replace, expect $8-20k. You incrementally increase costs across the board so doing FI so its not for those on a budget. Your maintenance later gets more expensive because you have to take the plenum off everytime you need to get to things.
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      03-15-2017, 01:14 PM   #19
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I have had my 08M3 for over 6 years and street drive it year round. I found the stock power got dull fast. But I did all the NA mods like pulley, intake, tune, x pipe and rear exhaust and think the power is now OK. I can definitely feel the difference and it is the difference between not enough and acceptable enough to be entertaining, in my opinion.

Sure, I would love to have a supercharger, but a used one is $5500 to $7500 with tune depending on whether intercooled or not. I bought my NA mods used or on sale and spent under $2000. I did not have 3 or 4 times that to spend.
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      03-15-2017, 01:56 PM   #20
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      03-15-2017, 03:21 PM   #21
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For some, 50 more horsepower isn't noticeable. To others, it's plenty. Ultimately, it's 12-15% more horsepower for $2k or less if you can install the test pipes and pulleys yourself.

Or you go FI, spend $5k minimum (many spend $10k+) to get 150 or more extra ponies and is the clear bang for the buck winner. For a street car that never/rarely sees the road course track use, that's fine.

I personally wouldn't want FI for a track car if for nothing but reliability reasons.
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      03-15-2017, 04:47 PM   #22
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My 08M3 is modded NA. When you are modded NA, you think in terms of 10 hp increments when adding power. Get a few of them and you can feel it.

My 99M3 is aftermarket modded turbo. When you are modded FI, you think in 50 or even 100 hp increments. I started with 210 rwhp NA, then 300 rwhp supercharged, then 400 rwhp supercharged, then 450 rwhp supercharged, then 500 rwhp turbo, then 600 rwhp turbo, and now 700 rwhp turbo.

I like them both and drive them about the same. Coming from someone used to 600 rwhp in a 3200 lb car, the bolt on NA mods really do wake up the 3700 lb M3 to be entertaining enough that I am enjoy driving it. However if I have $7500 that I don't need one day, I might supercharge it.
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