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///M3 Forum
The BMW E46 ///M3 is the M version E46 and puts out an amazing 333 HP and 262 lb-ft of torque at stock specs! There are an amazing amount of modifications for both the coupe and convertible models so read up and get started modifying your cars today!

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Old 01-21-2014, 12:46 AM   #21
AgentJBOND
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RTABs and rear control arm ball joints (2 on each rear wheel for total of 4), FCABs.


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Old 01-21-2014, 01:05 AM   #22
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Also the eccentric washers that keep the alignment bolt straight through those lower rear ball joints needed replacing in my m3 and my buddy's zhp.


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Old 01-22-2014, 10:57 PM   #23
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Thorough rr subframe mount inspection. I got caught out on that one
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Old 01-26-2014, 12:12 PM   #24
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Also check your diff seals for leaks.
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Old 01-26-2014, 01:34 PM   #25
ControllerPlus
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Originally Posted by Grande D View Post
piece of mind, install the full Beisan setup. Lots of money, but worth it if you can't afford to have your car let you down.
Hey man, what is the true benefits of having the full Beisan setup? Is it basically making your Vanos brand new again? Curious..
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Old 01-26-2014, 09:22 PM   #26
XKR
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There are so many exhaust setups for this car it's unreal. Nothing will sound that great without catless headers. So get that and move the cats downstream with a rasp terminator.
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SGT catless headers

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Old 01-28-2014, 01:49 PM   #27
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There are so many exhaust setups for this car it's unreal. Nothing will sound that great without catless headers. So get that and move the cats downstream with a rasp terminator.
Thanks for this tip.

I don't plan on going fully all out with performance mods. I changed my mind. I think I just want full exhaust, and suspension modifcation as I think I'd like to sell the car in a year or so and upgrade to e92/e93.


WHERE can I learn about all these cool exhaust set ups?

I've been looking into just muffler, but screw it I'd prefer to go all the way full catback + headers.
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Old 01-28-2014, 02:52 PM   #28
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Congrats! Exhaust setups are all over the place, information is everywhere! I'm running probably one of the most bizzare haha AFE CAI and race headers up front, catless, full meisterchaft titanium race pipes finished off with an Eisenmann muffler..car sounds mean lol

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Old 01-28-2014, 04:29 PM   #29
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Originally Posted by 03BIMMERM3 View Post
Congrats! Exhaust setups are all over the place, information is everywhere! I'm running probably one of the most bizzare haha AFE CAI and race headers up front, catless, full meisterchaft titanium race pipes finished off with an Eisenmann muffler..car sounds mean lol

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Wow! Any videos or sound clips?
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Old 01-28-2014, 04:53 PM   #30
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Originally Posted by HellRaiser1 View Post
Thanks for this tip.

I don't plan on going fully all out with performance mods. I changed my mind. I think I just want full exhaust, and suspension modifcation as I think I'd like to sell the car in a year or so and upgrade to e92/e93.


WHERE can I learn about all these cool exhaust set ups?

I've been looking into just muffler, but screw it I'd prefer to go all the way full catback + headers.
So here are your main options for section 1 with the down stream cats. I ordered rasp terminators from them but it wasen't my thing so i got rid of them.
http://www.************************/...idCategory=254 <-- is this link working? its showing up censored for me. goto custom-performance .net /productcart/pc/viewCategories.asp?idCategory=254

For headers, I have status gruppe which are the best bang for your buck. JVT headers are like 200 bucks but they are a hit and miss. My SGT headers had a crack in it though but they offered to reimburse me for the repair costs. Agency power are a few bucks more and slightly better. Stepped headers are the best. Go with supersprint if you could afford it. Or CSL styled ones

You don't have much of an option for the mid-pipes. any X pipe will do. I have the rouge engineering one because it was the only one with a cutout. you could get it resonated though for a quieter exhaust. Not sure if it affects rasp.
http://www.modbargains.com/Rogue-Eng...ipe-E46-M3.htm

Now there are so many mufflers to choose from. If you want a cheap one, go with top speed. It's a replica of the gruppem which is extremely expensive. I think status gruppe own the rights to the scorza muffler which sounds awesome. active autowerke has a very nice sounding muffler. There is rouge engineering and miltek which have deep sounding sounds. Borla is deep. Dinan is nice and quiet if you want your car to be stealthy. Supersprint has a race sounding exhaust. Kresseig is very expensive but sounds like an F1 car. I could go on and on but I'll save you some reading. Oh, if you want max performance, go with a full bimmerworld exhaust. only a thousand bucks but you get max gains.
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Old 01-30-2014, 06:01 AM   #31
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Happy that you have an m3 man! Welcome to the club, I suggest a few things

Purchase Inspection.
Changing all fluids
Prepare for 100k maintenance (coolant system and so forth)
Check the VANOS/SMG(if SMG)
Get SMG shift-point retaught(if SMG)
Check differential bolts/seals

Ok !
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Old 02-24-2014, 07:20 PM   #32
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Old 02-25-2014, 07:00 PM   #33
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I wasn't aware that the ///M has the same cooling sensitivity issues as the non-m e46s.

Congrats on the purchase! Hope it gives you many miles of joy!
it doesn't
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Old 02-25-2014, 08:54 PM   #34
chubakakid
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Sub'd for pics *_* e46 M3 is my dream car as well... Hoping to get one come spring time!!
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Old 02-26-2014, 11:28 PM   #35
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Dinan is nice and quiet if you want your car to be stealthy. .
XKR, My Dinan is loud as hell! I am thinking I will get a ticket for it, sure sounds good but super loud.
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Old 02-27-2014, 09:12 AM   #36
morningisbad
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This is my M3 at the track to give you an idea of how the M3 can sound. Mine is loud. Like, very loud. I've got a decibel meter and at 15 feet at chest height I got 114db. Also, I live in an area with out inspections, so being catless isn't an issue for me.

My setup:
Super sprint V1 stepped headers
Super sprint section one with resonators
Super sprint x-pipe (non-resonated)
Super sprint race muffler

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Old 02-27-2014, 11:45 PM   #37
NICKBRUM
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Originally Posted by braaang View Post
Thorough rr subframe mount inspection. I got caught out on that one
Seems to be overlooked in this thread. Inspect subframe mounting points for cracks in uni body. Its a very very common problem.
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