M3

Motorsport version of BMW's 3 Series. What ever other luxury sport car strives to be.
"Wow, I want an M3!"
by Mike August 03, 2003
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M3

Number one sports car ever built!! For the years of the E30 M3, no car could touch or comapre to its ability. Even todays cars are still trying to catch up to this 18+ year old creation. God Blessed the E30 M3. I am on my 2nd E30 M3 and and my 6th E30, I have never been dissapointed.
"My M3 loves the quick twisties!!"
by Robert Wagner June 29, 2006
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M3

N: a 12 gauge shotgun created by HK (Heckler and Koch), based off the M1 shotgun with the added ability to be set to full auto, in pump it can fire all standard ammunition as well as gas grenades flares and non lethal ammunition.
It can hold 7 shells at a time; Its over all length is 41 inchs (1,041.4 mm) with stock unfolded and 31 inchs (787.4 mm) with it folded in, It is 2.25 (57.15 mm) inchs wide and 7.25(184.15 mm) inchs tall. the barrel length its 19.75(501.65 mm) inchs, and it wieghs 7.6 pounds(3.45 kg) when empty (no ammo).
by Billy November 05, 2003
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M3

1) BMW automobile that will whoop on almost anything upto twice it's price range. It's not Jap so has a decent interior and build quality too.

2) Heckler & Koch 12 Gauge shotgun with fully automatic ability

3) Total amount of money in the American economy.
1) Daym that German made 3.2 litre V6 N/A pissed on my fat assed 5 litre V8 big block

2) "Say hello to my little friend..."

3) M3 figures aren't published anymore so watch out for out of control inflation!
by saze_g September 30, 2006
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M3

Refers to the original BMW M3 (e30 chassis) which won countless touring car championships in the late 80's and early 90's. This car was offered in a street version as well, touted as one of the best handling vehicles ever available to the public. A race car for the street if you will.

Not to be confused with later BMWs sharing a similar name (in the E36 and E46 versions the M stands for Marketing, not Motorsport) the original M3 was, is, and always will be the most badass car to ever have existed.
Did you see that old-school M3 smoke that 996!?!?!?! WTF how can an old car pull through a turn like that!!!!
by M3Driver August 26, 2004
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M3

More <3 = M3
by HappyTopaz February 12, 2013
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M3

The prefix of the mickey-mouse, so-called amateur radio foundation licence in the UK that is in reality no more than a multiband-CB licence. The Radio Society of Good Buddies (RSGB) were instrumental in its introduction and should be boycotted as a result. Most wannabes that hold M3 callsigns are either windie lickers, retards or chavs, or in some cases all three, and are too dumb to progress on to a real Amateur Radio licence. Some allegedly intelligent slackers even lowered themselves to the level of the M3 licence because they were too lazy to do a fairly simple morse test to achieve a full licence.
That 10W M3 just beat me in a pileup, and I'm using 400W to a monoband yagi!
by Windie Licker October 18, 2006
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