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Old 07-09-2010, 06:00 PM   #1
tim330i
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The Legendary BMW M3 Turns 25

The anticipation began in August 1985. That summer Germany's automobile magazines built up their readers' expectations for the fastest 3 Series BMW of all times. The key data revealed a sports car that would punch way above its class: 200 hp, top speed in excess of 230 km/h, sprint from a standing start to 100 km/h inside 6.7 seconds. However, the story was that "the most dynamic BMW 3 Series drivers" would have to wait until mid-1986. The pundits were right on that count. But one prediction missed the mark by a mile: anyone who "wants to be in the A Team needs to be turbocharged under the bonnet". Not true.

The BMW M3 became the most successful touring car in motor-sport history. The M3 project was launched just a few months earlier. Production of the M1 mid-engine sports car had already been discontinued for some time and BMW CEO Eberhard Kuenheim commissioned a design for a successor, almost as an aside, according to legend. After one of his regular visits to Motorsport GmbH in Munich's Preußenstraße he said, almost as he was leaving: "Mr. Rosche, we need a sporty engine for the 3 Series." His aspiration was in good hands. Motorsport GmbH with its managing director of technical development Paul Rosche had demonstrated its expertise with the legendary 5 Series saloons driven by M engines as well as developing the Formula 1 turbo engine that powered Brazilian Nelson Piquet to win the World Championship in the Brabham BMW in 1983.

The new 3 Series engine had something in common with this: the crankcase. It originated from volume production and actually formed the basis for the two-litre engine with four cylinders. Four cylinders meant less weight and high torque, an ideal platform for a sports engine in the projected displacement class. Naturally enough, the series four-cylinder engine was much too tame for a sports engine. A comprehensive power boost was called for in order to turn the plucky daily workhorse into an athletic and sporty power unit. The BMW design engineers increased the displacement to 2.3 litres and applied a formulation that had already achieved significant successes over a period of many years: four-valve engineering. There was also another reason for the decision to opt for a four-cylinder engine and not adopt the six-cylinder engine introduced in the BMW 3 Series. The longer crankshaft in the big engine started to vibrate much earlier than the shorter four-cylinder shaft. The design engineers therefore designed the crankshaft drive of the BMW M3 with sufficient torsional stability to achieve 10,000 revolutions a minute and more. By comparison with the four-cylinder engine installed in the series vehicles, this represented an increase of more than 60 percent. The rated speed for the road version of the BMW M3 was still significantly below the critical range at 6,750/min and therefore offered sufficient scope for further developments.

Paul Rosche recalls: "We started work immediately. One advantage was that the big six-cylinder engine originally had the same cylinder gap as the four-cylinder engine. We therefore cut two combustion chambers off the four-cylinder head of the M88 and bolted a panel over the hole on the rear side." This meant that the new four-cylinder engine had a second forebear. The six-cylinder engine that had initially created a sensation in the M1 and had meanwhile transformed the M635CSi into one of the fastest coupes in the world. Paul Rosche: "Whether you believe it or not - we had created an outstanding four-cylinder engine for the 3 Series within the space of two weeks. Under the development name S14, this engine was to generate headlines in sport and in volume production over the years to come. One Sunday, I drove to von Kuenheim's flat and gave him the car for a test drive. When he came back he said: 'Good, I like it.' And that's how the M3 came into being."





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Old 07-09-2010, 08:25 PM   #2
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As a current E30 M3 owner I must say that 25 years later the car is still such a joy to drive, in fact it is still holding its competitive edge during auto-x events while going up against names such as 135i's and ///M Coupes.
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Old 07-10-2010, 02:20 AM   #3
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Quote:
Originally Posted by nk_zhp View Post
As a current E30 M3 owner I must say that 25 years later the car is still such a joy to drive, in fact it is still holding its competitive edge during auto-x events while going up against names such as 135i's and ///M Coupes.
Awesome!
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Old 07-10-2010, 09:55 AM   #4
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Post pictures!

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Old 07-10-2010, 03:54 PM   #5
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Happy bday!!! M
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Old 07-11-2010, 11:46 AM   #6
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Here's the moment I met her about 6 years ago



Some auto-X action



Still shot



I ain't scared of rain...

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Old 07-12-2010, 07:50 AM   #7
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Yup....agreed....mine is still fun to drive too. She loves bouncing off redline and carving through corners on the knife edge of adhesion.
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Old 07-12-2010, 10:38 AM   #8
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I can remember the day I fell in love with this car exactly. I was maybe 14, my friends dad had just gotten a Porsche Carrera (old school carrera, late 70's, early 80's). He took my friend and I out for a ride, and clear as day I said "this must be a fast car" and he replied "not as fast as that" and pointed to the E30. From that point on, I was in love. 10 years later I pick up my first BMW, and within the next 10 years...I will have something with an ///M badge on it!
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Old 07-15-2010, 01:04 PM   #9
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Agreed, my GULF/Elephant E30 M3 has always been at the front of the field in autocross and club racing. The car is a joy to drive and very easy to keep pegged at the limit, especially now with the new AST double adjustable suspension from Elephant Motorsports!



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Old 07-16-2010, 04:20 AM   #10
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<3
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Old 09-21-2010, 09:14 PM   #11
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awesome story>>> """I can remember the day I fell in love with this car exactly. I was maybe 14, my friends dad had just gotten a Porsche Carrera (old school carrera, late 70's, early 80's). He took my friend and I out for a ride, and clear as day I said "this must be a fast car" and he replied "not as fast as that" and pointed to the E30. From that point on, I was in love. 10 years later I pick up my first BMW, and within the next 10 years...I will have something with an ///M badge on it! """

i can't remember if thi swas an actuall commercial I have seen on t.v. or if it's just something I thought up but I remember always thinking about a bunch of kids playing in the street like stick ball, kick ball or tag or something and everytime a car comes they would say "time out, hold on a 'car' is coming" and then move aside talk and still sorta play along the side of the street and not pay any attention to the vehicle what so ever, but then a BMW comes around the corner and all the kids say is if in chorus "whoa hold up, a 'BMW' is coming" and they would all drop everything step right up to the edge of the curb and all their jaws drop and they all turn their heads following the BMW as it passes by, they are all smiling, the driver is smiling, and they all wave to the driver and the driver waves back and they are all awe struck until the BMW reaches the 10 mile visibility range and slowly the game picks back up and they are all left feelin like the first time they seen a chick naked.

if it was a commercial then I love the memory if not then here it is and it is mine...lol...copyrighted and out there so when u see it on T.V. rememebr where u saw it first...
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Old 01-10-2011, 02:40 AM   #12
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Great article! Those Ms are legends!
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Old 01-10-2011, 10:30 AM   #13
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very nice post, thanks for sharing!
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Old 04-24-2013, 04:38 AM   #14
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I don't like the new shapes of the M3 to be honest, much prefer the older classic versions
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