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      06-02-2010, 06:15 AM   #1
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M3 GT4 Brochure and Specs

Fact box:
Length: 4,615 mm
Width: 1,804 mm
Height: approx. 1,360 mm
Wheel base: 2,761 mm
Weight: 1,430 kg
Tank capacity: approx. 100 litres
Price: 121,500 Euro Euros (excl. VAT)
Engine type: Eight-cylinder, V-configuration
Capacity: 3,999 ccm
Bore x stroke: 92 x 75.2 mm
Compression: 12.0 :1
Max. output: approx. 480 bhp
Max. engine speed: 8.500 rpm

The M3 has 4.10 final drive and the redline is lifted up from 8.400 rpm to 8.500 rpm. For the M3 GT4 there are thre different engine control units:
-Original
-FIA (-10%)
-FIA ( - 7%)

Does anybody know the differences between these the ECUs?
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      06-02-2010, 01:37 PM   #2
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Very cool. Thanks.

I thought the GT4 had an Akrapovic exhaust. Does not appear that way.
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      06-03-2010, 12:16 AM   #3
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Very Cool

Customer Race Program + less then the 997 GT3 Cup Program (albeit a little slower).

Ima build one -- with better parts (Bilstein = lol)

How they getting 480bhp @ the crank? bore & stroke?

Last edited by mastek; 06-03-2010 at 12:49 AM.
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      06-03-2010, 12:33 AM   #4
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that is very cool
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      06-03-2010, 12:56 AM   #5
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480hp? That sounds more like the M3 GT2 to me
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      06-03-2010, 01:37 AM   #6
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Quote:
Originally Posted by mastek View Post
Very Cool

Customer Race Program + less then the 997 GT3 Cup Program (albeit a little slower).

Ima build one -- with better parts (Bilstein = lol)

How they getting 480bhp @ the crank? bore & stroke?
GT4's engine is completely stock and therefore makes 414 hp + a few more due to high flow cats (made by Akrapovic).
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      06-03-2010, 06:09 AM   #7
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Quote:
Originally Posted by rldzhao View Post
GT4's engine is completely stock and therefore makes 414 hp + a few more due to high flow cats (made by Akrapovic).
ya - thats what i thought .... thanks for clarifying ..... op u had me for a sec .... thought i read it in the brochure.

anyone have access to high-res pics of the cage work in this car?
thanks
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      06-03-2010, 04:10 PM   #8
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Redline is lifted up to 8.500 rpm. And as I said before there are three different ECUs, Stock, FIA 10% and FIA 7%. That could probably be the difference.
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      06-03-2010, 05:39 PM   #9
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Quote:
Originally Posted by rldzhao View Post
GT4's engine is completely stock and therefore makes 414 hp + a few more due to high flow cats (made by Akrapovic).
How come the exhaust in the GT4 pics in the brochure looks like it has a large muffler similar to the stock muffler, as opposed to the 2 discrete mufflers in the E9X M3 Akrapovic after market exhaust.

I would have expected a similar Akrapovic exhaust to be used in both applications, i.e. after market and GT4.
Actually, the exhaust on the GT4 that Turner Motorsport acquired looks like the regular after market Akrapovic exhaust.

http://www.m3post.com/forums/showthread.php?t=384200

Hmmm confusing...
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      06-03-2010, 08:15 PM   #10
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Quote:
Originally Posted by mastek View Post
ya - thats what i thought .... thanks for clarifying ..... op u had me for a sec .... thought i read it in the brochure.

anyone have access to high-res pics of the cage work in this car?
thanks
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      06-03-2010, 08:16 PM   #11
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Quote:
Originally Posted by FrenchBoy View Post
How come the exhaust in the GT4 pics in the brochure looks like it has a large muffler similar to the stock muffler, as opposed to the 2 discrete mufflers in the E9X M3 Akrapovic after market exhaust.

I would have expected a similar Akrapovic exhaust to be used in both applications, i.e. after market and GT4.
Actually, the exhaust on the GT4 that Turner Motorsport acquired looks like the regular after market Akrapovic exhaust.

http://www.m3post.com/forums/showthread.php?t=384200

Hmmm confusing...
That's probably an old version of the car...

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      06-03-2010, 08:17 PM   #12
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sick thanks for posting
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      06-30-2010, 08:57 PM   #13
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I saw this vehicle at the BMW welt and its cool. Also thats a lot lighter than the 3700 pound stock one.
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