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E36 M3 (1992-1999) {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999


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Old Wed, May-09-2018, 12:29:27 AM   #31
Ajcanadian
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Default Re: Top speed?

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Originally Posted by SQ13 View Post
I’d recommend a Nissan GTR

For handling, maybe Bilstein Clubsport or MCS coilovers?
I do want to autocross the M3 eventually not now after I'm happy with how the car looks
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Old Wed, May-09-2018, 12:41:47 AM   #32
98M3csm
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Default Re: Top speed?

152 indicated. TRM tune, m50 manifold. It had more but was barely accelerating so I gave her a break.
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Old Wed, May-09-2018, 01:38:01 AM   #33
pbonsalb
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Default Re: Top speed?

You don’t need a stronger diff to go faster. The stock 188mm diff will handle 500 rwhp everywhere but launching of the line on the dragstrip with drag radials. You will actually break the driveshaft and break the diff output stubs before you break the 188mm diff. I learned all this the hard way.

Braymond is also right that longer gearing, like a 2.93, would not help a stock power car go faster. Add more power and then the longer diff gear would add top speed on a 5 speed car (or a 6 speed trans would add top speed on a stock gear diff car).
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Old Wed, May-09-2018, 02:49:25 AM   #34
bluptgm3
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Default Re: Top speed?

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Originally Posted by Braymond141 View Post
That is not correct either. 240hp is enough to take the car beyond 150mph.


I suppose, using a calculator that does not take drag into account.or perhaps have an endless straight.

Edit: Just looked at a couple calculators and for a 6250 redline (stock S52, 5th gear), 3:23 dif., and 235/40R17 (24.7 cir) tires, top speed is ~142.....


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Old Wed, May-09-2018, 04:51:18 AM   #35
Braymond141
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Default Re: Top speed?

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Originally Posted by bluptgm3 View Post
I suppose, using a calculator that does not take drag into account.…or perhaps have an endless straight.

Edit: Just looked at a couple calculators and for a 6250 redline (stock S52, 5th gear), 3:23 dif., and 235/40R17 (24.7 cir) tires, top speed is ~142.....


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The stock speed based (120kph and above) redline is 6500 with a 6600rpm hard limit. The hard limit being used on full load.

As I already said though, nobody removes the top speed limiter without raising the redline. Dinan adjusts it but doesn't give the full redline beyond 120kph. Others just give it full redline at whatever speed. 7k and 7,200rpm being normal.

255kph is an editing limitation. It represents no speed limit, not 255 limit.



The first chart represents any refence you’ve read to 1st and 2nd gear being good fir 6700rpm and 6500rpm in third and above. 2nd tops out right about 100km/h on stock software.

Last edited by Braymond141; Wed, May-09-2018 at 05:12:12 AM.
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Old Wed, May-09-2018, 06:24:38 PM   #36
bluptgm3
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Default Top speed?

Was the redline/gearing and ECU speed limit in place due to the available tires at the time?
Crash survivability in a stock car?

Michelin MXX3s were in excess of 149 MPH or Z rated tires fit on the E36 M3.

Edit:
Surprisingly (or not), the 3.15 final drive 3.0L 1995 M3 calculates out to 151 MPH @ 6500 RPM, 163 MPH @ 7000 RPM.
LOL, the 3.2L 1996+M3 is ~ 147 MPH @ 6500 RPM, and 152 MPH @ 7000 RPM, gives up 11 MPH for a quicker 60 MPH - 80 MPH time.

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Last edited by bluptgm3; Wed, May-09-2018 at 10:51:42 PM.
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Old Wed, May-09-2018, 09:56:46 PM   #37
omairtheman1
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Default Re: Top speed?

I've been close to 160... Too scared to look down lol.

I'm also supercharged. 1995 M3 with stock transmission.
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Old Wed, May-09-2018, 11:25:05 PM   #38
Braymond141
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Default Re: Top speed?

Quote:
Originally Posted by bluptgm3 View Post
Was the redline/gearing and ECU speed limit in place due to the available tires at the time?
Crash survivability in a stock car?

Michelin MXX3s were in excess of 149 MPH or Z rated tires fit on the E36 M3.

Edit:
Surprisingly (or not), the 3.15 final drive 3.0L 1995 M3 calculates out to 151 MPH @ 6500 RPM, 163 MPH @ 7000 RPM.
LOL, the 3.2L 1996+M3 is ~ 147 MPH @ 6500 RPM, and 152 MPH @ 7000 RPM, gives up 11 MPH for a quicker 60 MPH - 80 MPH time.

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I don't know where you come up with this stuff. It's 160mph for a 3.23 final drive 96+ at 7,000rpm. Tire sizes are 245/40/17, which is typically 24.7" standing and then factor in tire growth (let's just say 25.4") at those speeds... 160+ is achievable.
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Old Wed, May-09-2018, 11:31:54 PM   #39
bluptgm3
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Default Re: Top speed?

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Originally Posted by Braymond141 View Post
I don't know where you come up with this stuff. It's 160mph for a 3.23 final drive 96+ at 7,000rpm. Tire sizes are 245/40/17, which is typically 24.7" standing and then factor in tire growth (let's just say 25.4") at those speeds... 160+ is achievable.


Sorry Ive been running 235/40R17s


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Old Thu, May-10-2018, 12:46:19 AM   #40
pbonsalb
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Default Re: Top speed?

Tires can make a difference. I once did the math to estimate that my former 3.64 diff was like a 3.58 when turning 255/40/17 tires. I could get only about 143 mph at 7000 but I got there fast and got there a lot when I had the Vortech T Trim.
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Discussing Top speed? in the E36 M3 (1992-1999) Forum - {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999 at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)