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      12-31-2009, 10:21 PM   #1
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Top speed (delimited)

Anyone know the top speed of a 330i (272bhp) or a 335i without the limiter? or any other e9x delimited?

I ask this because i managed to hit around 153-155 in 5th gear before changing to 6th so im very curious to know considering i had an entire gear left after hitting the limiter (was quite shocked and pleased)
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      12-31-2009, 10:25 PM   #2
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The 335 is 189mph i think so far.
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      12-31-2009, 10:42 PM   #3
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Quote:
Originally Posted by Prowess Symphony View Post
The 335 is 189mph i think so far.
Thats crazy for 3 litre engine.
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      01-01-2010, 02:52 AM   #4
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An old friend had an E36 M3 (300bhp) and was able to v-max about 165mph, I'd imagine a derestricted 330i would be close
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      01-01-2010, 04:26 AM   #5
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Mine pulls off the clock. 330i will pull off thr clock too.
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      01-01-2010, 04:33 AM   #6
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6th gear is an overdrive, so just because you can hit 155 in 5th, you wouldn't go much faster in 6th. I would imagine somewhere between 160 - 165. Anything over this is dreaming. This is real speed, not what the speedo says because at these speeds the speedo will over read by between 5 - 10 mph.

Also 189 for a 335 is also dreaming. IMO 300 BHP will give a top speed around 170mph. 6th is still an overdrive.
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      01-01-2010, 05:37 AM   #7
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Quote:
Originally Posted by Bungle009 View Post
6th gear is an overdrive, so just because you can hit 155 in 5th, you wouldn't go much faster in 6th. I would imagine somewhere between 160 - 165. Anything over this is dreaming. This is real speed, not what the speedo says because at these speeds the speedo will over read by between 5 - 10 mph.

Also 189 for a 335 is also dreaming. IMO 300 BHP will give a top speed around 170mph. 6th is still an overdrive.
Oh yeah, thats very true. You need major HP to pull high speed.


Our cars pull off the clock tho (330,335)
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      01-01-2010, 05:49 AM   #8
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Wasn't the schnitzer 335d capable of 179mph? So surely a remapped 335i would crack 180-185mph?
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      01-01-2010, 05:51 AM   #9
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Quote:
Originally Posted by Martin 335d View Post
Wasn't the schnitzer 335d capable of 179mph? So surely a remapped 335i would crack 180-185mph?
Oh yeah deffo. To pull 190 though you would need major HP.
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      01-01-2010, 07:01 AM   #10
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Speed & Power do not have a linear relationship. The problem is wind resistance which gets increasingly resistant the higher the speed.

Think about it.

A 100 hp car does around 110 mph.
A 200 hp car does around 145 mph (+35 mph)
A 300 hp car does around 165 mph (+20 mph)
A 400 Hp car does around 180 mph (+15 mph)
A 500 hp car does around 190 mph (+10 mph)

Ultimately a 1000 hp Veyron will "only" top out at 240 mph.

These are all indicative numbers so please dont argue about whether a 300hp car can do 160 or 170 mph. Im trying to get the principle established.

To pull (a genuine) 190 mph your going to need something well over 400 hp in a car weighing 1.5 tonnes..
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      01-01-2010, 07:15 AM   #11
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I have read that a 335i has managed 189mph, but this was with a tune and obviously top speed delimit (which are available from Vishnu, Active Autowerkes and BMS soon).

I think the car would have to be running at 430+bhp to achieve those numbers - which is achievable with downpipes, CAI, FMIC and a tune.
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      01-01-2010, 07:16 AM   #12
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Quote:
Originally Posted by Bungle009 View Post
Speed & Power do not have a linear relationship. The problem is wind resistance which gets increasingly resistant the higher the speed.

Think about it.

A 100 hp car does around 110 mph.
A 200 hp car does around 145 mph (+35 mph)
A 300 hp car does around 165 mph (+20 mph)
A 400 Hp car does around 180 mph (+15 mph)
A 500 hp car does around 190 mph (+10 mph)

Ultimately a 1000 hp Veyron will "only" top out at 240 mph.

These are all indicative numbers so please dont argue about whether a 300hp car can do 160 or 170 mph. Im trying to get the principle established.

To pull (a genuine) 190 mph your going to need something well over 400 hp in a car weighing 1.5 tonnes..


Which is why you need massive HP to pull high speed.

a Saff Cossie needed 750-800HP to pull 200mph.

M5 can do it with a mere 500HP.
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      01-01-2010, 07:25 AM   #13
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Ive seen 185 via gps the clocks were reading about 5mph more and it was still wanting to do more ,trust me though you need a long unrestricted road as its bloody scary the amount of road that you cover .
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      01-01-2010, 07:57 AM   #14
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Quote:
Originally Posted by dxb335d View Post
Which is why you need massive HP to pull high speed.

a Saff Cossie needed 750-800HP to pull 200mph.
M5 can do it with a mere 500HP.
The cossie is only a 2 litre 4 pot, hardly a comparrison with an M5, i loved mine
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      01-01-2010, 07:58 AM   #15
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Quote:
Originally Posted by Bungle009 View Post
Speed & Power do not have a linear relationship. The problem is wind resistance which gets increasingly resistant the higher the speed.

Think about it.

A 100 hp car does around 110 mph.
A 200 hp car does around 145 mph (+35 mph)
A 300 hp car does around 165 mph (+20 mph)
A 400 Hp car does around 180 mph (+15 mph)
A 500 hp car does around 190 mph (+10 mph)

Ultimately a 1000 hp Veyron will "only" top out at 240 mph.

These are all indicative numbers so please dont argue about whether a 300hp car can do 160 or 170 mph. Im trying to get the principle established.

To pull (a genuine) 190 mph your going to need something well over 400 hp in a car weighing 1.5 tonnes..
All true imo.

My 997 Turbo weighed around 1,585 kilos with a power to weight ratio of 0.3 bhp/kg, 133 bhp/liter. The acclaimed top speed figure given by Porsche is 193 mph. Only ever got it to 187 mph on the autobahn.........bloody traffic.
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      01-01-2010, 08:11 AM   #16
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Quote:
Originally Posted by MIKEYBMW1 View Post
Ive seen 185 via gps the clocks were reading about 5mph more and it was still wanting to do more ,trust me though you need a long unrestricted road as its bloody scary the amount of road that you cover .
Which motorway did you use then Mikey boy??

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      01-01-2010, 08:21 AM   #17
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Quote:
Originally Posted by Bungle009 View Post
6th gear is an overdrive, so just because you can hit 155 in 5th, you wouldn't go much faster in 6th. I would imagine somewhere between 160 - 165. Anything over this is dreaming. This is real speed, not what the speedo says because at these speeds the speedo will over read by between 5 - 10 mph.

Also 189 for a 335 is also dreaming. IMO 300 BHP will give a top speed around 170mph. 6th is still an overdrive.
True, but it got to 155 with ease (no sign of struggling to gain speed) and it still felt hungry for more.
But yeh, id imagine your right, you need alot of power to get to higher speeds. I will time it next time...

I timed my TTS from 55-155, it took about 42 seconds +/- 2secs as it was raining (time based looking at the video i took)
so i wonder what other e9x times are?
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      01-01-2010, 08:29 AM   #18
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Quote:
Originally Posted by DevizesWolves View Post
The cossie is only a 2 litre 4 pot, hardly a comparrison with an M5, i loved mine
A 500HP cosworth would TROUNCE an M5 all the way to 170!

That 750HP one was a monster.


Helen, why dont you quote it in HP/Ton. approx 300HP per ton.
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      01-01-2010, 08:35 AM   #19
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Quote:
Originally Posted by dxb335d View Post
Helen, why dont you quote it in HP/Ton. approx 300HP per ton.
I went metric.

You quoting metric tonne or imperial ton.

Either way it is fooking fast.
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      01-01-2010, 08:55 AM   #20
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Metric ton, Sha mizzlay!
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      01-01-2010, 11:10 AM   #21
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Quote:
Originally Posted by Bungle009 View Post
Speed & Power do not have a linear relationship. The problem is wind resistance which gets increasingly resistant the higher the speed.

Think about it.

A 100 hp car does around 110 mph.
A 200 hp car does around 145 mph (+35 mph)
A 300 hp car does around 165 mph (+20 mph)
A 400 Hp car does around 180 mph (+15 mph)
A 500 hp car does around 190 mph (+10 mph)

Ultimately a 1000 hp Veyron will "only" top out at 240 mph.

These are all indicative numbers so please dont argue about whether a 300hp car can do 160 or 170 mph. Im trying to get the principle established.

To pull (a genuine) 190 mph your going to need something well over 400 hp in a car weighing 1.5 tonnes..
Air resistance = speed squared.

It's not all about horsepower though. Gearing, redline and tyre profile can limit the top speed of a car, regardless of it's power.

I'm really intrigued to know the answer to the original question. I would guess that the 330i could manage 170mph. Interesting to know if this has happened.

The 330i is theoretically capable of 190mph and the 335i 194mph
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      01-01-2010, 11:13 AM   #22
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Quote:
Originally Posted by NFS View Post
Air resistance = speed squared.

So

at 100 mph it's 10,000

at 200 mph it's 40,000

So doubling the speed leads to 4 times the air resistance.

It's not all about horsepower though. Gearing is every bit as important as is the drag co-efficient of the car.

I'm really intrigued to know the answer to the original question. I would guess that the 330i could manage 170mph. Interesting to know if this has happened.
Actually power plays a big part, gearing is just obvious. Without correct gearing the top speed cant be ahcieved.

You still need big HP to pull the high speed to overcome air resistance.
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