Z4 3.0Si Roadster Performance Query

nasser*

Member
Turbo6 said:
nasser said:
@turbo6 do you have any vids of your previous Z3 doing these amazing things?

Can't believe people have to stoop to trial and evidence lengths for sharing info.

These videos were taken with a crappy phone, a Honda trying desperately to keep up, so excuse the quality and crappy zoom.

The GTV in question is a 2002 model with cams, decat and software and is one of the stronger ones in Cape Town, known for running M3s and C55s ontop. I opened up 4 to 5 cars until 240 when he passed me on the top, Z3 has a crappy topend.

https://www.facebook.com/photo.php?v=10150352825994550&l=1618068263305478849

https://www.facebook.com/photo.php?v=10150352831829550&l=5148839760844152251


Lysis@Axis said:
Turbo6 said:
nasser said:
@turbo6 do you have any vids of your previous Z3 doing these amazing things?

I have one taking out an Alfa GTV with cams and xzors on a 1,5km run, let me find it and no, unfortunately I dont drive around looking for fast cars with a camera. You guys are making a mountain of a molehill. Pity I cant access my own post!

Whats so hard to believe that I could improve the sprinting capabilities of an already quick car? Many road testers have taken bone stock Z3's to the traps in 14 flats and high 13s. The quickest time for a stock Z3 3.0i is 13.6!

An Audi R8 4.2 manages a 13 flat on any regular day. A Porsche Carrera the same. A 4 pipe M3 runs mid 13s. So whats the big deal about the post? I know what the car could do and thought I'd share some of my experience for the benefit of the Forum. Anyways, its all good. Will find some vids I have of the car and post once I get access to that section of the forum.

I don't really have a dog in this fight, but I would like to point something out to you. According to power to weight figures a 3.0 Z3 is not going to stick with a 2006 4.2 R8 for any amount of gears past second.

Consider that the 2006 4.2 R8 produces 414bhp with a curb weight of 1560kg. This gives it a power to weight ratio of 266bhp/tonne; source. The 3.0 Z3 on the other hand has a power to weight ratio of 171bhp/tonne, taken from your own link. Let's be generous and say you managed to improve your car's output by 50bhp, your new ratio is 206bhp/tonne.

Also, from my link, a 4.2 R8 traps 118mph in the 1/4 mile with a time of 12.5 seconds. That is a monumental difference.

I did this race 3 times. 2 rollons from 30kph the R8 has me stone cold. From a standstill, I had him all the way to 210kph. And the whole of Cape Town will bear witness to this feat as it took place at a prominent spot. Could it have been a fluke or a bad driver. Sure



i can't really see anything in those vids, but welldone.....
im sorry but i find it very hard to believe that a Z3(not even Mcoupe) ran a R8, call me a skeptic or whatever but i'm sorry
 

sherwinZ

Member
:rollsmile: Turbo6 has been on the racing scene a loooonnng time.
Can't vouch for the claims, but he's no noob as one would typically think when reading such posts.

Maybe one of the CT members can back the claims., hopefully someone who witnessed the runs in person. :thumbs:
 

Turbo6

New member
Its cool Nasser, the race took place infront of Athlone stadium with 100s of spectators in watch. The distance was about 800m. I only just edged the R8 by a fender at the line at an indicated 220! From the line I take a car and half out of the R8 to the top of 2nd gear and then 3rd and 4th gear the R8 comes back at me.

The Porsche Carrera was an 04/05 model I think and this race was on the N7 with a few friends. One of the Chiptuners here arranged this race as he brough a 260kW Golf 5 out to play too. On a standing start I would kill the Golf and take a car length out of the Porker until 3rd gear where the Carrera would pull up to my door. 4th gear he'd creep up to level out with me and as soon as I hook 5th gear, the Porsche walks away. I manage 210 in my 4th. As for the Golf 5. That car passed me at around 230 and closed on the Carrera but could not pass.

Did this run twice and best result I got was a bumper ahead on 1km with the Carrera.

There is no way the Z3 could go topend with any of these cars, the only car I ran close ontop was a 4 pipe M3 who regularly races with CSL induction, exhaust and a carbon vented bonnet. I ran with this M3 deep into my 5th gear and again, around 240 he leaves me, nothing I can do to keep up!

So is it that hard to believe that an already light car, my license disc says 1230kg, with some mods can sprint with these cars and edge some of them.
I gained around 12 to 13kW with the zors and filter over stock. I also removed dead weight like the spare wheel and cradle underneath the car, the HUGE window washer bottle (ask any Z3 owner how huge this is) and the toolkit and mouldings in the boot. You know when you throw all of these things on a scale, collectively they weigh around R80kgs!!!!


nasser said:
i'm from cape town... i havn't heard of Z3 running a R8

Speak to Hassan from Gatesville with the black R8 and ask him what the blue GP registered Z3 did with on Klipfontein Road. If he is an honorable guy he will own up.

Also ask Ahmed B with the white E46 M3 with GTR bonnet and CSL mods what the blue Z3 did with him infront of Vangate mall. Both ways.

If you are the Nasser who I think you are, you know these guys right?:thumbs:
 

RAArmstrong

///Member
Maybe instead of getting a 530d I should just get a Z3 3.0... Then I'll have the fastest car in the woooorld! :rollsmile::fencelook:
 

Turbo6

New member
RAArmstrong said:
Maybe instead of getting a 530d I should just get a Z3 3.0... Then I'll have the fastest car in the woooorld! :rollsmile::fencelook:

I see there are many 5 year old kids on this forum hey? Like I said previously. You guys are taking the whole post out of context and turning this into a personal attack rather than looking at things objectively.

I haven't got time for this any longer, enjoy!:nonono:
 

RAArmstrong

///Member
Turbo6 said:
RAArmstrong said:
Maybe instead of getting a 530d I should just get a Z3 3.0... Then I'll have the fastest car in the woooorld! :rollsmile::fencelook:

I see there are many 5 year old kids on this forum hey? Like I said previously. You guys are taking the whole post out of context and turning this into a personal attack rather than looking at things objectively.

I haven't got time for this any longer, enjoy!:nonono:

Last time I checked my driver's license stated I'm way more than 5 years old... :thumbs:

I also used alot of common sense and even with mods I dont think there is any way a Z3 is beating the likes of an R8, Porsche, etc. Not unless either they weren't even trying/you have something real special under the bonnet like a 2JZ twin turbo :fencelook:

Now I've said my piece and given my opinion to which I am entitled, have a good day sir :thumbs:
 

moranor@axis

///Member
Official Advertiser
Im not taking sides here because the story does seem somewhat implausible

but anything can happen on the street because there are so many factors at play...

If Turbo6 is a seasoned racer and can launch like a mofo he could upstage a few big boys who are let down by their drivers...
 
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