What have you done to your car today?

Christ, that MX5 has 100-odd bhp more than my supercharged one did, and that was quick enough! I need to see what that's like at the next meet.
 
Howard said:
Christ, that MX5 has 100-odd bhp more than my supercharged one did, and that was quick enough! I need to see what that's like at the next meet.
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Feel free to come and ask for a ride next time around, I'm more than happy to oblige any one that asks. I'm still in two minds about throwing at set of rods in and aiming fora bit closer to 300
 
Clarkey said:
Not the M3s you need to worry about, it's the 35i/35d. I won't forget the time I raced a 335d right after I had the car mapped and made 350hp and found that I couldn't really keep up with him. I bought more speed parts that night, had it mapped again made 380hp, raced a 335i this time, couldn't get ahead of that mofo either. Turbo BMWs, no joke :o
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ChrisD. said:
There is not much between an E92 M3 and my DC5 which is still NA. They really aren't that quick in a straight line out of the factory.
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E46 the same pretty much. Totally blew one away on a track day and my car was pretty stock back then. Circa 280bhp. They do come alive when they have some weight thrown out and a decent brake setup but that is to be expected because the M3/5 are not that kind of car out of the box.
 
Also the N/A M3 cars all make their torque and power at the top end of the rpm range, so unless the driver is always on the ball and shifts down twice to compensate during a play, then the otherwise lack of torque will create a sizeable gap to catch up with.

It's also only when you hit triple digits where they close any gap and begin to pull away really.

Basically on UK roads they are rather restricted in their abilities. But as you say, they are not built for out and out hustling. That's what the GTS/CSL etc are for.
 
ChrisD. said:
There is not much between an E92 M3 and my DC5 which is still NA. They really aren't that quick in a straight line out of the factory.
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Weight!

My M3 showed an E92 M3 how its done. Booting it from 70, by 90 was passing, at 100 I was in front and pulling away. This was when the car was running circa 1400kg and had the regular diff in it. Now its a further 100kg down nearly and the shorter ratio diff it is nothing but insane. My friend has a nice very clean M3, Evolve remap, we had a play and his words were "your M3 made me think my M3 was a 325i" :D

Pull the weight out of them, shorten the gears and they are damn rapid, my M3 is doing 0-100 in around 9s flat and will pull to an indicated 180mph quite easily.
One of my mates just got an E92 M3, slight crash damage to the front for £9000. New front bumper, carbon bonnet later, its up and running. Car weighed in at around 1650kg with fuel, it is now being stripped down and turned into a full track car. The aim is 1300kg and 450HP, now that will be brutally fast! But weight is the real enemy.

It is one of the reasons I enjoy my M3 so much, because a completely stock E46 M3 by todays standards is not a crazy quick car any more, 5s to 60, 12s to 100 is now what a super hatch does like the new CTR or Focus RS. So when they come across my M3, I am not the usual easy hunting, infact the car generally kicks their ass. When I did NC500, again stock differential my M3 was quicker in a straight line than the Mustang, really reeled them in at any speed.

The plan is to get the weight down to 1250kg as the car is a seriously quick bit of kit and I am amazed at the difference the differential made, more of an impact than the remap was for sure. :)
 
ChrisD. said:
I was going past them and E46 M3's at Spa, there wasn't much in it on the straights and I was faster around the bends.
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Probably driver not car!

Last time I was at Spa, my mates E43 M3 was doing 2:42 laps, what were your laptimes out of interest?
 
ChrisD. said:
3 minutes.

2.42 is very fast, I presume not standard?
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Far from it, same as mine, but even shorter diff, coilovers and I think he ran R888 on this occasion but would normally run cups or slicks. His diff was a issue on the long back straight after the famous dip as I think that is longest straight or fastest straight anyway due to corner exit speed and he was near the limiter close to 170mph as he does not like giving it full 8k RPM as he does a lot of track work in it so his theory is limit to 7-7.5k rpm better for engine.

Like Simon says, all things equal an M3 is a lot quicker than a DC5 when all stock. 12.7@114mph is vastly quicker than 14.5s@99mph which is what I think DC5 is? BIG DIFFERENCE!
 
Oh I know that, my DC5 is far from standard though, it's about 40 bhp up from stock and has a shorter final drive. M3 was quicker, I'm not saying it wasn't, but there was a lot less in it than I'd have thought there would be.
 
Whoops!

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on it's way to being sorted

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Gave in and got properly spaced plates :p

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MOT'd the Westy.

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Dozy tester pillock put it through on a cat emissions test so I'm there on my phone trying to tune it to get it to pass - which it did but I kept thinking this can't be right as the AFR crept up to 17.5:1! Still, getting a 30 yr old engine under 0.11% CO is impressive (supposed to be 3.5% for my car). Changed it back to what it should be (13.5 afr and approx 1% CO).
 
Gibbo said:
Like Simon says, all things equal an M3 is a lot quicker than a DC5 when all stock. 12.7@114mph is vastly quicker than 14.5s@99mph which is what I think DC5 is? BIG DIFFERENCE!
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Is it though. It is only a second and a half. When you take the advantage of RWD vs FWD it would be pretty close. Easily made up on track by a better driver.
 
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