Ran 11.3@127

[greentrbo95gst]

Originally Posted by Used2be

I haven't tried the drags yet with mine, and never would have thought of switching modes during the run, great idea! Thanks for the post and the vids. Have you looked into the difficulties of changing clutches yet? I wonder how the smaller diameter inner clutch will hold up over time with repeated drag runs? The launch is so critical for good ET, but I'm concerned with the durability of the differential once slicks are used. And there's probably no way to evaluate wear without a teardown of the diff...... beyond my skills.

I am keeping that thought out of my head, but it did cross my mind. For now I just want to have fun and get to 10.9

[stealth.pilot]

Originally Posted by greentrbo95gst

Maybe you just need more seat time after putting race fuel in the car. A car with forced induction makes more power on race fuel and it's harder to launch. Pump gas makes it much easier to launch since you are putting less power to the ground. What times are you getting?

Well you are certainly a more skilled driver based on your times! But I don't think that's it. I think it is an ECU programming issue.

However it would be great if you gave it a try and let me know.

[wisesoul]

Holy cow. Your car absolutely rips! Did you try LC at all?

[greentrbo95gst]

Originally Posted by stealth.pilot

Well you are certainly a more skilled driver based on your times! But I don't think that's it. I think it is an ECU programming issue.

However it would be great if you gave it a try and let me know.

Haha, no way. I always blame my twinkle toes.
I Terry ran race gas in his car and it ran a lot better according to him.
I am ordering Mickey T's tomorrow and will go back out on 109 octane next time. Probably end of this month.

[Tom C]

Originally Posted by greentrbo95gst

Haha, no way. I always blame my twinkle toes.
I Terry ran race gas in his car and it ran a lot better according to him.
I am ordering Mickey T's tomorrow and will go back out on 109 octane next time. Probably end of this month.

What size are you going with?

[Tylerstar]

Very nice, definitely gonna have try your method out. Hopefully no drivetrain error interrupted you at the drag . Ive been running 110 octane this whole week and I can definitely feel a difference. Absolutely stupid fast.

[SF_E60]

Congrats!! watching and recording your passes was a pleasure.

[greentrbo95gst]

Originally Posted by Tom C

What size are you going with?

http://www.mickeythompsontires.com/s...&type=SS&bnr=y

[greentrbo95gst]

Originally Posted by Tylerstar

Very nice, definitely gonna have try your method out. Hopefully no drivetrain error interrupted you at the drag . Ive been running 110 octane this whole week and I can definitely feel a difference. Absolutely stupid fast.

After the CEL removal tool I had no more issues with Drivetrain errors.

[turbo8765]

What was the DA? Any weight reduction? This was on stock 295 PSS tires/stock wheels?

Were you on straight 93 pump? Did you put it on the scales?

Good work. Thanks for posting.

[Tom C]

Originally Posted by greentrbo95gst

http://www.mickeythompsontires.com/s...&type=SS&bnr=y

I was thinking about picking those up myself. I only worry that the 1" greater height will cause problems with the computer sensors. I was thinking about dropping down to a 19" wheel and running their 305/35R 19s.

[greentrbo95gst]

Originally Posted by turbo8765

What was the DA? Any weight reduction? This was on stock 295 PSS tires/stock wheels?

Were you on straight 93 pump? Did you put it on the scales?

Good work. Thanks for posting.

Sorry, dont have the info on DA or the weight.
I was on 91 octane and stock tires. The tires have 10k miles on them and have been through numerous canyon races and launch practices on the street as well as 3k miles of hard driving in Europe.

My buddy ended up leaving about 50 lbs of luggage in the car so no weight shaving. My goal for this weekend was to learn the car and find the best launching technique. Next time I am going balls out and coming prepared. I also had 3 quarters of fuel tank in the car.

[greentrbo95gst]

Originally Posted by Tom C

I was thinking about picking those up myself. I only worry that the 1" greater height will cause problems with the computer sensors. I was thinking about dropping down to a 19" wheel and running their 305/35R 19s.

I thought about this as well. Do you know if anyone tried it and had that problem?

[Tom C]

http://f10.m5post.com/forums/showpos...7&postcount=16

A couple of guys running the same size 20" drag radials were having some issues.

[greentrbo95gst]

Originally Posted by turbo8765

What was the DA? Any weight reduction? This was on stock 295 PSS tires/stock wheels?

Were you on straight 93 pump? Did you put it on the scales?

Good work. Thanks for posting.

Density Altitude: 1496 feet
Relative Density: 95.7 %

[patb23]

Very nice numbers.

[nba1008]

Originally Posted by stealth.pilot

I found that race fuel reduces my times by about 2-3 tenths.

I've always set my best times on 93 Octane and find 100 and 110 Octane reduce performance.

I was told by my tuner (weistec) that if i use race fuel and let the car adapt (drive it for few miles) hp will go up by like ~40-50 crank. I will def try this next time out racing 1/4 mike.

[M5essex]

was the E63 an AWD model, or RWD? did you use launch control? can I ask if you are breaching any warranty rules by doing this?

[greentrbo95gst]

Originally Posted by M5essex

was the E63 an AWD model, or RWD? did you use launch control? can I ask if you are breaching any warranty rules by doing this?

It was RWD with drag radials. If you read my original post it describes my launch technique.
I am not sure about the warranty portion, but to be honest I don't really care. I bought the car to have fun.

[Northern X5M]

Great times!!!
You still have more in the bottom end for sure. I think that on my 11.68 run my 330 was 4.9XX, that should give you an idea of what you car still has left in it.

Like Tom said there are some issues with the 1" taller DRs. You will definitely feel the increased gearing (by seat of you pants), which isn't a bad thing since these cars have too low gearing off the line. I didn't notice any WOT shifting issues but I did have some part throttle shifting issues on the street. Couple times the car would hold a gear and would not shift and a few times it felt like the car would completely cut the throttle around 1/2 to 3/4 throttle.

Now that I have a CP car, with the reduced ride height I am not sure my 20" DRs will fit, or if they do it will be very,very tight as there was not much room before. I will probably get the MT 19s this spring too. Everybody says that the MTs are much better than the Nittos.

Maybe look for a full slick too. I think my DRs were near their limit, I was getting clean launches maybe 60% of the time. And when the car pulls 1.7 60 foot times it is awesome, you will definitely have a shit-eating grin all day.

[greentrbo95gst]

Originally Posted by Northern X5M

Great times!!!
You still have more in the bottom end for sure. I think that on my 11.68 run my 330 was 4.9XX, that should give you an idea of what you car still has left in it.

Like Tom said there are some issues with the 1" taller DRs. You will definitely feel the increased gearing (by seat of you pants), which isn't a bad thing since these cars have too low gearing off the line. I didn't notice any WOT shifting issues but I did have some part throttle shifting issues on the street. Couple times the car would hold a gear and would not shift and a few times it felt like the car would completely cut the throttle around 1/2 to 3/4 throttle.

Now that I have a CP car, with the reduced ride height I am not sure my 20" DRs will fit, or if they do it will be very,very tight as there was not much room before. I will probably get the MT 19s this spring too. Everybody says that the MTs are much better than the Nittos.

Maybe look for a full slick too. I think my DRs were near their limit, I was getting clean launches maybe 60% of the time. And when the car pulls 1.7 60 foot times it is awesome, you will definitely have a shit-eating grin all day.

What wheels would you run with 19 MT's? I believe the car would be able to get into 10's with sticky tires. The only issue will be getting heat into MT's since I cant really do a break stand.
I am also on H&R's, which I believe sit a little lower than CP.

Hey, I just visited Edmonton few weeks ago. My wife's family lives in Jasper and Edmonton. Loved all the snow and freezing temps.

[Northern X5M]

Originally Posted by greentrbo95gst

What wheels would you run with 19 MT's? I believe the car would be able to get into 10's with sticky tires. The only issue will be getting heat into MT's since I cant really do a break stand.
I am also on H&R's, which I believe sit a little lower than CP.

Hey, I just visited Edmonton few weeks ago. My wife's family lives in Jasper and Edmonton. Loved all the snow and freezing temps.

There are alot cheap 19" rims on ebay that say they will fit a F10 M5. If they don't I will bore out the hub.

Yes, then there is the issue of getting enough heat into the tire. When you buy the DRs ask the supplier if they will heat cycle them (discount tire will do this for the Nittos which they sell). That will break the tires in, alternative is find a country road and roast the tires best you can which is what I did. Still it was probably a dozen runs before I felt the DRs were really starting to hold.

With the limited brake stands at the track I found it was usually about the 3rd run where the tires started to dead hook.

LOL. Yeah Edmonton is a nice place to 'visit' in the winter. Living here in the winter is another story, but I wouldn't change a thing.