535 quarter mile times

[spddmn713]

I was wondering if anyone knew approximately what kind of quarter mile times a chipped, but otherwise stock, 535 five speed would run?

[Mobius]

According to my G-Tech Comp and an (assumed) weight of 3888lb, I managed a 15.6 @ 92mph in my Jim Conforti-chipped '93 535im.

The damn speed graph shows the near-half-second lag in my 1-2 shift, too. ****ing slow synchros.. :(

http://home.comcast.net/~rjchristie2/SA/535i/ss.jpg

Keep in mind this is all very much dependent on the weight I entered being accurate - and I am (was) only going off what the supposed curb weight is, plus the weight of me and my friend in the car. If I could get the thing on an accurate scale, I could get a better measurement.

[spddmn713]

Thanks for the great info - If there is a drag strip around you they should have calibrated scales, if not try to find a truck stop that will let you hop on there scales, they should also be calibrated on a regular basis

[Mobius]

Thanks for the great info - If there is a drag strip around you they should have calibrated scales, if not try to find a truck stop that will let you hop on there scales, they should also be calibrated on a regular basisIf there was a drag stip around I wouldn't need the G-tech. :(

I thought about the truck stop deal, but I started to wonder if they could accurately weigh something as (comparitively) light as my car. Sure they can do 38,000lb fine, but maybe 4,000lb is barely enough to compress the springs..

Who knows. One day I'll get un-lazy and give it a shot. :)

[Mitch90535im]

I was wondering if anyone knew approximately what kind of quarter mile times a chipped, but otherwise stock, 535 five speed would run?

Not as quick as this 'Cuda my dad had when I was a teenager, I gaurantee...

http://www.bimmer.info/bmw/mitch90535im/70%20::Cuda.jpg

[632 Regal]

you dont actually lose 1/2 second during the shift because the car is in motion, however you dont gain anything either. Does kinda look like a long shift though.

[niall]

that 15.6 is really good, i always thought they would
do high fifteens or low sixteens

[Mobius]

that 15.6 is really good, i always thought they would
do high fifteens or low sixteens
Yeah, well - don't take it too seriously. The G-Tech does all its calculations based on acceleration and weight, and I'm not at all sure I know the correct weight. :)

It's somewhere AROUND there, for sure.

[Mobius]

you dont actually lose 1/2 second during the shift because the car is in motion, however you dont gain anything either. Does kinda look like a long shift though.
Yeah, and it feels even longer. It's not so bad around town, but when shifting at higher RPMs, it take a while for the 2nd gear synchro to catch up. Sucks.

[Mr Project]

I tried to post this earlier....

On my one and only trip to the drag strip ever in life, I ran:

535i, 5-speed, EAT chip, bone stock otherwise, 178k

16.1 @ 89
16.0 @ 90

60' times were in the 2.6-2.7 range. Horrible. 225/60/15 Goodyears at 32 psi. Mid-high 15's sounds reasonable if you could get it out of the hole.

[Ted K]

Mobius, do you have a ssk or the stock shifter?

[Mobius]

Mobius, do you have a ssk or the stock shifter?Very much stock and very much original and sloppy as hell. It's coming up on my list of things to fix. :)

[Mobius]

535i, 5-speed, EAT chip, bone stock otherwise, 178k

16.1 @ 89
16.0 @ 90

60' times were in the 2.6-2.7 range. Horrible. 225/60/15 Goodyears at 32 psi. Mid-high 15's sounds reasonable if you could get it out of the hole.Interesting. Looks like my stupidly expensive black box might not be as far off as I thought it might be. :)

I have no problem launching - but I attribute most of that to the fact that the road my friends and I use to do G-Tech runs on (middle of _nowhere_ in the middle of the night - dead end road, about a mile long) has this crazy rough asphalt/hard sharp gravel surface. Breaking traction is nearly impossible - even standing on the brakes won't activate ABS.

So I'm probably cheating.