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Motorsports & Track Forum
From Auto-X to Trackday to Racing and Professional Motorsports this is the place to discuss making BMWs fast

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Old 04-16-2017, 10:18 AM   #1
Registered User
Join Date: Feb 2006
Location: Tampa, FL / Palo Alto, CA
Posts: 1,703
My Ride: ML350/325i/330ci/M3
Completed my very first track day (Laguna Seca)

Signed up for Group A. It rained off and on most of the day so I'd classify this as a wet track day.

First of all I had a total blast, pretty happy with how my car performed since I didn't know what to expect.

Here is my setup:

2004 330ci
Highline tuning full catback exhaust
19" VMR replica CSL
Bilstein PSS9
Michelin PILOT SPORT 4S tires (235/35/19 Fronts, 265/30/19 Rears), BRAND NEW
Custom alignment, tuned for Laguna Seca (my shop knew where I was going to track), they gave me a slight negative camber.

My instructor (who drove a sick viper, that car has insane torque) said my car drove real nice and had good power....I felt I was under powered coming out of turn 11 onto the start/finish where I was in third gear but couldn't get up to speed until past the bridge which didn't leave me much track to pass before Andretti hairpin. The car handled real nicely on the corners where I was taking them really aggressively since I knew that's where I would make up time on other faster cars.
My instructor let me go solo pretty fast, he only drove with me twice, once he drove my car to show me the lines, then let me drive and corrected me on some corners, after that he let me go solo the entire day.

Here are my thoughts on my next mod before my next race day.

- remove the spare to lighten the car?
- Short shift kit? (although I stayed in third for most of the track)
- Pilot Sport 2 tires? (my instructor suggested this would make a noticeable differrence)
- Buy software for the engine? Shark Injector? to increase HP?
- Under pulleys? (One mechanic told me this would give the biggest bang for the buck)
- Supercharger! haha then I wouldn't be under-powered in third gear.


Last edited by emmm_three; 04-16-2017 at 12:26 PM.
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Old 04-16-2017, 04:54 PM   #2
Registered User
Join Date: Aug 2011
Location: NH
Posts: 101
My Ride: Spec E46 (01 330Ci)
Very cool!

My recommendation would be seat time, seat time, set time. I definitely wouldn't recommend a stickier tire as this typically creates bad habits.

If anything, grab a set of 18's. 18" rubber is not only less expensive, but 18" wheels will be lighter (less unsprung weight).

Congrats again on the first day!

Sent from my Pixel using Tapatalk
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Old 04-17-2017, 12:17 AM   #3
Registered User
Join Date: Dec 2016
Location: Charlotte, NC
Posts: 26
My Ride: 2005 ZHP Coupe
Looks great! Might want to consider a 3.46 LSD to improve both grip and acceleration.
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Old 04-22-2017, 11:10 PM   #4
Registered User
Join Date: Nov 2013
Location: Washington, DC
Posts: 4
My Ride: Spec E46
Very cool car. I'd ditch the 19 wheels for track work and buy a set of Apex 17X9 ET42 wheels. Will hep with overall feel and better acceleration.
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