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Old 12-28-2010, 04:10 AM   #1
Gtfour
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VAG Motorsport E46 M3 Track car build

Hi,
My name is Marc. Im 29. I have a FSAQ instructor license and will get my racing license soon. Just needed to do the paper and medical exam.
I will continue to do lapping days and Time Attack series in 2011 and would like to participate to the Fall Classic at LCMT in September 2011 and slowly switch to circuit races in 2012.


French is my first language; im doing my best to make this thread understandable.


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It all started in February 2007 when I bought this car, an E46 M3 2002 - steel gray with imola red interior, 6-speed, 80000km. I was looking for a good looking/comfortable/luxurious/sporty daily driver car that I wouldnt feel the need to modify/throw money in... I also bought my loft at the same time so I would not be able to put as much money in car as before. And I was doing downhill mountain bike at that time...






My previous ride was a 2001 Subaru Impreza 2.5rs with a complete STi V9 spec C swap (engine, tranny, Brembo, seats),Volk CE28N, 22B replica fenders , S203 titanium exhaust, ... It was a nice car but one day I kind of realise that for almost the same price I could sell the impreza and the bunch of aftermarket parts I had, I could get an E46 M3 instead of a modified econobox. I was building the Impreza to eventually turn it into a Time Attack/race car. But I was not impressed/satisfied of the handling of that car, one of the reasons why I switch to BMW after.




So I was sure I was going to keep the M3 stock. I was driving the M3 for 3-4 months until a friend of mine asks me to come with him at a local track event during the summer. I did not want to put the car on the track but he told me to do just a couple of laps. At the end of the day, I went on the track and did only 5 laps, ERROR!!!! I instantly got addicted to the car. I was impressed, that car stock was way faster than my modified Impreza, it was so easy to drive, and handling was pretty neutral, smooth. Accelerations out of the curves were linear, no on/off switch pedal feeling like the impreza. So I came back the week after and finally got into a local lapping club the next year.



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Old 12-28-2010, 04:32 AM   #2
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I went thru different brakes, wheels, suspension setup over the years. I have tried Eibach sport springs with oem struts, than Bilstein PSS9 coilovers with Turner Motorsport swaybars. Staggered and square wheels setup. 4 oem rear wheels for the track and OZ Supperleggera III for the street. Than Enkei Nt03+m. Falken Azenis, Advan A048, Toyo RA1, Michelin Pilot Sport Cup, Pirelli Corsa. Hawk HP+ pads, CSL carriers, solid brass guide bushings, brake ducts, PF01, SS Lines, Motul fluid.










I was doing more and more events. I always wanted to go faster. I was getting a bit better each time; you always learn something different at the track, condition change, you get better lines, carry more momentum, and get smoother with the car, ...



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Old 12-28-2010, 04:37 AM   #3
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I always wanted to ameliorate performance of the car too. But it cost a lot of money! So I start to remove extra weight like rear seats, trunk mat and board, switch to a CSL/Mini battery, change the muffler. Then I installed 2 Recaro Pole Position with customs floor mounts brackets.






But it wasnt enough so removed the airbags and audio systems. NOTE: At that point, you know you have a problem and you are a tad crazy when that car is your only all year long daily driver and you go to work every day with an Ipod only to shave a couple of pounds on a car...



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Old 12-28-2010, 04:38 AM   #4
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But after a certain time, I realised it was a bit hardcore to drive the M3 like this every day. So finally, in November 2009, I decided to do a dedicated track car with the M3 and got a tow truck as a daily driver.










I also got a sponsorship with VAG Motorsport in Laval (they are doing general maintenance and tuning on German cars Mostly Volks-Audi-Porsche-BMW).
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Old 12-28-2010, 04:39 AM   #5
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So here is my actual setup on my BMW E46 M3 2002. I'm preparing the car for lapping & Time Attack purpose for 2011 and eventually circuit races.

Starting with the modifications list:

Exterior
-Vorsteiner VRS vented race carbon fiber hood
-Sunroof glass replaced with Chad Nelson carbon fiber insert
-Gutted trunk
-APR GTC-300 carbon fiber wing with custom mount bracket
-SPA GT/LeMans mirrors
-Carbon fiber rear diffuser
-Rear bumper vent
-Bimmerworld front dive planes/canards
-Matte black kidney grill & side grill
-Smoked turn signal lights
-Smoked side marker lights
-Custom BMW emblem
-AeroCatch racing hood fasteners
-Lexan rear windows
-Alumalite front splitter / undertray panel


Interior

-Recaro Pole Position black velour seat / aluminium side mounts / custom floor mounts
-OMP Corsica Superleggero 350mm suede steering wheel
- MOMO steering wheel hub adapter
-OMP 1010 pedals
-OMP Formula 6point harness
-Jaffster shiftknob (long)
-Carbon fiber trims
-Wink multi-panel mirror (5)
-Kirk 4point roll-bar
-BMW radio blank plate
-Braille battery (11lbs)


Handling
-TcKline Smart Design D/A coilovers (Koni 2-way struts)
-Hyperco springs (600 front/700rear)-Ground Control racing swaybars
-Ground Control adjustable swaybar end links
-Ground Control rear shock mounts
-Ground Control camber/caster plates
-Ground Control front control arms bushings
-Turner Motorsport rear trailing arms limiter kit
-Turner Motorsport adjustable rear camber arms
-Turner Motorsport front subframe reinforcement kit
-Turner Motorsport front strut tower reinforcement plates
-Turner Motorsport rear subframe reinforcement kit
-Turner Motorsport rear strut tower reinforcement kit
-BMW oem front strut brace
-BWsport 12mm spacers
-Turner Motorsport 75mm studs kit


Braking
-Stoptech ST-40 4pistons big brakes kit
-AeroRotors slotted 355mmx32mm floating discs
-Pagid RS29 race pads / Performance Friction PF01 race pads
-Stoptech stainless steel brakes lines
-Turner Motorsport carbon fiber brake backing plates
-Bimmerworld carbon fiber brake ducts
-3 brake duct hoses


Engine
-Shark injector race version performance software
-Turner Motorsport / Fluidyne oil cooler kit
-BMW Motorsport thermostat 55degrees
-Supersprint race muffler
-Supersprint section 2 X-pipe without resonator
-Rogue Engineering anti-rasp pipe section 1
-Catless stainless steel headers
-Evosport underdrive pulleys
-K&N typhoon cold air intake system
-Group N motor mounts
-Bimmerworld brass radiator bleeder screw
-Bimmerworld S54 EGR delete block-off plates
-Bimmerworld S54 Magnetic oil drain plug
-Bimmerworld Oil cooler diverter valve
-Spal 16 pusher type fan, straight blades
-Bimmerworld water pump shaft nut
-Custom stainless steel clutch stop
-Castrol 10w60


Wheels & Tires
-RAC Monolites RS110 18X9.5 et35
-SSR Type C 18x9.5 et35
-Enkei NT03+m 18"x8.5" et38 18"10" et25
-Pirelli P-ZERO Corsa 265/35r18
-Michelin Pilot Sport Cup 265/35r18
-Hoosier R6 275/35R18

Transmission/drivetrain
-UUC Short Shift Kit - Evo 3 with dual shear selector rod
-BMW Motorsport 4.10 pinion/ring differential
-BMW Motorsport transmission mounts
-Redline D4 ATF
-Clutch Master stage 3 FX300 with JB aluminium lightweight flywheel
-Powerflex differential mounts
-Redline 75w140
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Old 12-28-2010, 04:41 AM   #6
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So here is the evolution of the project from january 2010:


01/18/2010
Looks like a thief recovery car!





02/01/2010

-I clean a bit the engine bay and removed things like the EGR air-pump, plastic trims, ducts,...


I installed a Vorsteiner carbon fiber hood





Also put a CSL carbon fiber trunk


Install Bimmerworld carbon fiber brake ducts and some CSL front splitters replica


I removed the sunroof and installed the carbon fiber sunroof from Ebay, fitment is not perfect but will live with that


Install a Kirk 4 point roll bar
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Old 12-28-2010, 04:43 AM   #7
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Here is the Jaffster delrin shift knob

Also removed the sound deadning



02/15/2010
Playing with the wiring harness...



02/22/2010

I did some custom aluminium dash block off plate cause i removed the heater control, radio, ...



- Braille Battery 11Lbs VS Mini/CSL 36Lbs



-New Clutch Master FQ300 with lightweight flywheel




-OMP Corsica Superleggero 350mm suede


-Installing the CF sunroof delete skin
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Old 12-28-2010, 04:44 AM   #8
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Here is my APR GTC-300, need to do some custom brackets to fit to the car and not to the trunk.





02/24/2010

Dash is back into the car



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Old 12-28-2010, 04:46 AM   #9
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03/23/2010

Installed the Spal 16" pusher fan with customs brackets


Changed heim joints on the swaybars links and now need to put new 3" brake duct hose


Stoptech BBK 355mm all around will make a nice difference from oem setup, can't wait to try that mods.


Installing the new clutch and flywheel



Switch from Turner swaybars to Ground Control


Change the alternator also


And the kind of parts people put on my car when i'm not there...
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Old 12-28-2010, 04:47 AM   #10
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04/01/2010



-Install UUC EVO 3 short shifter kit with double shear rod




-K&N typhooncold air intake



-Evosport underdrive pulleys



-Wink 4 panels mirrors


-Aerocatch hoods pins



-CF skin installed, what a pain in the ass



-Some CF fabrics on the aluminium plates


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Old 12-28-2010, 04:48 AM   #11
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04/10/2010

Tranny is back in place

I changed my motor mount, the one on the passanger side was 1/2" shorter...

Playing with the clutch slave


Here is my custom Alumalite 6mm splitter, still under construction and not fix to the car on pictures.






SSR Type C 18''X9.5'' et35 in flat black.




Here is the street car on RAC Monolites RS110 18''X9.5'' et35 with Pirelli Corsa 265/35r18

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Old 12-28-2010, 04:50 AM   #12
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Here are new pictures of the car, not finish yet!



Paint the inside of the car



New floor cause it is kind of lower when you removed the carpet, i need to make a custom dead pedal now.


SPA GT/LeMans with flat lenses




Lexan windows and bracket for the rear wing.


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Old 12-28-2010, 04:52 AM   #13
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Also rebuilt my Stoptech ST40 calipers and put new rotors/pads in front



Dead pedal & floor with my custom clutch stop


Removed the carbon filter and the rack+sandwich plate


Used the oem bracket and modified it the hold the Braille battery in place



No more headlights


Pics of the front splitter installed


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Old 12-28-2010, 04:53 AM   #14
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i dropped the rear subframe, changed the rear subframe bushings and RTAB with Powerflex bushings (RTAB are squeeze between Turner limiter), changed the heim joints on camber arms.

Also, paint the subframe cause car has 170000km and saw 2 winters.

Was supposed to replaced the diff bushings with solid one but a guy here ordered OEM BMW 323i diff bushings instead, go figure:facepalm:

So i will drop the rear subframe another time in a near future and will change upper-lower control arms inner-outer bushings with bearings at the same time.






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Old 12-28-2010, 04:54 AM   #15
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More pics of the car, mono-wiper is just for fun









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