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AZBMW Forums › General Forums › Track (HPDE, Autocross, 1/4 Mile and Drifting) › Giantkeeper 02 E46 M3 HPDE "mild build" thread
Giantkeeper 02 E46 M3 HPDE "mild build" thread
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giantkeeper
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PostPosted: Fri Dec 26, 2014 3:59 pm
Post subject: Giantkeeper 02 E46 M3 HPDE "mild build" thread

2002 E46 M3

In May 2014 I purchased this >115k Steel Gray E46 M3 from Connecticut. The car was a well-documented Florida car that moved to the Northeast over the last four years of its life. The majority of that time it was kept in a heated garage.

Stock Form

[img]http://photos.giantkeeperreptiles.com/i.ashx?gallery=4455314&mid=93782924&mt=Photo&standardsize=640x480[/img]

Car was all stock with the exception of the OEM ZCP Wheels, Powerflex RTABS, TMS Adjustable Rear Control Arms, UUC Transmission Mounts and EAS True CF Interior Trim.

Other Notables:
• Cams replaced @ 60K due to loose shim damage
• Rod Bearing Recall performed at 85,000 (and also includes the most current oil pump revision)

On to the modifications!

Engine:

Vanos Rebuild, Euro Headers w/ 200 Cell Cats, and ESS Software

Vanos

This car came in and immediately started throwing error codes anytime the vehicle hit 4k rpm. This gave me the perfect excuse to look in to and address the known S54 Vanos issues. This particular car did not have any of the known vanos failures. The hub bolts were perfect, the exhaust tabs were perfect and the chain guide was in one piece.

I still replaced the following:
• Vanos Solenoid Coil Pack
• Vanos Sealing Plate Kit
• Vanos Seals Kit
• Vanos Rattle Repair Kit

I did not address replacing the exhaust hub. There are a few options out there (turbotoy, OEM), all of which are very expensive. I opted to reuse my hub and oil pump disk.

[img]http://photos.giantkeeperreptiles.com/i.ashx?gallery=4455314&mid=93782928&mt=Photo&standardsize=640x480[/img]

Timing was off!

[img]http://photos.giantkeeperreptiles.com/i.ashx?gallery=4455314&mid=93782929&mt=Photo&standardsize=640x480[/img]

After an extensive clean and rebuild of the system, paired with timing the S54 the vanos was now complete. As of today I have roughly 8,000 miles of code free driving.

I also addressed the known weak vanos oil accumulator line. The original design allowed for a single mounting tab on the line. Improper adjustment and/or vibrations are known to create weak spots thus causing the line to fail, most commonly at the track. This leads to oil pressure loss, an engine bay full of hot oil and often fire.

I used the Bimmerworld stainless steel braided line. This line has two mounting points and no transition from metal hardline to rubber hose. In theory reducing the vibration and know failure points.

Things to know about Vanos lines....
BMW has an updated OEM line with two mounting tabs.
All models of the SS vanos line are recommended to be replaced annually.

Euro Headers and CPI 200 Cell Section 1

This was a no brainer to me. After previously owning an E46 M3, I knew this was must have. The CPI section 1 is awesome, as I now have brand new cats and the section 1 also implements a crossover section, that neither the US or Euro versions have.

Tuning

I went with ESS here (again). While not known to extract a gazillion horsepower, I trust AJ to optimize my driving experience without compromising safety and reliability. There are similarly spec’d E46 M3’s utilizing other tuners that are extracting 318 whp. I can’t help but think that those are tuned to the very edge of what’s acceptable for all but the best maintained E46’s.

Drivetrain, Suspension, Brakes and Wheels:

Motul fluids (Transmission and differential,) UUC Transmission Mounts, CDV Delete and UUC Stainless Clutch Line

AKG 95a Motor Mounts

Ground Control Race 525/650 with GC Race Camber Plates and GC RSM’s, TC Kline Race Delrin Front Control Arm Bushings, Powerflex Rear Trailing Arm Bushings, Turner Motorsports Rear Camber Arms

[img]http://photos.giantkeeperreptiles.com/i.ashx?gallery=4455314&mid=93782926&mt=Photo&standardsize=640x480[/img]

[img]http://photos.giantkeeperreptiles.com/i.ashx?gallery=4455314&mid=93782925&mt=Photo&standardsize=640x480[/img]

Motul RBF 600, Hawk DTC-70, Brass Caliper guides and UUC Stainless Brake Lines

[img]http://photos.giantkeeperreptiles.com/i.ashx?gallery=4455314&mid=93782927&mt=Photo&standardsize=640x480[/img]

Apex ARC 8 17x9.5 ET 35 Square, 12MM Apex Spacers (rear), 255r40/17 Nitto NT05 Square

Safety:
Schroth Quick Fit Pro w/ Hans

The goal of this build was to have a vehicle I can use for DD’ing and HPDE events. Truth be told, it’s rather aggressive with the GC Coilover Suspension and the AKG Motor Mounts. For now, this setup will remain as is. Any adjustments will be made after several track events.

My first track goal is to hunt down my weak 1:08:xx Wild Horse Pass East PB time from when I had the Z06.

On the TO DO list
• Subframe Reinforcement
• Solid Subframe Bushings
• Poly Diff bushings
• Spherical Rtabs
• Driver Modification!!!

Prepped for action Jan 10-11th NASA HPDE 3 @ WHPMS East

[img]http://photos.giantkeeperreptiles.com/i.ashx?gallery=4449539&mid=93929624&mt=Photo&standardsize=640x480[/img]

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2002 SG E46 M3


Last edited by giantkeeper on Tue Jan 06, 2015 12:20 pm; edited 8 times in total
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giantkeeper
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PostPosted: Fri Dec 26, 2014 4:27 pm
Post subject: Re: Giantkeeper 02 E46 M3 HPDE "mild build" thread

Here is my personal best from 2014 @ WHP East Supercharged C5 Z06

I believe I left a lot on the table here. I'm looking to improve on this time during the January 10-11th season opener at WHP East.

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2002 SG E46 M3


Last edited by giantkeeper on Sat Dec 27, 2014 2:15 pm; edited 1 time in total
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xAZxE30x
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PostPosted: Fri Dec 26, 2014 4:29 pm
Post subject: Re: Giantkeeper 02 E46 M3 HPDE "mild build" thread

This rocks!! I also really like the new subforum, good call there

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wkohler
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PostPosted: Sat Dec 27, 2014 5:47 am
Post subject: Re: Giantkeeper 02 E46 M3 HPDE "mild build" thread

Great info. Those cars just look right on 17" wheels to me.

I like a lot of tire.

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giantkeeper
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PostPosted: Sat Dec 27, 2014 1:19 pm
Post subject: Re: Giantkeeper 02 E46 M3 HPDE "mild build" thread

xAZxE30x wrote:
This rocks!! I also really like the new subforum, good call there

Thanks! I'll offer up some new ideas here in a bit. It's time we open up this board...

wkohler wrote:
Great info. Those cars just look right on 17" wheels to me.

I like a lot of tire.

Thanks Chris! I love the 17's, but tire options suck. Ideally, I would be running a 275/40. So far the choices are very slim.

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giantkeeper
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PostPosted: Tue Jan 06, 2015 12:18 pm
Post subject: Re: Giantkeeper 02 E46 M3 HPDE "mild build" thread

Spent some time getting the M dialed in for this weekends NASA track event.

*Removed wheels (cleaned barrels and removed center caps) 2 of 3 stud nut torque checks performed.
*Installed Hawk DTC70
*Installed Centric blank rotors F/R
*Installed brass caliper guides F/R
*Adjusted the front suspension for -3+ camber
*Installed tow hooks
*Washed car (*sorta wasted, but I often get some great photos from these events)
*Installed track vinyl
*Installed GoPro

To Do (before event)

*Clear adaptations
*Bed brake pads (probably do on the way in Saturday morning)

[img]http://photos.giantkeeperreptiles.com/i.ashx?gallery=4449539&mid=93929624&mt=Photo&standardsize=640x480[/img]

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nasrudin
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PostPosted: Tue Jan 06, 2015 7:01 pm
Post subject: Re: Giantkeeper 02 E46 M3 HPDE "mild build" thread

very nice

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tttoon
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PostPosted: Tue Jan 06, 2015 7:05 pm
Post subject: Re: Giantkeeper 02 E46 M3 HPDE "mild build" thread

I know a guy in Belgium that DD's R888s. You'll be fine with those. They're not absolutely horrible in rain, just moderately horrible.

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giantkeeper
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PostPosted: Mon Jan 12, 2015 7:21 pm
Post subject: Re: Giantkeeper 02 E46 M3 HPDE "mild build" thread

A few shots from the weekend.

A quality alignment from Zimdoc @ Evolution Motorsports

[img]http://photos.giantkeeperreptiles.com/i.ashx?gallery=4449539&mid=94028219&mt=Photo&standardsize=640x480[/img]

and an action shot!

[img]http://photos.giantkeeperreptiles.com/i.ashx?gallery=4449539&mid=94028218&mt=Photo&standardsize=640x480[/img]

The quickest I could muster this weekend was a 1:12.37

I won't be making much, if any changes chasing quicker times, right now. I'll continue to familiarize myself with the car and it's quirks. We'll see how the next few events go.

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nasrudin
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PostPosted: Tue Jan 13, 2015 5:33 am
Post subject: Re: Giantkeeper 02 E46 M3 HPDE "mild build" thread

Now that you have driven both on track, I wanna know what you think about the differences between the vette and this car.

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giantkeeper
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PostPosted: Tue Jan 13, 2015 11:43 am
Post subject: Re: Giantkeeper 02 E46 M3 HPDE "mild build" thread

The Z06 was very capable on the track. I think any time difference I note is related directly to the supercharger and ultra wide tires I was running.

I enjoy driving the e46 more. The rev range and nimbleness of the car stand out.

End of the day, my e30 was a better and more rewarding driving experience than both the vette and E46 M on track.

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giantkeeper
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PostPosted: Sat Feb 07, 2015 1:12 pm
Post subject: Re: Giantkeeper 02 E46 M3 HPDE "mild build" thread

Preparing for the warmer weather. Cooling system refresh at 125k miles.

[img]http://photos.giantkeeperreptiles.com/i.ashx?gallery=4449539&mid=94425009&mt=Photo&standardsize=640x480[/img]

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bastarde38
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PostPosted: Sat Feb 07, 2015 3:47 pm
Post subject: Re: Giantkeeper 02 E46 M3 HPDE "mild build" thread

very good idea. i like to see when people take preventative measures instead of waiting for things to break. good for you

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wkohler
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PostPosted: Sun Feb 08, 2015 12:56 am
Post subject: Re: Giantkeeper 02 E46 M3 HPDE "mild build" thread

I don't see any Ãœro parts in there.

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giantkeeper
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PostPosted: Sun Feb 08, 2015 8:59 pm
Post subject: Re: Giantkeeper 02 E46 M3 HPDE "mild build" thread

Knocked out the cooling system refresh this morning.

[img]http://photos.giantkeeperreptiles.com/i.ashx?gallery=4449539&mid=94444577&mt=Photo&standardsize=640x480[/img]

Also installed a pair of OEM strut reinforcement plates and an OEM strut bar. 2001 and early 2002 M3's did not come with bars from the factory (mine is a 10/2001).

With my suspension being somewhat aggressive I need to do something to prevent the towers from tearing or mushrooming.


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Last edited by giantkeeper on Tue Apr 28, 2015 7:34 pm; edited 2 times in total
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