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Spec E46 racing class forum
Official Spec E46 racing class forum.

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Old 11-29-2013, 10:06 PM   #1
Spec E46
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Worksheet and parts list for car builds

This is a "build sheet" for the Spec E46 race car. It is divided into sections and encompasses three levels of build:

Budget - includes all the the required parts and safety equipment, and is sufficient to get you on track and racing.

Typical - how we anticipate most people will build their cars. It includes most of the allowable upgrades that improve performance and lower lap times while constraining costs where the benefit is more muted.

Premium - while not quite a "cost is no object" build, this is what you'd end up with if you wanted the best possible car without throwing money away.

You'll notice a lot of BimmerWorld links. James Clay did much of the heavy lifting on this and he included links to many of the items as a reference. NONE of them are spec'd from BimmerWorld and you are NOT required to purchase anything there. The only part that will be sourced from BimmerWorld is the spec exhaust which is currently under development. That said, BimmerWorld is one of the primary series sponsors and is intimately familiar with the cars and specs. They'll make sure that you end up with the right parts for your build.

We've done our best not to single source anything unless absolutely necessary to ensure competitive parity. The only single source parts will be the shocks, springs, and exhaust (and we may be allowing multiple spring vendors in the next release of the rules). A few things like exhaust, ECU software, and tires have not yet been fully defined but we've included them in the sheet anyway so they can be filled in at a later date.

We've also included at the bottom of the page a list of maintenance items that are common on these cars and may need to be done as part of a full build or track prep. They are not included in the build costs and the BimmerWorld links are provided for reference only.

This worksheet is a work in progress and changes may be made at any time. You are encouraged to make a copy if you wish to create your own custom build sheet. It is also for reference only - the published rules contain the definitive information on what parts are permitted. We try to keep things in sync but sometimes one gets updated before the other. If anything is unclear please ask.

If you spot any errors please let me know and I'll get them corrected asap. Hope everyone finds this useful!

https://docs.google.com/spreadsheet/...Hc&usp=sharing

Last edited by Spec E46; 11-29-2013 at 10:23 PM. Reason: Auto-save 1385785387
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Old 12-05-2013, 08:30 AM   #2
Lercs
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I noticed that in the fluids it mentions redline power steering fluid; however, all BMWs I know use ATF, not power steering fluid.

Just thought I'd mention it.
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Old 12-05-2013, 03:58 PM   #3
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Originally Posted by Lercs View Post
I noticed that in the fluids it mentions redline power steering fluid; however, all BMWs I know use ATF, not power steering fluid.

Just thought I'd mention it.
All this, and it frees up a little power and doesn't overflow as readily with higher RPM track use:

RED LINE POWER STEERING FLUID satisfies the service fill requirements of most auto manufacturers and can be used where the manufacturer calls for any automatic transmission fluid such as DexronŽ, Dexron II-DŽ, II-EŽ, or Dexron IIIŽ, Ford Type-F, Mercon, or M2C138-CJ such as required by Ford, AMC, Toyota, Nissan, Lexus, Infiniti, Jaguar, VW, Mercedes-Benz, BMW, SAAB, Subaru, Volvo, Porsche, Mitsubishi, Mazda, and many others.
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Old 12-06-2013, 06:45 AM   #4
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hmm, learn something new everyday!
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Old 12-06-2013, 04:56 PM   #5
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Comprehensive build sheet. Reminds me of what James put together for my SE36. This is going to be fun.
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Old 12-16-2013, 06:08 AM   #6
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Than - you in on this???
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Old 12-16-2013, 09:55 AM   #7
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Jason,

Not yet. I still have more to learn in my SE36. Watching with great interest. E46's are becoming cheaper than E30's and E36's.

Than
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Old 12-17-2013, 03:53 PM   #8
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Worksheet and parts list for car builds

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Originally Posted by jcrist View Post
Than - you in on this???
Buy your car already !


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Old 12-17-2013, 04:08 PM   #9
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Not yet. I still have more to learn in my SE36. Watching with great interest. E46's are becoming cheaper than E30's and E36's.
Come on Than! With that attitude, I would still be in my E30 M3! The learning never stops, but I can guarantee you that you will have a better learning tool if it isn't trying to roll you over!
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Old 12-17-2013, 06:43 PM   #10
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"Honey, I need to build a Spec E46 so that I can adjust my attitude to become a more productive wage earner. In the end we will make money doing this build"

Heading home to start the process!
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Old 01-06-2014, 01:04 PM   #11
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Awesome stuff here, thanks for putting this together.

TBH, I've never built a club level racer. I've been fortunate enough to have great friends and know team owners who let me race or drive their cars. BUT, having said that, this is something I am taking a serious look into with a partner (we really want to build 2 cars).

With that being said, how much do you guys anticipate running a car would cost? I realize their will be as many opinions as responses (and there are always the unanticipated repairs - gotta love racing)...but it at least gives us all something to begin considering as we create budgets to race come 2015.

Logistics are pretty straight forward (diesel for hauler, fuel for car, race entry fees, lodging, etc.). Lets continue to add to this list.

What about general maintenance? Let's say you do an average of 1-2 weekends at the track a month. Let's also say that your budget is average, so you're going to be milking tires for all they are worth. What about brakes (pads/rotors), belts/tensioners, etc. Engine oil / filter changes after every weekend, surely. What about diff and trans oil maintenance?

Perhaps we can break these down to monthly, bi-monthly, and annual maintenance categories.

In addition to that, what kind of spares would be good to have with you on a given weekend at the track?

Thoughts?
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Old 01-06-2014, 03:54 PM   #12
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  • These transmissions last forever - shouldn't have maintenance there.
  • Used engines are $1200 for around 100k miles and should last well. With a program with a new engine, I would expect refreshing it every 3-4 years with general full-season sprint race use. I am thinking as things start (and hopefully for the future) this will be a used engine as needed - a few years?
  • Brakes depend on driver and track, but average for general Sprint series use would be 2-3 weekends. Much more pad volume than an E30 with a similar weight car going a little faster on the straights.
  • Change fluids every 2-3 weekends.
  • Otherwise it is incidental work/parts and these should be pretty solid.

Quote:
Originally Posted by EvanYork View Post
Awesome stuff here, thanks for putting this together.

TBH, I've never built a club level racer. I've been fortunate enough to have great friends and know team owners who let me race or drive their cars. BUT, having said that, this is something I am taking a serious look into with a partner (we really want to build 2 cars).

With that being said, how much do you guys anticipate running a car would cost? I realize their will be as many opinions as responses (and there are always the unanticipated repairs - gotta love racing)...but it at least gives us all something to begin considering as we create budgets to race come 2015.

Logistics are pretty straight forward (diesel for hauler, fuel for car, race entry fees, lodging, etc.). Lets continue to add to this list.

What about general maintenance? Let's say you do an average of 1-2 weekends at the track a month. Let's also say that your budget is average, so you're going to be milking tires for all they are worth. What about brakes (pads/rotors), belts/tensioners, etc. Engine oil / filter changes after every weekend, surely. What about diff and trans oil maintenance?

Perhaps we can break these down to monthly, bi-monthly, and annual maintenance categories.

In addition to that, what kind of spares would be good to have with you on a given weekend at the track?

Thoughts?
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Old 02-27-2014, 01:54 PM   #13
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Trying to replace my old power steering fluid how many should I buy ?


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