The BMW UUC Digest 
Volume 3 : Issue 248 : "text" Format

Messages in this Issue:
  Re: Grass Roots Motorsports (GRM) e30 318is supercharger
  Re: Grass Roots Motorsports (GRM) e30 318is supercharger project
  Re: Grass Roots Motorsports (GRM) e30 318is supercharger
  Re: Grass Roots Motorsports (GRM) e30 318is supercharger project
  Re: Grass Roots Motorsports (GRM) e30 318is supercharger project
  Re: Grass Roots Motorsports (GRM) e30 318is supercharger project
  Re: Grass Roots Motorsports (GRM) e30 318is supercharger project
  Re: <Misc> Automobile on 335i
  Re: <e36> 6 speed vs. 5 speed
  Re: <e36> 6 speed vs. 5 speed
  Re: E46 5-speed tranny Q
  smoked knock-offs was:  WTB E34 Headlights
  Re: smoked knock-offs was:  WTB E34 Headlights
  Re: E36 Brake Question - Follow Up and Conclusion
  <Misc>When to say when...TCO on cars

----------------------------------------------------------------------

Date: Thu, 31 Aug 2006 11:03:22 -0400 (GMT-04:00)
From: Chet Dawes <[EMAIL PROTECTED]>
To: Gary Derian <[EMAIL PROTECTED]>, john grills <[EMAIL PROTECTED]>,
        [email protected]
Subject: Re: Grass Roots Motorsports (GRM) e30 318is supercharger
Message-ID: <[EMAIL PROTECTED]>

John,
Yep, I too saw the article and I've been aware it was coming out for some time.
While not in the e30, I've run the DASC kit on an M42 in my former e36 318ti.  
It works very well.
And Gary, you'll far and away outrun the 325i and will challenge a stock e30 M3 
for certain.  :)
~215 Hp and a very low/flat torque curve from the Eaton SC all from the lighter 
(than the 6) M42 engine.
As far as I know Downing is now offering a kit for the e30.  As I understand 
it, Downing had been contemplating this for a long time, but never had quite 
enough interest prior to the GRM article.  Check the latest Roundel.....I 
beleive they have a full page ad for the e30 kit.  Or call Jim Goodroe, he's a 
good guy with a good bit of knowlege too.
The kit is expensive, but it is a really nice package with great performance 
and reliability.

My 318ti had 120k miles over half of which was 'on the pump' with no related 
problems.  The power/weight was very similar to the e36 M3 and with the gearing 
advantage of the 318ti (3.45:1) the car moves very well.  Remember the 318ti 
only weighed 2800lbs.
That car surprised a lot of folks at the track....a measly 1.8L hatch back, the 
orphan of the BMW family......  :)

Cheers,
Chet Dawes

-----Original Message-----
>Subject: Re: [UUC]  Grass Roots Motorsports (GRM) e30 318is supercharger 
>project
>
>Seems like the hard way to make a 318 as fast as a 325.
>Gary Derian
>
>> Anyone happen to catch the 318is project this summer in GRM? It actually
>> convinced me to take on a project car from a friend. M3 excluded, this e30
>> 318is may be my favorite e30 variant, and I've owned one of each.
>>
>> The July article documents Downing-Atlanta's M42/e36 Eaton blower fitment.
>> Apparently went so well and generated enough interest that they are
>> contemplating an e30 kit (time, and number of orders will tell).
>>
>> E36 kit is ~$3500 complete, biggest fitment issue on the e30 was to move 
>> the
>> brake reservoir to a remote one on the firewall. Part is from a 2002.
>> Article states that adding 2002 parts to any project is a worthwhile goal!
>> ;-). Also, required a v-belt/serpentine belt combo pulley from an M42 Z3 
>> to
>> run the blower and A/C compressor. Who needs A/C anyway? Heck, I want to 
>> get
>> rid of the fan and go 'lectric anyway.
>>
>> Anyone out there familiar with this? Comments? Advice?
>>
>> Cheers!
>> John Grills


------------------------------

Date: Thu, 31 Aug 2006 11:37:16 -0400
From: "Gary Derian" <[EMAIL PROTECTED]>
To: "Chet Dawes" <[EMAIL PROTECTED]>,
        "john grills" <[EMAIL PROTECTED]>, <[email protected]>
Subject: Re: Grass Roots Motorsports (GRM) e30 318is supercharger project
Message-ID: <[EMAIL PROTECTED]>

No doubt its a good kit with good results.  I knew Jim Downing back in the 
IMSA RS and GTU days and he is a really good guy.
Gary Derian

> John,
> Yep, I too saw the article and I've been aware it was coming out for some 
> time.
> While not in the e30, I've run the DASC kit on an M42 in my former e36 
> 318ti.  It works very well.
> And Gary, you'll far and away outrun the 325i and will challenge a stock 
> e30 M3 for certain.  :)
> ~215 Hp and a very low/flat torque curve from the Eaton SC all from the 
> lighter (than the 6) M42 engine.
> As far as I know Downing is now offering a kit for the e30.  As I 
> understand it, Downing had been contemplating this for a long time, but 
> never had quite enough interest prior to the GRM article.  Check the 
> latest Roundel.....I beleive they have a full page ad for the e30 kit.  Or 
> call Jim Goodroe, he's a good guy with a good bit of knowlege too.
> The kit is expensive, but it is a really nice package with great 
> performance and reliability.
>
> My 318ti had 120k miles over half of which was 'on the pump' with no 
> related problems.  The power/weight was very similar to the e36 M3 and 
> with the gearing advantage of the 318ti (3.45:1) the car moves very well. 
> Remember the 318ti only weighed 2800lbs.
> That car surprised a lot of folks at the track....a measly 1.8L hatch 
> back, the orphan of the BMW family......  :)
>
> Cheers,
> Chet Dawes
>
> -----Original Message-----
>>Subject: Re: [UUC]  Grass Roots Motorsports (GRM) e30 318is supercharger 
>>project
>>
>>Seems like the hard way to make a 318 as fast as a 325.
>>Gary Derian
>>
>>> Anyone happen to catch the 318is project this summer in GRM? It actually
>>> convinced me to take on a project car from a friend. M3 excluded, this 
>>> e30
>>> 318is may be my favorite e30 variant, and I've owned one of each.
>>>
>>> The July article documents Downing-Atlanta's M42/e36 Eaton blower 
>>> fitment.
>>> Apparently went so well and generated enough interest that they are
>>> contemplating an e30 kit (time, and number of orders will tell).
>>>
>>> E36 kit is ~$3500 complete, biggest fitment issue on the e30 was to move
>>> the
>>> brake reservoir to a remote one on the firewall. Part is from a 2002.
>>> Article states that adding 2002 parts to any project is a worthwhile 
>>> goal!
>>> ;-). Also, required a v-belt/serpentine belt combo pulley from an M42 Z3
>>> to
>>> run the blower and A/C compressor. Who needs A/C anyway? Heck, I want to
>>> get
>>> rid of the fan and go 'lectric anyway.
>>>
>>> Anyone out there familiar with this? Comments? Advice?
>>>
>>> Cheers!
>>> John Grills
> 


------------------------------

Date: Thu, 31 Aug 2006 15:44:00 -0400 (GMT-04:00)
From: Chet Dawes <[EMAIL PROTECTED]>
To: [email protected]
Subject: Re: Grass Roots Motorsports (GRM) e30 318is supercharger
Message-ID: <[EMAIL PROTECTED]>

Gary/Scott,
Since the Downing kit has a bypass valve (vacuum operated) it is not 'pumping' 
air during part-throttle cruise.  Only when you tip-in (40%-ish pedal position) 
does the bypass close.  Until then you're running normal manifold pressures and 
free-spinning the SC without adding much load.  I saw a touch better fuel 
economy in the SC'd 318ti than with my 'stock' e36 M3.  Yes it is slightly 
affected in real world fuel economy, but it certainly is offset by the grin on 
the face of the driver when you press the pedal down!   :)

It is not a perfect kit, but it is very good.  A few gotchas:
1) transient heavy/quick tip-in is not perfect due to the delay of boost 
pressure related to fuel delivery.
This is a limiation of a rising rate fuel pressure regulator.
2) spark knock can occur in said transitions due to the slightly lean tip-in.
3) extra load on the fuel pump to provide the added pressure from the rising 
rate regulator.  A weak pump can result in lean-burn.  But hey, same is true 
for NA engines, just not as lethal.

Cheers,
Chet



-----Original Message-----
>From: [EMAIL PROTECTED]
>Sent: Aug 31, 2006 12:17 PM
>To: [email protected]
>Subject: Re: [UUC]  Grass Roots Motorsports (GRM) e30 318is supercharger 
>project
>
>
>A supercharged 318 would be lighter than a 325.  It might also get better
>fuel economy if the driver could learn not to use all the power all the
>time.  Maybe.
>
>Scott Miller
>GGC BMW CCA


------------------------------

Date: Thu, 31 Aug 2006 11:14:40 -0400
From: "john grills" <[EMAIL PROTECTED]>
To: "'Gary Derian'" <[EMAIL PROTECTED]>, <[email protected]>
Subject: Re: Grass Roots Motorsports (GRM) e30 318is supercharger project
Message-ID: <[EMAIL PROTECTED]>

Perhaps, but the 318is is an e30 on a diet...lighter is always faster,
right? They claim the conversion ended up adding 31 lbs and trimming 15lbs
of O.E. parts that were no longer needed. The M42 is just a real pleasure to
wind up. I've had enough M20 powered e30s, IMHO the M42/e30 is just a blast
to toss around, and that's with the suspension all stock (right down to the
Sachs dampers).

>From stock 127hp/118ft-lb to 188hp/155ft-lb (wheel dyno'd) for a bolt-on kit
is pretty impressive. Flat torque curve from 2500-6500 (5300 peak) ain't
nothing to sneeze at either. Just depends on what you like in a lump I
guess.
jpg

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Gary Derian
Sent: Thursday, August 31, 2006 10:32 AM
To: john grills; [email protected]
Subject: Re: [UUC] Grass Roots Motorsports (GRM) e30 318is supercharger
project

Seems like the hard way to make a 318 as fast as a 325.
Gary Derian

> Anyone happen to catch the 318is project this summer in GRM? It actually
> convinced me to take on a project car from a friend. M3 excluded, this e30
> 318is may be my favorite e30 variant, and I've owned one of each.
>
> The July article documents Downing-Atlanta's M42/e36 Eaton blower fitment.
> Apparently went so well and generated enough interest that they are
> contemplating an e30 kit (time, and number of orders will tell).
>
> E36 kit is ~$3500 complete, biggest fitment issue on the e30 was to move 
> the
> brake reservoir to a remote one on the firewall. Part is from a 2002.
> Article states that adding 2002 parts to any project is a worthwhile goal!
> ;-). Also, required a v-belt/serpentine belt combo pulley from an M42 Z3 
> to
> run the blower and A/C compressor. Who needs A/C anyway? Heck, I want to 
> get
> rid of the fan and go 'lectric anyway.
>
> Anyone out there familiar with this? Comments? Advice?
>
> Cheers!
> John Grills
> NCCBMWCCA
> 98 M3/4
> 91 318is
> 88 M3
> 87 325 cabrio (soon to be FS)
> http:/jpg123.tripod.com/ for a semi-complete Mod-blog on the stable
>
> Search the ARCHIVES:http://www.mail-archive.com/[email protected]
>
>
> __________________________________________________________________________
> In memory of Michel Potheau - friend, enthusiast, founder of the BMW CCA.
>
> UUC Motorwerks - BMW Performance Fine-tuning and home of the Ultimate
> Short Shifter - accept no substitutes!
> 908-874-9092 . http://www.uucmotorwerks.com 

Search the ARCHIVES:http://www.mail-archive.com/[email protected]


__________________________________________________________________________
In memory of Michel Potheau - friend, enthusiast, founder of the BMW CCA.

UUC Motorwerks - BMW Performance Fine-tuning and home of the Ultimate
Short Shifter - accept no substitutes!
908-874-9092 . http://www.uucmotorwerks.com


------------------------------

Date: Thu, 31 Aug 2006 11:25:07 -0400
From: "Gary Derian" <[EMAIL PROTECTED]>
To: "john grills" <[EMAIL PROTECTED]>, <[email protected]>
Subject: Re: Grass Roots Motorsports (GRM) e30 318is supercharger project
Message-ID: <[EMAIL PROTECTED]>

Considering the kit costs as much as a whole 325, its hard and expensive. 
For the work and expense, I think one is way ahead building an M50 powered 
E30.  Of course, it depends on what you want in a lump.

What happens to the highway fuel economy with the kit?

Gary [just one man's opinion] Derian


> Perhaps, but the 318is is an e30 on a diet...lighter is always faster,
> right? They claim the conversion ended up adding 31 lbs and trimming 15lbs
> of O.E. parts that were no longer needed. The M42 is just a real pleasure 
> to
> wind up. I've had enough M20 powered e30s, IMHO the M42/e30 is just a 
> blast
> to toss around, and that's with the suspension all stock (right down to 
> the
> Sachs dampers).
>
> From stock 127hp/118ft-lb to 188hp/155ft-lb (wheel dyno'd) for a bolt-on 
> kit
> is pretty impressive. Flat torque curve from 2500-6500 (5300 peak) ain't
> nothing to sneeze at either. Just depends on what you like in a lump I
> guess.
> jpg


------------------------------

Date: Thu, 31 Aug 2006 09:15:45 -0700
From: [EMAIL PROTECTED]
To: [email protected]
Subject: Re: Grass Roots Motorsports (GRM) e30 318is supercharger project
Message-ID: <[EMAIL PROTECTED]>


I read that right around the time I picked up a '91 318is for our daughter
to drive.  I might have considered buying the kit if 1) I hadn't already
invested too much money upgrading my '90 325i, B) the 318 didn't have over
300K miles on it, and iii) I knew that I wanted to keep the 318 after our
daughter goes off to college.  But I mentioned it to a friend, and he is
interested in the supercharger, and also possibly in buying our 318.  If I
sell the car, I'll let him deal with the 300K engine.

Scott Miller
GGC BMW CCA

>Date: Thu, 31 Aug 2006 10:10:47 -0400
>From: "john grills" <[EMAIL PROTECTED]>
>To: <[email protected]>
>Subject: Grass Roots Motorsports (GRM) e30 318is supercharger project
>Message-ID: <[EMAIL PROTECTED]>
>
>Anyone happen to catch the 318is project this summer in GRM? It actually
>convinced me to take on a project car from a friend. M3 excluded, this e30
>318is may be my favorite e30 variant, and I've owned one of each.
>
>The July article documents Downing-Atlanta's M42/e36 Eaton blower fitment.
>Apparently went so well and generated enough interest that they are
>contemplating an e30 kit (time, and number of orders will tell).
>
>E36 kit is ~$3500 complete, biggest fitment issue on the e30 was to move
the
>brake reservoir to a remote one on the firewall. Part is from a 2002.
>Article states that adding 2002 parts to any project is a worthwhile goal!
>;-). Also, required a v-belt/serpentine belt combo pulley from an M42 Z3
to
>run the blower and A/C compressor. Who needs A/C anyway? Heck, I want to
get
>rid of the fan and go 'lectric anyway.
>
>Anyone out there familiar with this? Comments? Advice?
>
>Cheers!
>John Grills
>NCCBMWCCA
>98 M3/4
>91 318is
>88 M3
>87 325 cabrio (soon to be FS)



------------------------------

Date: Thu, 31 Aug 2006 09:17:15 -0700
From: [EMAIL PROTECTED]
To: [email protected]
Subject: Re: Grass Roots Motorsports (GRM) e30 318is supercharger project
Message-ID: <[EMAIL PROTECTED]>


A supercharged 318 would be lighter than a 325.  It might also get better
fuel economy if the driver could learn not to use all the power all the
time.  Maybe.

Scott Miller
GGC BMW CCA

>Date: Thu, 31 Aug 2006 10:32:11 -0400
>From: "Gary Derian" <[EMAIL PROTECTED]>
>To: "john grills" <[EMAIL PROTECTED]>, <[email protected]>
>Subject: Re: Grass Roots Motorsports (GRM) e30 318is supercharger project
>Message-ID: <[EMAIL PROTECTED]>
>
>Seems like the hard way to make a 318 as fast as a 325.
>Gary Derian



------------------------------

Date: Thu, 31 Aug 2006 11:24:56 -0400
From: "M540" <[EMAIL PROTECTED]>
To: <[email protected]>
Subject: Re: <Misc> Automobile on 335i
Message-ID: <[EMAIL PROTECTED]>

I know I read it somewhere more reliable than this, but here's another
reference to a 135i.  Unless it's deemed too threatening to the M3, MZ4
coupe, etc it seems like a great idea.  

http://www.topspeed.com/cars/car-news/bmw-135i-got-green-light-ar12605.html

Now of course I'm assuming you didn't mean the US when you said "we".
Naturally WE won't get to see ANY 1-series cars for a couple of years at
least, much less the cool ones.  :(

Kevin

 -----------------------------

Date: Wed, 30 Aug 2006 17:11:37 -0400
From: "bs" <[EMAIL PROTECTED]>
To: <[email protected]>
Subject: Re: <Misc> Automobile on 335i
Message-ID: <[EMAIL PROTECTED]>

Now we're talking!

> 
> Date: Tue, 29 Aug 2006 13:23:32 -0700
> From: [EMAIL PROTECTED]
> To: "[uucdigest]" <[email protected]>
> Subject: Re: <Misc> Automobile on 335i


>     Where else will BMW use that motor.  Seems costly to certify it for 
> only one model.  Will we get the twin turbo in a 1 series?
> Barry



------------------------------

Date: Thu, 31 Aug 2006 10:51:50 -0500
From: "Bill Mitchell" <[EMAIL PROTECTED]>
To: <[email protected]>
Subject: Re: <e36> 6 speed vs. 5 speed
Message-ID: <[EMAIL PROTECTED]>

I installed a Euro E36 6 speed in my '99 M3 last Thanksgiving weekend, I 
love it.  I haven't changed the diff yet, may not, as the mileage increased 
and I use this car for daily driving and trips.  I also installed a UUC 
Motorwerks six speed short shift kit, and I have no problems with notchiness 
or hanging up, its very smooth.  I recommend it highly, as the E36 is geared 
too high in fifth with the 3.23 rear end.

Bill M.
'99 M3
'95 M3
'01 530i



------------------------------

Date: Thu, 31 Aug 2006 09:06:57 -0700 (PDT)
From: P Kroon <[EMAIL PROTECTED]>
To: [email protected]
Subject: Re: <e36> 6 speed vs. 5 speed
Message-ID: <[EMAIL PROTECTED]>

Bill,

What do you see for rpms at 65 and/or 75 mph with the
6 speed?

Thanks,

Paul
95 M3

--- Bill Mitchell <[EMAIL PROTECTED]> wrote:

> I installed a Euro E36 6 speed in my '99 M3 last
> Thanksgiving weekend, I 
> love it.  I haven't changed the diff yet, may not,
> as the mileage increased 
> and I use this car for daily driving and trips.  I
> also installed a UUC 
> Motorwerks six speed short shift kit, and I have no
> problems with notchiness 
> or hanging up, its very smooth.  I recommend it
> highly, as the E36 is geared 
> too high in fifth with the 3.23 rear end.
> 
> Bill M.
> '99 M3
> '95 M3
> '01 530i
> 
> 
> Search the
>
ARCHIVES:http://www.mail-archive.com/[email protected]
> 
> 
>
__________________________________________________________________________
> In memory of Michel Potheau - friend, enthusiast,
> founder of the BMW CCA.
> 
> UUC Motorwerks - BMW Performance Fine-tuning and
> home of the Ultimate
> Short Shifter - accept no substitutes!
> 908-874-9092 . http://www.uucmotorwerks.com
> 


__________________________________________________
Do You Yahoo!?
Tired of spam?  Yahoo! Mail has the best spam protection around 
http://mail.yahoo.com 

------------------------------

Date: Thu, 31 Aug 2006 10:33:49 -0700 (PDT)
From: "Jim Bassett" <[EMAIL PROTECTED]>
To: [email protected]
Subject: Re: E46 5-speed tranny Q
Message-ID: <[EMAIL PROTECTED]>

On Wed, August 30, 2006 8:27 pm, [EMAIL PROTECTED] said:
> Your transmission is suffering from a known problem with the
> shift detents, the little collection of springs and pins
> that is responsible for the springiness of the shifter.
>
> Easy fix... once you've dropped the transmission.  BMW has a
> repair kit and Technical Service Bulletin about this.

Just to expand on what Rob said, this is a VERY common issue. I had this
problem on the 1998 M3 and had it repaired based on info from a Roundel
article a few years back (before there was a TSB from BMW). Basically,
there's a tolerance/binding issue with one of the sliding pins and is most
noticeable when the transmission is cold.

Fix was done a couple of years ago, no problems since.

Cheers,
Jim Bassett
1998 M3/4
1993 325is #44 JP


------------------------------

Date: Thu, 31 Aug 2006 15:22:53 -0400
From: Ed MacVaugh <[EMAIL PROTECTED]>
To: [email protected]
Subject: smoked knock-offs was:  WTB E34 Headlights
Message-ID: <[EMAIL PROTECTED]>

I have the black hella lights and they are not "knock-offs". They cost 
nearly $600 from Turner Motorsports and are made by the same company 
that made the OE lights, Hella.  Internal parts are the same as the 
clear Euro OE ellipsoids and are far superior in design to aftermarket 
lights

Ed
john grills wrote:

>Paul,
>
>I have a set of e30 US ellipsoids collecting dust in the garage. I got them
>on ebay couple years back, before all the 'smoked knock-offs' started
>appearing. I have no experience on their quality. At the time, I over-paid
>for them (~$200). Decided to go with the H4/H1 Hella lights instead.
>  
>


------------------------------

Date: Thu, 31 Aug 2006 16:25:53 -0400
From: "john grills" <[EMAIL PROTECTED]>
To: "'Ed MacVaugh'" <[EMAIL PROTECTED]>, <[email protected]>
Subject: Re: smoked knock-offs was:  WTB E34 Headlights
Message-ID: <[EMAIL PROTECTED]>

Never claimed that any Hella lights were knock offs. Clearly Hella is the
OEM for these.
r/jpg

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Ed MacVaugh
Sent: Thursday, August 31, 2006 3:23 PM
To: [email protected]
Subject: smoked knock-offs was: [UUC] WTB E34 Headlights

I have the black hella lights and they are not "knock-offs



------------------------------

Date: Thu, 31 Aug 2006 14:26:19 -0700 (PDT)
From: Matt Weimer <[EMAIL PROTECTED]>
To: [email protected]
Subject: Re: E36 Brake Question - Follow Up and Conclusion
Message-ID: <[EMAIL PROTECTED]>

Hello Larry,

My vote is for a caliper that is slightly hanging up. 
After a long drive is one wheel hotter to the touch
then the other?  I had this warping issue on an E30
325iS and rebuilding the calipers fixed the problem.

Also, don't throw the old rotors away if they have
lower mileage, get them turned by a competent shop and
store them in the boxes from your new rotors (laying
flat) for the future.

Matt Weimer

------------------------------------------
Date: Thu, 31 Aug 2006 07:32:34 -0400
From: "DUNLAP, LARRY"
To: <[email protected]>

First, thanks to all who responded!  The order of
events went like 
this:

Rotors looked clean and spotless so I didn't think
there were any deposits built up on them, but I took
them off and switched sides just to see if there was
any kind of change.  Same thing as before, vibration
under moderate braking. Made sure the mating surfaces
were all clean with no debris.  Still vibrating.

Swapped rims with an old set I had that I know were
good.  Vibration was much worse!  What the?!?

Rechecked everything under the front end, nothing
obviously missing or wrong. Finally ordered a
replacement set of rotors (Balo) and put them on last
night.  Vibration gone.

So apparently it was a warped rotor.  What puzzles me
is that I have only used OEM brake pads on it, and
this would now be the 2nd set of rotors that I warped
on that car. It's a 318is that I use for commuting.  I
have never had this issue with any of the other cars
(Ford Explorer, Porsche 951), maybe I have a caliper
hanging up?  Go figure, but at least I'm not vibrating
at the moment! 

-Larry

__________________________________________________
Do You Yahoo!?
Tired of spam?  Yahoo! Mail has the best spam protection around 
http://mail.yahoo.com 

------------------------------

Date: Thu, 31 Aug 2006 18:46:39 -0500
From: "Marc Plante" <[EMAIL PROTECTED]>
To: [email protected]
Subject: <Misc>When to say when...TCO on cars
Message-ID: <[EMAIL PROTECTED]>

As I watch a  bit of a rush to buy nice E36 M3/4s, I begin to wonder about the 
dynamics of owning a used car and when it's truly best to get out.

I owned my 325 for 11 years, thinking it cost effective, plus the car never 
ceased to amuse.  Yet, when I consider

Purchase price   21,000
Sale Price             3,000

Deprectation      18,000

~$135/month depreciation.

I've been scanning the web on "Cost of Ownership" for cars, and it seems that 
depreciation is the key driver (Though I realizs that there are property taxes, 
insurance, etc).  So, for those that may have looked into the numbers that 
trade more often.  Is there a sweet spot in cars' life expectancies to buy and 
sell. Say buying a car in the third year of its life to maximise the new car 
depreciation hit, then selling before 100k to get rid of it before it's value 
tanks?

Are there typical milestones? 100k?  car style changes?  Just wondering what 
factors to consider (Maybe I'm starting to build an internal case to buy a 200? 
535i sedan...perhaps I'd settle for an '05 530i...after deciding I'd never sell 
my E36).

Anyone (more frequent auto sellers? dealers? Phil?) have some insights in this 
area?

Marc Plante 
1997 E36 M3/4 73k
Vienna, VA


------------------------------

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