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Can My DIY BMW Beat a $150,000 CSL?
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this is a BMW E46 M3 CSL and it's my
dream M3 only problem is they're super
rare and worth over
$150,000 and I don't have that kind of
money yet so I decided to make my own M3
CSL at home in my garage for a fraction
of the price by starting with a used
regular M3 and after days of hard work
and a couple heart attacks well we've
got all the maintenance handled and
we've got some suspension and handling
stuff handled then we went to the dyno
horsepower uh yeah so today we're going
to improve on that by installing a new
intake a new tune and a new exhaust
we're also going to finish up the
aesthetic upgrades on this car and get
this thing completed as my version of a
CSL then we'll go back to the dyno and
make sure that we're making more power
than a CSL [Music]
[Music]
all right the first thing we're going to
do is install that beautiful new intake
which means I need to remove the ugly
old intake now we got to take off the strut
brace now disconnect them M take out the
housing okay now we'll take some of this
[Music]
fun all right after just a few minutes
popping off some hose clamps this should
not oh I played the curve Perfect all
right this is our stock air box nothing
special this is what came on the M3 the
regular one we're going to be replacing
it with something much nicer this is
turn Sports CSL replica carbon fiber
intake uh it looks a lot like the intake
that came on the CSL the carbon fiber
unit which flows better than the factory
airbox for more power this flows 20%
more than the stock airbox and it even
flows more than the original CSL intake
more flow more air more power it also
looks pretty good and it's going to
sound really good this is going to free
up a lot of sound from the itbs which is
very exciting the other thing that this
intake does is removes the use of a MAF
sensor so we'll no longer be using mass
airf flow sensor we're going to be using
a map sensor and uh what's called an
alpha end tune so we got to tune this
thing which will also let us make more
power all right let's quit talking and start
start
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okay all we got to do is screw in a
couple of mounting studs and then screw
on a
bracket okay now that those are on there
okie dokie now we got all the couplers
in place time to drop the Box in just
[Music]
blindly all right the box is installed
now it's time to put in the air filter
should be pretty
easy we got that big beautiful filter in place
place
let's put the front on [Music]
this oh we're making the same
phase all right well now we got a new
intake on the car and I got to say it
looks pretty cool uh so I think that's
going to do it for today but we'll get
back at it bright and early tomorrow
store all right while Jerry's working on
the exhaust I'm going to work on
tightening up the linkage between me and
the transmission so the shifter and the
linkages underneath uh the shifter's got
a little bit of play in it right now and
we're going to get rid of that Sweet
Caroline whoo whoa who so that's how I
know you're not white yeah I don't know
these music these songs you didn't hit
me with the wo wo wo I mean I thought
you you would by now that I'm not I'm
not very Anglo Saxon tough to tell
sometimes I mean your name's
shift all right so I have the old
exhaust off and valonic sent Joby a uh
exhaust for his E46 and it's always nice
to do a little unbox therapy oh
yeah okay so what we have here is a
stainless steel setup now valve tronic
is they got their name because there's a
valve in there you can go full race car
setting and open it up so it sounds
pretty sick or you can be a little bit
more reasonable and close the valve and
it uh diverts some of the exhaust all
this is is just a little air pump so you
put rubber hose on one side of it and
then the hose run runs to the valve here
hit the
button boom valve in there opens
closes Nifty so that works that's very
cool and very good now I need to go
install it with just two exhaust hangers
going to sound so good job you're going
to crumb I think I will look B okay well
okay we'll clean that up replace that
little bucket there and uh put a couple
Rod all right that'll give me a little more
more
room hey look at that thing that's not a
factory it's pretty nice let's clean it
up replace that wonky bushing
tighten things up a bit Yeah suers loose
this is the shift carrier so this is
where the shifter actually mounts to so
the ball goes right in here you shift
here and then down here is your selector
Rod which goes from the bottom of the
shifter over to the transmission so the
one that was in the car is a single
Shear basically it has a bar with two
pins that stick off either side that
connect the shifter to the transmission
we're going with Turner's dual Shear
shift selector Rod so basically it is
like a tuning fork on either side takes
away a lot of slop tightens the feel up
and uh looks nice [Music]
too give it just a little bit of Grease [Music]
all right after a hardfought battle with
the shifter bits all the installs
complete and the shifter feels great all
the play has been removed and I'm
excited to row through these gears so I
got to finish buttoning this up throw
the shift boot back on and then we're
done here move on to some aesthetic bits
while Jerry finishes up the
exhaust right jar jar
jar Gary
Gary
Jerome Jeremy now I do have the CSL
front bumper and these carbon spats are
what would have come on the CSL but
these things are absolutely destroyed
help and I really like the look of the
one piece so we're going to replace
what the
cool
TOS all right well clean that up a
little bit and Chuck a new whip on there
you know one of my fatal flaws is trying
to save time by working around things
like in the case of the shifter the
exhaust and the drive shaft yeah
probably would have taken me an hour to
get the exhaust and drive shaft out but
that probably cost me 3 hours leaving
[Music]
learn all right this is just a random
noname carbon fiber front lip from eBay
um was kind of Unsure how it would fit
and honestly overall it's pretty good
just got to file down a little bit of
these things are a little too big better
too big than too small I can always take
a little off so all in all pretty happy
with it
uh these are kind of tough to find so
it all right that was quick and easy I'd
say overall the fitment is pretty good
it's not quite perfect in here and out
here but from 10 ft away it's what do
you think 10t away I'm 10 ft away least
pretty damn
oh he's still
hug hi buddy hi baby dude what have you
done I haven't seen this car in like
what have I done uh well we did the
wheels the tires the brakes the sway
bars oh going back we did rod bearings I
saw that that went flawlessly of course
handful of we yep power steering lines
that also went flawlessly [Music]
[Music]
what is that power steering the one
didn't go flying off in the driveway
then we did intake just rebuilt the
shifter just put this front lip on do
you need a help hand with anything I
need a help hand yeah helping hand yeah
yeah you need a hamburger helper yeah I
probably do Jerry's working on the
exhaust right
now he's not there yeah he's not here is
he yeah no oh okay that makes sense but
my favorite J name guy is here [Music]
[Music]
so the factory skid plate on these cars
is plastic and mine is pretty beat up uh
so Turner offers an aluminum one that
offers you way more protection and it
looks great so I'm going to throw that
in real quick just got to drill a couple
holes put in a couple Riv nuts how fast
do you think you're going to scrape it
uh like
immediately 30 ft your driveway is but
uh no skid plate I don't think we'll hit
out there okay sure but hey that's what
it's for you sure about that yeah I
think skid plate will be fine all right
but the front lip not so sure yeah yeah
you don't want that to get busted up uh
yeah so there's the brackets right there
just got to figure out where they go and
which one goes on which [Music]
[Music]
go all right now we just got to drill
out a couple holes put some rib nuts in
got a 2564 drill bit and uh just using
the factory holes that had plastic Clips
in them you're swapping out this old
bracket with this new bracket but you
still have to reuse the old uh intake
tube system because we need to feed that big
big [Music]
trumpet okay time for something I've
been looking forward to uh we're going
to switch the stock trunk out with the
CSL trunk that I got it's freshly
painted so I'm going to take this one
off get all the stuff out of it and get
the car ready for the new trunk
we're getting it on tonight I think
shouldn't jinx it Jimmy's helping I'm
over we're going to get the tail lights
out get all the wiring out we'll get the
latch out and the key cylinder then we
just got to remove the four bolts that
hold the trunk
on T30 you know that the T30 job what is
this a pool Cube this is a pool Cube
yeah what do you mean it's in a leather
case well it's fake I have a much bigger
case if you're impressed by that really
yeah I have a bunch of pool sticks
damn oh my God Christmas Is Here jeez
dude you got to chill on the hom what do
you mean man just focus on like three
I'm getting into espresso in a big way
right now are you kidding me dude no if
you had to have only three Hobbies what
would that be ooh uh cars and golf
and and on that note he said the word
real life [Music]
[Music]
girls but also like a [Music]
[Music]
Lego you're free free why you think he tight
in and
rotate all right we can just Chuck this
sucker over here for now now Perfect
Landing dude now let's go get the new
one it's in your bedroom right yeah I've
lightos yeah we'll just get her on there
for now we'll line it later oh and you
know needs to go to the driver side a
little bit but good for now we'll get
the rest done let's hang on a sec let's
look at it yeah baby that's really cool
I like that I gotta say I might be a
little jealous yeah that's what I like
to hear I'm a little jealous okay it's a
cool trunk it's an O it's an actual OEM
piece that's right jealousy from Jimmy
is the highest compliment you got to get the
the
seats oh do I I mean the seats are cool
have you seen the CSL seats yeah they're
probably how dare you mock me how dare
you yeah I'm going to go sleep in your
bed right now okay I'll be there in a
[Music]
you're gentle with it Jud EMB I'm being [Music]
[Music]
gentle I would pay to see job and Kanan
there all right we're tying up some
loose ends today uh I just finished
installing the exhaust down below we got
the gaskets in so that's all bolted up
so next I'm going to install the
controller which opens and closes the
valves so a little bit of wiring some
vacuum line routing should be pretty
easy all right so I'm going to reuse the
this little area in the trunk here this
reinflates thing down uh using this
velcro strap that used to strap down
Tire thingy and I've also got my remote
wire to the amp running right here so
that's nice key on power that I'll be
able to pull from for this we'll ground
over here run the vacuum line out and
cake all right with the wiring and the
vacuum stuff done we can put the icing
tips oh come on look like that tip is a
[Music] he
he [Music]
[Music]
blue license plate
lights just for now uh I think I need to
modify those lights I want to think
about it a little bit but I don't want
to waste more time doing that I want to
pop on this panel and then I want to
car okay now while we do need to get the
license plate lights to fit I do need
some more clips and I do have the badges
and emblems but I am going to get this
trunk uh wet sanded and buffed it's got
a little bit too much Orange Peel at the
moment so I'm going to wait to put those
on until I have that done so now with
that done I'm going to move into the
cockpit and we're going to put a tune on
this thing okay for the tune I hit up
the guys over at arcade tunes and uh
Jordan sent me over a tune for the car
and the mods that I've done to it
including the intake and the exhaust uh
so it should be pretty simple to install
they sent a cable and there's some
software that I downloaded uh so I'll
pretty much just pop the file on and
we'll be good should just take a couple
minutes okay the car's on the dyno coach
is in the driver's seat so here's the
plan first we're going to do two runs
with the exhaust valves closed see how
much power we make then we'll open the
exhaust valves and see how much power we
make I'm guessing there'll probably be
like a 15ish horsepower difference
between valves closed and open and I'm
hoping we make around 260 all said and
done actually I have no hopes anything's fine
[Music]
that's the valve close right that's a
valve close
Okay well I hope the valve open makes a
big difference because we actually lost
horsepower overall with the valve closed
it's only making 225 horsepower now I
mean the valve closed it makes the
exhaust basically do a big 180 pretty
quickly so it's not great for flow it
just quiets it down so I hope valve open
I'm just going to have to suck on that
exhaust let him do a few more runs hell
no man okay now the exhaust valves are
horsepower what
what
on huh something went wrong with
somewhere I think was Happ nice well
it's just making too much power for the
software to handle I think don't laugh
like that it feels good it sounds good
right isn't that all that really matters [Music]
[Music]
right all right let's go see oh I made
250 three yeah oh
oh all right we made 23.8 5 so we could
pretty easily round that up to 254 which
while it is not 255 or 256 and is
technically a loss it's at least an
increase so I am I'm happy I'm happy and
I'm going to while it is on paper and
L that's a w in my head so that's all
fine and
dandy but I'd like to take this car to
the streets where it's meant to be and
stressful all right so it's been a few
days since the dyno I've had a couple
days to reflect and uh well on the fact
that uh we didn't make the horsepower
that we wanted to make you know my
therapist says that I need to address my
failures and not move the goalpost to
make everything a success and uh I think
that's true so really has me thinking
about whether or not my original goals
were good goals you know uh horsepower
CSL I mean well intentioned and all but
is that what really matters I'm not sure
I think I think there might be something
more intangible you know that we're
really after so I think we got to get
out of the the dirty dinno dungeon and
out into the sunlight and see if this
a [Music]
[Music] [Applause]
[Applause] [Music]
well you know today really turned me
around I was all bummed out that we
didn't make enough power didn't meet our
goals but I tell you what a day of
cruising in the canyons really cures all
this car is exactly what I wanted it to
be and to be honest with you one or two
horsepower wouldn't make a difference at
all so I'm pretty happy with how things
turned out and I hope you guys are too I
hope you had fun watching this episode I
hope you had nearly as much fun watching
it as we had making it and if you're not
already make sure you subscribe to the
channel hit the notification Bell so you
know when we drop new videos and I'll
see you guys on the next Oney [Music]
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