Nice work Jean!
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Chapter 3 - 84 318i m-tech - M60 powered.
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Originally posted by Jean View Post
TO DO list
Not sure what I am going to do with the SPAL fan, it appears that I can fit it in the engine bay as a puller vs as a pusher. I'd much rather run a puller than a pusher as this way I can make a more effective fan shroud VS. running a pusher infront of the rad. The SPAL fan that I have will fit in the engine bay if I offset it to a side on the passenger side, this way it won't interfere with the crank pulley or anything else from a quick test fit.
Still need think about this, and I have another idea in mind as well but need to sleep on it.
my solution was get the condenser fan from an early 90's 740/750i 840/850i. it is a LOT bigger than the original e30 fan. i would bet its easily 3x the cfm rating or more. it will fit in front of the radiator with a little bit of modification of the top core support, it has 2 factory speeds just like the e30, you can make a wiring harness to plug and play, uses the same fuse sizes for high and low, and it blows a LOT of air. they are pretty easily found in the pick a part for around 50 bucks. if you decide to go this route, just cut as much of the wiring from the donor car's harness as you can. between the pig tail from the e30's fan and the 7 series body harness, you are good to go.Last edited by flyboyx; 11-02-2017, 06:00 AM.sigpic
Gigitty Gigitty!!!!
88 cabrio becoming alpina b6 3.5s transplanted s62
92 Mtech 2 cabrio alpinweiss 770 code
88 325ix coupe manual lachsilber/cardinal
88 325ix coupe manual diamondschwartz/natur
87 e30 m3 for parts lachsilber/cardinal(serial number 7)
12 135i M sport cabrio grey/black
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At some point I had purchased stock e30 brackets that allowed me to mount a/c e30 fan w/o having the AC condenser core in-front of the radiator, it worked fine but the fan was pretty loud on full speed ..
I am thinking about selling my big Spal fan and going with a pair of 10" fans instead...this way I think I'll be able to cover more surface area of the rad and run them as pullers. I'll need to make some measurements, but the 10" fans are 2" in height .
Mtech1 v8 build thread - https://www.r3vlimited.com/board/sho...d.php?t=413205
OEM v8 manual chip or dme - https://www.r3vlimited.com/board/sho....php?p=4938827
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We're in deep now boys
1988 325i SETA - Daily driver
1988 340iL - Track car
My M60 V8 swap thread here
[oo==OO==oo]
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Originally posted by Jean View PostAt some point I had purchased stock e30 brackets that allowed me to mount a/c e30 fan w/o having the AC condenser core in-front of the radiator, it worked fine but the fan was pretty loud on full speed ..
I am thinking about selling my big Spal fan and going with a pair of 10" fans instead...this way I think I'll be able to cover more surface area of the rad and run them as pullers. I'll need to make some measurements, but the 10" fans are 2" in height .
https://webstore.spalusa.com/en-us/p...fans+-+10.aspx
I edited this to make my thoughts come across more clearlysigpic
Gigitty Gigitty!!!!
88 cabrio becoming alpina b6 3.5s transplanted s62
92 Mtech 2 cabrio alpinweiss 770 code
88 325ix coupe manual lachsilber/cardinal
88 325ix coupe manual diamondschwartz/natur
87 e30 m3 for parts lachsilber/cardinal(serial number 7)
12 135i M sport cabrio grey/black
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Exhaust work still being done slowly but surely....it's a lot of work trying to get the 4-2-1 ob1 manifolds to work in the e30 chassis, especially on the driver side. Placed an order with summit for their dual 2.25 exhaust tubing kit, some hangers, x-pipe and magna flow 2in 2out dual 2.25 muffler.
Started on wiring, and ran into a couple of snags. Looks like my manual harness must be from an e34 530i manual car, as it's got a starter wire coming out the back side of the passenger side where there are ground and positive ring terminals.
Also, passenger front side has some extra connectors. I have the usual ICV , Air Intake Temp, TPS, MAF, and 2 additional connectors still! I looked at a 530i parts car today, and looks like one of these is for some smog pump thingy that the 540 cars don't have....so I am hoping I can just ignore it . The second connector, I am not 100% sure what it's for, perhaps its for some secondary throttle body for traction control ?
I may need to look through my other harness and see how it compares and if it's got these extra connections.
Started wiring my c101 round 20pin to m6x x25 connector wiring, not 100% sure on the pins 15 and 18...some charts like Garagistic don't show where these go on the X25 side.... and RTSAuto chart shows 15 on c101 side goes to 15 on x25 side, and same with pin 18 on c101 going to pin 18 on x25 side.
Now, with the 30h wire coming out the back side of the passenger side harness near the ground terminal and the positive terminals (I think the positive one is for the 530i secondary pump thing), I am not sure if the starter wire on the 530i harness even exists on the X25 side of the harness?
Another thing I need to track down is where the e30 charcoal canister is supposed to get the signal from, as it appears that the e34 harness does not have any connectors for it... There is the oil pressure switch end along with starter wire, but nothing for the charcoal canister . So, I'll need to dig into ETM and see where that is...I am thinking on the e34 chassis it must be run separate from the X25 connector ...perhaps the charcoal canister check valve wiring is coming out of the DME and then runs to some other connector on the chassis side and then it finds its way to the check valve? Would be curious to know what others have done with this?Mtech1 v8 build thread - https://www.r3vlimited.com/board/sho...d.php?t=413205
OEM v8 manual chip or dme - https://www.r3vlimited.com/board/sho....php?p=4938827
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Theres no connector on the engine harness for the charcoal canister. See Frank's swap guide page 110.
We're in deep now boys
1988 325i SETA - Daily driver
1988 340iL - Track car
My M60 V8 swap thread here
[oo==OO==oo]
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I don't know what Frank has in his guide, but if you look in the ETM it's pretty easy.
The purge valve pin 1 gets 12v from the engine main relay (12v constant, with ignition on). In the case of an e34 540i, power from the engine main relay goes to pin 3 of the x20, to the chassis harness, through a few connectors, to the purge valve. You could just source your 12v from pin 3 of the x20 on the engine side of the harness, and keep it on the engine side - run a new wire to the purge valve.
The purge valve pin 2 gets it's switched ground from the DME pin 36. This goes to the white 18 pin connector near the DME (pin 12). You could again just splice this prior to the white connector and run a new wire to the purge valve, keeping it all in the engine harness.
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Thanks! Manifolds and y-pipes almost done, these 4into2 manifolds are a lot of work!
Ordered a bunch of exhaust crap from Summit - basically their 2.25 exhaust kit, dual 2.25 in / out magnaflow muffler and x-pipe.
Need to drain old gas, this week and will see if she fires up this weekend :)Mtech1 v8 build thread - https://www.r3vlimited.com/board/sho...d.php?t=413205
OEM v8 manual chip or dme - https://www.r3vlimited.com/board/sho....php?p=4938827
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Made some progress this week, old gas drained, wasn't even bad!
Battery is in the trunk now, just need to bolt the battery tray down and strap the battery down.
Got the fluids for the engine/trans/power steering, need to drain the engine and install engine coolant temp and instrument cluster sensors.
Exhaust has been very stressful, there is about 1/4" of room around the driver side exhaust and the flaming river u-joints....I wish there were slim versions of these, I need to see if Flaming River has something else perhaps.
Driver and passenger side manifolds done, y-pipes done and I wanted the front pieces to be removable just like they are on the donor vehicle for serviceability.
The floor of the e30 isn't the same level on the driver side vs. passenger so it made it really difficult to get the driver side and passenger side exhaust to be on the same level yet not hang low to the ground. Still need to remove everything one more time, grind/clean up the welds and perhaps spray the whole thing down with exhaust manifold paint.
Walker ca legal cats, summit 2.25" kit. More than enough for the job.
Rear section is next, took some time to figure out where to install exhaust hangers where it made sense while keeping things neat.
Mtech1 v8 build thread - https://www.r3vlimited.com/board/sho...d.php?t=413205
OEM v8 manual chip or dme - https://www.r3vlimited.com/board/sho....php?p=4938827
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good on you for tackling this yourself. there is a lot of hard work involved. this is the first time i've seen anyone use the split manifolds on an e30. would it have been easier to use the type garagistic modifies?
is that all stainless? you might have mentioned it already, but what muffler is that?sigpic
Gigitty Gigitty!!!!
88 cabrio becoming alpina b6 3.5s transplanted s62
92 Mtech 2 cabrio alpinweiss 770 code
88 325ix coupe manual lachsilber/cardinal
88 325ix coupe manual diamondschwartz/natur
87 e30 m3 for parts lachsilber/cardinal(serial number 7)
12 135i M sport cabrio grey/black
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Doing this with a good friend of mine who's got a welder and have done this before :)
Here is what I used:
exhaust kit - https://www.summitracing.com/parts/sum-670145
hangers - https://www.summitracing.com/parts/wlk-36518
ball flanges - https://www.summitracing.com/parts/sum-672322
x pipe - https://www.summitracing.com/parts/jex-sxp3
stainless muffler - https://www.summitracing.com/parts/mpe-11385
Building the rear section, it's all done now. The front section is on two hangers mounted to a custom brace near the CSB section.
The rear section is using 3 hangers total, factory one on the subframe and two walker hangers before and after the muffler.
second five
front and rear sections
Last edited by Jean; 12-08-2017, 02:00 AM.Mtech1 v8 build thread - https://www.r3vlimited.com/board/sho...d.php?t=413205
OEM v8 manual chip or dme - https://www.r3vlimited.com/board/sho....php?p=4938827
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Mtech1 v8 build thread - https://www.r3vlimited.com/board/sho...d.php?t=413205
OEM v8 manual chip or dme - https://www.r3vlimited.com/board/sho....php?p=4938827
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Originally posted by flyboyx View Postgood on you for tackling this yourself. there is a lot of hard work involved. this is the first time i've seen anyone use the split manifolds on an e30. would it have been easier to use the type garagistic modifies?
is that all stainless? you might have mentioned it already, but what muffler is that?
Pipes aren't stainless, just the muffler so I'll be spraying it all down with high temp header paint to prevent rust.Mtech1 v8 build thread - https://www.r3vlimited.com/board/sho...d.php?t=413205
OEM v8 manual chip or dme - https://www.r3vlimited.com/board/sho....php?p=4938827
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