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BMW straight-4 in a bug?
72RSbug - June 11th, 2006 at 11:13 PM

I have a 93 1.8 4-cylinder bmw engine and might want to put that in my bug since I already have a cooling system, big brakes and the workes and my EJ20TT won't work.

Anyone done this conversion or seen it done? Haven't measured things up yet but it isn't a big engine 118hp won't be bad in a lightweight bug.

seagull - June 12th, 2006 at 12:44 AM

why wont the tt run ? looked back through the post but could not see any thing

72RSbug - June 12th, 2006 at 02:25 AM

Quote:

why wont the tt run ?



had 6 wires on the secondary turbo side melted against the turbo, replaced them and 1 broken injector but ony thing that happens now when applying power to the system is the ECU's relais that clicks and nothing more.

Maybe next week a guy is coming over the check all the wiring and the sensors with special equipment (oscilloscope). Also, since there are very very few subaru's in my country and it's a JDM engine I can't simply take it to the local dealership and have a read out to find the problem.

gull - June 12th, 2006 at 10:03 AM

Convert this to a single turbo , get an aftermarket ecu , and you have 190 at the wheels

TT ecus require the speedo connected from the subaru + the fuel gauge from what I can work out .

you need also speed cut VSS drive

kevo - June 12th, 2006 at 01:01 PM

i agree dude, dont cut your losses with the suba just yet,
get your handa on a single turbo, and make or find the exhaust manifold and exhaust n get a new ecu. From there you can buy straight up wiring loom kits which plug right in!

what country you in by the way?

72RSbug - June 12th, 2006 at 05:51 PM

Quote:

what country you in by the way?



Belgium

My initial plan was to put in a rotary but turns out there only 10 RX7's where ever seld here and my friend had 1 of them + a 2nd engine but he was keeping it as a backup.

72RSbug - June 12th, 2006 at 05:53 PM

If I can buy an intake+ outlet manifold, stock turbo or bigger + an ECU that doesn't require a engineer's diploma to work with I'd swap the bits over but over here there's not even a chance of finding that.
Already contacted outback motorsports in the US and Australia about it without reply

gull - June 12th, 2006 at 06:08 PM

Ok you need a ej20T single turbo & inlet , afm,and full harness ( cut down the loom )

I find sunspairs email adress they can help you with all the bits and a cut down loom

stay with subaru just piss off the twins

72RSbug - June 12th, 2006 at 06:11 PM

Just thought of something, my TT engine has 4 seperate coils for each spark plug.
From what I've seen most single turbo engine's have 2 coil pack, how will this match up to the spark plugs? I mean are the holes where my coils fit the spark plugs the same as on a single turbo?

GTMac - June 14th, 2006 at 10:46 AM

Definately go Sunspares in QLD. A wiring harness ready to plug in cost me A$250 with all the instructions for an idiot included. They will have all the gear you need incl. TD04 and stock ecu etc.

Sunspares Recyclers
9 Pioneer Rd Yandina 4561 (07) 5472 7222