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E36 (1991 - 1999)
The E36 chassis 3-Series BMW was a huge hit among driving enthusiasts from the first moment the car hit the pavement. The E36 won numerous awards over the years it was produced and is still a favorite of many BMW enthusiasts to this day! -- View the E36 Wiki

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Old 08-13-2019, 07:13 AM
HerpDerp1919 HerpDerp1919 is offline
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Mein Auto: 1995 325is - Project
M44 to M50 swap questions

So, I scored a sweet deal on 96 318is that the body and interior are 10x better than my 95 325is. Does anyone have any good links for swapping the M50 into the 318? As far as I've found in my research, the only issue I could think of is that the 95 should be OBD1 and the 96 would be OBD2. But since I have two complete cars, Is there anything else that I may not be thinking of? Or should I be okay as long as I use the DME from the 95 in the 96 318? Both cars are manual, only difference is the year and the engine/transmission
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Last edited by HerpDerp1919; 08-13-2019 at 07:15 AM.
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  #2  
Old 08-13-2019, 04:43 PM
spyderg0d spyderg0d is offline
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Location: oneida, ny
 
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The laws on emissions of engine swap cars very state to state. Here in NY you have to be emissions compliant for whatever equipment is newer in year, whether the chassis or the engine.
So, you would have to be obdll compliant for the 318. M50 is not obdll.
But like i said, there may be ways around it in your state.
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Old 08-13-2019, 04:48 PM
spyderg0d spyderg0d is offline
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Location: oneida, ny
 
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But to be on the mechanical side.. Yes.. Theres alot more.
I swapped engine, trans, driveshafts, rear subframe with diff, axles, rear trailing arms (for the axle flanges to fit). The exhaust is an obvious one too. The dme and engine harness is a must as well. And I think the fpr is needed if its an m50tu.
Youl need the front lower rad mounts, the larger rad, the engine mounts and arms. And i think the throttle linkage is different, depending if it has cruise control as well. But them again, i went from m42 to m50 so it may be alittle different.
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Old 08-13-2019, 04:49 PM
spyderg0d spyderg0d is offline
Screamin demon
Location: oneida, ny
 
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Mein Auto: 1995 325ic
Oh. And i recently came across the rear subframe mount bolts that should be replaced with larger 325/328/m3 ones. If not also with subframe reinforcements.
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Old 08-14-2019, 07:41 AM
HerpDerp1919 HerpDerp1919 is offline
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Awesome, I'm in Texas so there's not any year regulations, just have to keep all factory emissions equipment, but im in south Texas and they don't check emissions where I'm at (yet). Hopefully shouldn't be too bad since I have two complete cars
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Old 08-14-2019, 07:45 AM
HerpDerp1919 HerpDerp1919 is offline
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My whole plan was to pretty much pull everything from the engine bay of the 325, along with transmission and driveshaft, then put it all into the 318. I'm gonna have to figure something out for the rear subframe since I'm doing this all in a small apartment garage.
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