Ls1 E36 Bmw
-John
Most replace the oil pump ($140), Tchain ($22) at the minimum. If you want to spin it beyond 6600rpm rod bolts are a wise investment ($150).
If you buy an '01-02 LS1 motor (F-body) you get the LS6 intake (+20hp) and slightly better flowing factory heads (+5-10hp) with the improved oil pump/rod bolts.
Remember that doing an LS1 conversion on a Bimmer is an expensive one. An RX-7 is a much cheaper proposal.
Most replace the oil pump ($140), Tchain ($22) at the minimum. If you want to spin it beyond 6600rpm rod bolts are a wise investment ($150).
If you buy an '01-02 LS1 motor (F-body) you get the LS6 intake (+20hp) and slightly better flowing factory heads (+5-10hp) with the improved oil pump/rod bolts.
Remember that doing an LS1 conversion on a Bimmer is an expensive one. An RX-7 is a much cheaper proposal.
I don't believe this to be true. If you are willing to do the fabrication yourself, the lower initial cost of a mid 90's BMW will make the project cheaper in itself.
Parts necessary for a stock motor in either a BMW or RX7 is the same.
Radiator
Cooling Fan
motor mounts with subframe modification
rear trans mount
driveshaft
electrical modification
power steering lines
radiator hoses
Intake hoses
brake pedal modification on BMW/hydraulic clutch master on RX7
About the only part I did on the BMW that I didn't do on the RX7 was ABS relocation. I would probably remove the ABS in the future.
Headers are by far the biggest deal on the BMW conversion. Sanderson at least makes a set of headers for the RX7. There is no one else besides Nash for headers right now on the BMW and they make for some interesting motor mounts. I made my headers. They took me about 36 hours start to finish. If I were to make them over, I would make tri-y's I believe they would fit a lot better in the 3 series.
Matt
Matt
However if you are like me (and many others)and don't have the knowledge or tools to do the custom fab work, we pay thousands for headers, thousands for diff mount/subframe mods....it adds up.
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The parts prices my friend paid for bullshit interior pieces on the RX7 were astronomical. The BMW pieces are pricey, but they probably will be available for a lot longer.
Don't get me wrong. If I didn't have a child, I would definitely be sporting a 3rd gen. I owned before the Hinson era and I loved it. I just need a back seat. I am telling you from experience that the prices are similar. Even with all my own fab work, I still have thousands in it. This **** is expensive.
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I've got around $25,000 invested in just the engine, rebuilt transmission with lower overdrive gears, custom headers, custom pan with accusump, all the mounts, radiator, etc. BUT it is set up for a track car, no power steering (which could easily be added back), no ABS and a GM ASA cam which is pretty lumpy for a street car.
Anyway if someone wanted to have a ready built solution for $10,000 it's their's.
1. LS6 intake ('01-up come w/ it)
2. Ported oil pump
3. Double roller timing chain
4. Cam/valvetrain (may as well now)
You can either buy the cam/valvetrain used off here to save some or there are some nicely priced set ups out there.
http://sites.reachtheworld.tv/waterN...07473&DID=1225
This would be a good set up. $255 for valvetrain and $279 for the cam.
And here is a motor...
http://cgi.ebay.com/ebaymotors/1998-...01827062QQrdZ1
I've got around $25,000 invested in just the engine, rebuilt transmission with lower overdrive gears, custom headers, custom pan with accusump, all the mounts, radiator, etc. BUT it is set up for a track car, no power steering (which could easily be added back), no ABS and a GM ASA cam which is pretty lumpy for a street car.
Anyway if someone wanted to have a ready built solution for $10,000 it's their's.
Expensive parts for me were subframe reinforcement and headers. These two items cost about $2.5k more than my LS1/T56
now you could also buy a 240sx since they are al 4 seaters, the 1995+ bodystyle is pretty damn nice too.
but if you want a 4 door, thats a different story and the BMW is the only option.
What was the subframe reinforcement other than the M3 plates welded to the chassis?
Rear subframe, for differential. Similar to what you see here
http://www.rfdm.com/Randy/BMW/pics/p...Reinforcement/
That's why I did things like spend spend $2500 having the diff rebuilt and beefed up as well as adding lower 5 & 6 gears.
The design of the every component was centered around mitigating any heat issues from the tight packaging. The thought and design put into the routing of every oil line, cooling line and wire by the builder is really impressive.





