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E21 (1975 - 1983)

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Old 12-05-2010, 07:47 PM
hsmith122 hsmith122 is offline
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Location: florida
Join Date: Dec 2010
Posts: 1
Mein Auto: 83 320i, 05 srt4
Turbo ??

is it possibly to find parts to turbo charge a m10? if not what motor(s) can i swap in to turbo charge it. i have a 83 320i
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Old 12-17-2010, 10:54 AM
mfischer mfischer is offline
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Location: alabama
Join Date: Apr 2010
Posts: 10
Mein Auto: 99 528, 82 320
i am building one, everything has to be custom made. no swap kits available. if you run megasquirt it will be easier on you. you will need to swap to an electronic injection setup off of an 84-85 e30 318.
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Old 05-05-2011, 10:38 AM
uberpanzer uberpanzer is offline
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Location: San Diego
Join Date: Feb 2003
Posts: 72
Mein Auto: E30 M3
There were a couple of kits available back when the cars were new, every once in a while they pop up on eBay or over on bfc. The main one is (was) the Century Turbo Kit, using components put together by BAE in Orange County CA. Don't bother trying to contact the company, they dissolved back in the mid '80s when the owner passed away. The kits ran RayJay turbos that are now very hard to find parts for anyway. Callaway also made a kit for the e21 M10, but they are even more rare to find. Best bet currently is to contact Top End Performance in LA CA. They sell an exhaust manifold to bolt up the turbo, then you can sort the piping locally.

Depending on how much you want to boost, you don't have to go to Megasquirt or anything like that. The CIS is capable of supporting about 9-10 psi with basically no modification. Some Volvo 240 Turbo parts (also CIS) make things a little bit easier, namely the vacuum canister for the distributor and the warm-up regulator (to add some more fuel under boost conditions).
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Old 12-13-2011, 02:04 PM
letsgomattmoore letsgomattmoore is offline
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Location: New York
Join Date: Sep 2011
Posts: 36
Mein Auto: 1990 325i
I saw a few kits on like the 9th page of ebay. If that doesn't really do it for you, you can probably swap an m20 engine and turbo that.
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