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Interesting BMW 318i w/12A

Old 01-17-07, 07:39 PM
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Interesting BMW 318i w/12A

I'm not selling this car. This thread is just to let people know about it and to discuss the conversion.



I went and had a look at this guy's car.

http://portland.craigslist.org/mlt/car/262499624.html

He isn't kidding when he says you'll have to finish up the small stuff. To make it driveable, you need to lower the front suspension, get it aligned, install a choke cable, and install a couple of gages (oil pressure and water temp), and really a lot of other little things.

I would be buying this car for myself but I simply have too many projects on my hands already.


It looks like a pretty simple conversion. We discussed how he did it at length. The biggest issue was how to mount the motor such that it fit between the hood and the steering rack. His solution was to relocate the steering rack (down) about an inch. However, it looked like it would change the geometry of the steering enough to make it bump-steer (not sure, didn't drive it). His next idea was to remove the stock air filter box and install a lower profile adapter without relocating the steering rack. The lower profile setup would have a remote air filter like on 2nd gen and up RX's. Since 3-series cars are commonly found in junk yards, it wouldn't be hard to replace the crossmember and restore the steering to its original geometry.

With a 2nd gen tranny it acutally lined right up with the stock shifter hole. He used a combination of BMW and RX-7 parts to make the tranny mount, and made a very short hybrid driveshaft (since the 7 tranny is so long). With this combination, the stock oil filter pedistal is just ahead of the brake booster (any further back, as could be done with a 1st gen tranny, would require a oil filter relocation).

Many other details are in his ad description.


Pretty cool car, I might be tempted to do something like it in the future, if I came across a decent 3 series with a blown motor.


Again, I'm not selling this car, just thought it was a cool setup. I would have bought it if I had the time to work on it. If someone here is interested in it I could give pass along your contact info. He is something of a rotary dude himself and had a few '70s rotaries back in the day. It would be nice to see this car go to someone who can appreciate it.
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Old 01-17-07, 08:19 PM
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If I Sell The Integra And It Is Still Available I Will Buy It. Of Corse I Would Have To See The Car First.
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Old 01-18-07, 12:02 PM
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I wish I could buy it, Id rather have that than the 86 body I chose
wonder what rear he went with? probably the stock one, those BMW rears can take a beating

(then agian, a stockport 12A will never put out enough to break a bimmer rear)
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Old 01-18-07, 02:09 PM
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Yeah, it is the stock rear. It is a LSD, and supposedly has the speedo pickup in it (so that gage should work). The only thing I didn't like about the rear was the drum brakes.
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