Here is a cool article about the BMW 318is.
I hope the Google translation works. You may need to scroll down the page a bit to the “BMW 318is E30 Story”, and then click on the "read more" arrow. Nice photos, too.
We are still researching our engine swap. The question of today is: can we convert a later model m62 engine to run with the earlier model OBD1 electronics? The older engine management system is much more "user friendly" and easier to tune. Since the engine is going to be operating in a vehicle of approximately half the weight it was designed for, being able to make tuning adjustments is necessary. It will take someone – our mechanic – with great knowledge of these systems to make this work.
The parts car is giving up quite a stack. The intake manifold, along with its connected wires, cables and hoses came off. The brake booster and alternator came off, too. All of this will be adapted to the engine going into our car. Perhaps we will need the engine timing covers, too.
The x5 exhaust manifolds arrived via FedEx. They are much smaller than the ones on our m62 engine. The driver and passenger side are different in configuration (beyond just right and left), but they both take four cylinders and merge them into a single exhaust pipe. There will be more “tailoring” required, but these are a big step in the right direction.
The little 318is is still waiting untouched. It took longer to find and ship the parts for the engine than we anticipated. Until we are ready to actually prepare for the new engine installation, there is no need to begin the disassembly.
Which brings to mind, there will be a running drive train from a 318is with only 140k miles for sale soon. If you know someone with an interest in a very nice upgrade to an e30 or maybe a 2002 BMW, let us know.

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