Comes out of an '86 325es. Cars with this chip, it is a huge difference. I've had the chip for several months and it's the quickest and easiest thing you can do to gain 20hp. You will have to run 91 octane.
will fit 325/e/es' w/ 027 ecu. Its 100% functional.
will fit 325/e/es' w/ 027 ecu. Its 100% functional.
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