3-Series (E21, E30)Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.
I recenltly purchased my good friends 1986 325e. A beautiful car, however I know very little about it. My other car is a turbo/awd eclipse. I am not looking to put a forced induction system on this car, but I would like to be able to tune a higher a/f ratio. I have an apexi safc, a laptop, a/f regulator,it even looks as though the intake has been modified with a ss pipe going to a k&n. Now this engine is designed for fuel economy, which i like, however i wouldnt mind expanding my top end power. Sounds like there are all sorts of chips out there, what about software? With my eclipse i could plug my palm pilot in to the serial port and run datalogging software, as well as a few differant software verisons on my laptop. Is there much in the way of speacialized software like this for beemers?
What is the route that most people go to free upsome power on these things? Is there any type of governor system on these cars I should be removing?
Any advice is greatly appreciated, I know you like people to search for their answers first, which I have and will continue to do, but I appreciate any feedback.
I've got a Turner Motorsport chip, it's great. Got some extra power out of it (22bhp, 20ft/lbs), changed the power curve to top end (max hp @ 6000rpm), bumped the rev limit up from 6500 to 7000, killed the top speed limiter.
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