2nd Gear Member
Join Date: Dec 2007
Location: Germany (for a while now!!!)
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I would be somewhat leery by getting a chip from ebay. Some of the chips are not burned the way they are supposed to and some people wind up damaging their ecu's and even worse their engines.
If you want to get some power the right way, look around adn spend yoru money the right way. Turner Motorsports and EAT are pretty good brands and are worth their money. Also if something goes wrong after you install their chips you can always contact them to get matters fixed, I doubt seriously that you can do that with Ebay or their sellers. Before you jump into mods that you might regret later, follow these simple steps
1. What kind of power are you looking to produce from your engine
2. How much money are you willing to spend on those mods
3. Research!!!!!! The web has a ton of info adn I have used it alot in the past with great results
4. Don't cut corners. If you do, eventually you WILL regret it down the road.
93 525i, You need to see what kind of engine you have in your car. On the M20 style engines a chip will do. But if you have a nore updated engine, your ECU might need a reflash.