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Old 01-11-2013, 09:25 AM
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E36 Phantom E36 Phantom is online now
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Join Date: Apr 2007
Posts: 20,496
Mein Auto: Dreier, Fünfer & Siebener
Quote:
Originally Posted by LuckyFlop View Post
errr.....reflash? no clue what that is..??
On older cars and the M50 BMWs, the fuel maps and other engine control data are hard coded onto a removable EPROM chip. Simply pop out the chip and put a new one with different parameters and your engine program is different from

Newer OBDII cars don't have these removable chips. Instead you plug a unit into the OBDII port and it will upload the new programming to the DME. This is called a reflash.

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Quote:
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