newtz10

I'm planning to chip my 2003 A4 1.8T. BUT i don't want to touch my stock ECU... Where can i get a spare ecu?

Thanks.

17alpha

You can either get it from an Audi dealer parts department, or most chip tuners have them as well.

weeeeeeee

and feel them out, and check to see if they seem chip "friendly" or not

JeffPGH

I believe, starting with the B6s, Audi instituted a new policy of requiring a swap for the original when issuing a new ECU.

hybrid

There is also a security feature in the new ECU that has to be cloned. As of right now, I think the only way to copy it is to 1. take to Dealer or 2. unsolder the chip from the board of the ecu.

IBD SV

I think APR is selling them but they need to clone your ECU

Gandalf The Silver

I think they only do that for pre-2002's.

weeeeeeee

wouldnt make much sense to go to an audi dealer and buy an "extra" ecu so you can chip the other if they will ask for the "old" one in return.

doesnt make much sense

am i missing something?

Gandalf The Silver

On the B5 A4's, you could buy a spare ECU, get it chipped, then "swap" it with the stock ECU before a service visit.

For the B6 A4, you can no longer get a spare ECU. The reason you cannot get one is because Audi now requires that you turn in a defective ECU first, before they will sell you a new one...in other words, before Audi will sell you a spare ECU, you need to "swap" an old one for it.

I currently do not know of any non-Audi sources for a spare B6 ECU :-(

weeeeeeee

to sell me a spare ecu. the hassle would be to have it programed like the first, so everything would work, including keys.

but then the problem remains. how can you chip while buying a spare ecu, when you have to turn in your other, the one you wish to chip?