Audi A4 The Audi A4 model offers nimble handling and performance that makes it one of the leading cars in its class. Read more about the Audi A4 in the Audi A4 review.

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Oct 19, 2013 | 01:38 PM

sustreaniosif

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1st Gear

Joined: Oct 2013

Posts: 1

hi i have an Audi A 4 Quattro from 1999, and i want to chance the turbocharger, for more horsepower. what sould i buy? ko3 or ko4? but the thing is i dont know what is my original turbo. can u guys help me out please? thanks!

Last edited by sustreaniosif; Oct 19, 2013 at 01:42 PM.