The "hex-com" connections are actually better than the serial one, but only the later cars can use this. I don't know about your V6 - the VAG-COM website and their tech support can help you with that. The "hex" interface supports a much higher sample rate.glyphin said:I just ordered a laptop, and I've always wondered what my V6 torque curve looks like, so maybe a VAG-COM is in my future. Just started reading about it. Is the serial connection significantly better?