Product description: - Adjustment of your VR6 ECU according to your specifications (Before you order, send us an email at info@turbo-parts.de with the modified parts and the ECU number and we will check if we have something for this)Procedure: - You must send your ECU to us. Once the ECU has arrived, it takes about 2 business days until it is shipped back to you. Shipping then takes about 1-3 days to you. - Please specify which parts you have installed, i.e., which parts have been replaced compared to the original ones. Either write an email or include a note with the ECU.Address: Send the ECU to us at this address:Turbo Power UGZiegeleiweg 2625421 Pinneberg