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Okay so Saturday 8th December was my collection day, I picked up my 2013 Audi A7 Black edition Quattro S-Tronic, Daytona Pearl grey with an extensive list of extras, this is what made me go for it in the end because sadly I couldn’t find a 245PS model with the amount of factory options mine has. So I went for the 204, so it’s kind of my dream car, BiTDI Black edition is the dream car when the price creeps down to my budget 😅. So Obviously I have it booked in for a Remap Monday from a trusted and highly recommended garage around my area. I am wondering if anybody has the same model as me with a remapped engine and can describe the power increase / Torque. It will go from 201bhp to 255bhp and 450 N.M to 550 N.M. Also how is there different variants of engine? They’re all 3 litre turbo diesel so it is puzzling as to why others produce more power. Bigger turbo maybe? This is is my first post and first ever Audi so go easy in the comments. Thanks for reading and look forward to your reply’s Cal

Hi Dee I think Gareth has already mentioned the earth connections. If it was me diagnosing it in my workshop and I knew the battery was 100% then I would definitely be placing supplementary earth leads onto the engine to ensure the current has a good chance of flowing through the starter motor and reaching the ancillary components at the same time. Sometimes when you remove and refit gearboxes, earth cables can go back on but not make sufficient effective electrical contact, hence the reason for supplementary cables (jump leads will do) to enhance the chassis earth return. Equally, corrosion can set into loose cables (noticeable by green corrosion (verdigris) deposits around the earth connection points).