Hoping its as simple as it sounds!
Step 1: Download the zip:
http://199.192.200.202/N54-Injector-Coding.zip
Step 2: Download the PDF:
http://199.192.200.202/DIY-N54-Injector-Coding.pdf
Step 3: Follow the instructions in PDF.
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Car: e91 330d with Viezu map
Gone but not forgotten: 2010 Jaguar XFR (Cat-back exhaust, pulley, intake mods and map), Highly Modified E90 335i LCI M Sport Manual (circa 480BHP/500lb ft)