saw this on eBay
"This manual will show you step by step how to remove the unit, fix it and replace. It should take you about 1 hour (or less).
All you need is a screwdriver, no other tools or technical knowledge is required. "
cant be this simple can it? i do recall that on the A3 forum someone IIRC recommended to heat the DIS connections. however it had mixed reviews and experiances