cheap car insurance germany

I take my new car abroad for 12 months, how can I get a cheap car insurance?
I have a new car (new or used car) I want to take to Germany for 12 months. An insurance company quoted me £ 8000! What are the best companies to get an appointment? Anyone who can that this policy framework, or will charge a reasonable fee for a green card at the top of the normal insurance policy.
try AA, but many countries which only have 6 months to live in Spain and that befor 3 months must re-register the vehicle
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