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Old 08-22-2010, 11:07 AM
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645/333 645/333 is online now
Location: uk
Join Date: Jun 2010
Posts: 1,315
Mein Auto: Black Sapphire BMW Z4 3L

Most of the additives are rubbish, but there is one which is used by some major prestige cars on their service and it is GK44 which is readily available in the US. I have used this in my car and is brilliant, not cheap to buy but worth it every 15-20K miles to keep the fuel system clean
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