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      02-16-2012, 04:35 AM   #179
Beedub
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Drives: 2007 Z4 M roadster vt2-500
Join Date: Sep 2007
Location: UK

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Quote:
Originally Posted by IronZ4M View Post
haven't made it yet. beedub a flying question LOL did you just fill the race fuel into the tank or you have to turned to another map that already made for the race fuel like HPF did? becoz I'm not sure if I'm going to gain extra power and I'm not really sure if the race fuel I bought is the proper one to use? which one do you think is the best one to use?

yeah i just throw it in the tank..... the dme adapts to the better quality fuel and you get more power, its a very different think on the hpf setups as they run more boost, timing ect ect... our boost is the same, our ecu just advances the timing and gives you alittle extra...... true 100 octane will make the world of difference but its not just the power, its the smoothness of the power and the way the engine behaves on better fuel, you should feel it pretty readily!!

One of the main reasons i run a catch can is because the oil that our engines ingest as part of the breather sytem alters a/f ratio, lowers fuel octane increasing chance of detonation..... i feel so much better with it in place...
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