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      01-29-2013, 06:04 PM   #74
dandog
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Drives: e93 335i m sport convert 07
Join Date: Nov 2012
Location: london, uk

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My car runs perfectly, no issues anywhere it was reading 298bho on the first dyno run with no fault codes or errors. Then the map was out on. This map has been used on other 335i and I saw their charts. I should of got 360bhp at least out of the map. But when dynoing with the new map it started of well. A good 20-30bhp than standard and torque was exceptional higher. However when hitting the 3500 rev the pressure dropped, this was shown on his diagnostic kit that was monitoring the engine. When it hit 200bar the pressure dropped and the bhp levelled off. However there were no codes no faiults shown. How can I find out what the issue is?