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BMW Tech and Performance
Engine Tech
Rebuilding the M54B30
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<blockquote data-quote="ess530i" data-source="post: 361233" data-attributes="member: 13496"><p>pre throttle... what you mean by minimal room?</p><p></p><p>could it be the stock engine compression (10.2:1) generating too much heat for FI? even before upping the boost & meth/water system the car was driving with pretty consistent knocking whenever the ambient temp is above 30degrees C. when below 30 the drive is much smoother & powerful. we've another forumer here with a TS2 kit comin up soon, let's see if he faces any knock issues in hot days. i always thought the ECU would cut back whenever there are knocks, maybe it did but still fail to save the engine</p><p></p><p>ramsing... yea the plugs seems kinda whitish. i'll snap a photo when i have a chance...</p></blockquote><p></p>
[QUOTE="ess530i, post: 361233, member: 13496"] pre throttle... what you mean by minimal room? could it be the stock engine compression (10.2:1) generating too much heat for FI? even before upping the boost & meth/water system the car was driving with pretty consistent knocking whenever the ambient temp is above 30degrees C. when below 30 the drive is much smoother & powerful. we've another forumer here with a TS2 kit comin up soon, let's see if he faces any knock issues in hot days. i always thought the ECU would cut back whenever there are knocks, maybe it did but still fail to save the engine ramsing... yea the plugs seems kinda whitish. i'll snap a photo when i have a chance... [/QUOTE]
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