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Factory N55 pump Pump flow 2900psi (200bar): 115lph
While coils do not increase horsepower unless the coil they are replacing are not doing their job the factory coils are lacking in proper output so much that all cars tested (stock or heavily modified) gain 20+ whp and 20+ wtq
Stage 4 Pump flow 72psi (5bar): XXX GPM
Gasket Type: OEM Spec manifold gaskets (commonly found in BMW N54 applications)
Stage One BMW Speaker Upgrade for E84 X1 with Standard Hi-Fi/Premium Top Hifi F15 Factory N55 pump Pump flowGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS We took your factory BMW speakers and re engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music. PLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: We engineered the Stage One speakers
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