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Ships within 48 hours · Estimated delivery Aug 21 - Aug 26
It allows for factory integration with the ECU for multiport fuel injection
Stage 1 E30 octane: up to 19%HP / 26%TQ
One OTS map/tune included with the purchase
The following diagram shows how it is installed so that the Re|Flex AND a bluetooth analyzer can be used simultaneously
they're also built for upgradability
Stage One BMW Speaker Upgrade for E60/E61 Sedan/Wagon with Standard Hi-Fi TIRES It allows for factory integrationGET 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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