inputs.text: good rear dash speaker upgrade bmw - installed bmw 3series e90 rear dash single dynamic speaker no tweeter side looking improve quality sound rear within 100 range twoway jbl gto429 certainly brings better soundsince bmws amp already crossover distribution multiple speakers suspect rear dash fed midrange frequency single speaker system jbl speaker supports low 75hz high 21khz range pretty good coaxial speaker bmws come subwoofers underneath front seats achieve upgrade better clarity upper midlows midhighs giving warmer tone thus drum snare tomtoms punchy guitars fatter tone brass instruments piano warmer sound high freq bit crisper stock speaker not really something impressed would nice tweeter support upto 22khzmy reference music jazz popmotown best four play jazz koinonia jazzrock tracks gazoot frontline chuncho michael mcdonald motown 2 chose music since covers good bass lines brass instruments piano male female vocals drumspercussions course guitarssurprisingly speakers despite 3 ohm impedance louder 2ohm belgian made stock speakerinstallation tipsthe jbl gto429 _not_ direct fit bmws 3screw placement improvise due molding placement speakers rear dash cut one upper ear screw jbl speaker using precision hacksaw order fit ears made hard plastic easy cut got hole able reuse stock two bottom screws third single screw top part wedge 1 inch surplus speaker wire gently clamp top speaker rimi prefer solderless installation following tools materials used1 ratchet 516 sae 6point socket unscrew stock speakers1 wire crimpperstripper tool supports 16 22 gauge1 short roll speaker wire 18 gauge1 scosche terminal kit speaker connectors wire connectorsfor interested bmw speaker wire color codes arerear dash speaker driver side yellowred yellowbrown rear dash speaker passenger side bluegreen bluebrown wires thinner 20 gauge sizeto summarize speakers good upgrade price offered dont like going intricacies cutting stock wire building connectors speaker certainly plugnplay speakers bmw bsw bavarian soundwerks focal speakers cost 400but jbl speakers good compromise since rear dash fed midrange frequencies opting pricier highend speakers couldnt really get far however rear dash configured split dedicated tweeter woofer would gone focal ifbmws speakershope review helpspeaker wire gently clamp top speaker rimi prefer solderless installation following tools materials used1 ratchet 516 sae 6point socket unscrew stock speakers1 wire crimpperstripper tool supports 16 22 gauge1 short roll speaker wire 18 gauge1 scosche terminal kit speaker connectors wire connectorsfor interested bmw speaker wire color codes arerear dash speaker driver side yellowred yellowbrown rear dash speaker passenger side bluegreen bluebrown wires thinner 20 gauge sizeto summarize speakers good upgrade price offered dont like going intricacies cutting stock wire building connectors speaker certainly plugnplay speakers bmw bsw bavarian soundwerks focal speakers cost 400but jbl speakers good compromise since rear dash fed midrange frequencies opting pricier highend speakers couldnt really get far however rear dash configured split dedicated tweeter woofer would gone focal ifbmws speakershope review helps