Description
So I got a new(er) car and had to have bass. The subs are 2 x JBL GTi MKII 10", amplifier is Sundown 1000D. Everything else is stock. It required some work to tap into the factory system but it was worth it. btw I installed it myself :)
Keywords
bmw, 540, e39, jbl, gti, sub, woofer, amplifier, 540i, bimmer, beamer, sundown, bass, custom, cars, engine, mod, install
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