This works perfectly for my 2003 BMW 325 CI, mine has no H&K Sound and no navigation, this harness is, no lies, plug an play, it's ridiculously easy to use. Just connect it to your factory harness and then join the cables color with color from your head unit, you can also use it for amp integration, just sort out the speaker outputs and connect them to your aftermarket amp, easy as pie, great product. Only gripe is that pins are a little wobbly but they'll never break loose out of the harness and connection is solid. Don't buy [[ASIN:B0002BEVAC Metra 70-9003 Radio Wiring Harness for Audi/BMW/VW 2002-Up]] it does not fit at all, despite Amazon says it does.

Double Din Install Radio Stereo Installation Aftermarket Mount Dash Kit Fits BMW X5 2000-2006 E53 (2000 2001 2002 2003 2004 2005 2006) by Custom Install Parts In Stock. 4,140 results for stereo bmw 325i. VW VOLKSWAGEN Car Stereo CD Player Wiring Harness Wire Aftermarket Radio Install (Fits: BMW 325i) Brand New. 6 product ratings. List price: Previous Price $19.95. Buy It Now; Free Shipping; 136 Sold. 3 new & refurbished from $5.00; FAST 'N FREE. Estimated Delivery Fri, Mar. Snoop Dogg Ft Jamie Foxx I Wanna Rock Mp3 Download. Eonon 7'Android 5.1. BMW E30 3-Series (1983. But everytime I take it out and try to install an aftermarket stereo I bought a new one also just in case it was my Alpine unit it.