DrO

I like the above picture; that is what I am looking to complete. I have a 2003 C4S and I am looking to install a double DIN unit ( maybe a Kenwood 9140) and an amplifier. I concluded that wiring the Kenwood 9140 directly to the Bose speakers may not be a great plan so I will get an amplifier too. Unfortunately my C4S has a fiber optic bus (the MOST) and a BOSE amplifier (in the trunk, next to the spare) that complicates the install. I can overcome the mechanical challanges (cut, manufacture new brackets, buy new covers ....) but I would like to retain the wiring from the BOSE amplifier to the speakers. I plan to install a new amplifier and pull wires from the new double DIN unit to this amplifier (how many channels?; maybe 4 but I counted 6 sets of speakers in the car). Bottom line is that I need the audio wiring for the existing 2003 C4S so I can keep the re-wiring to a minimum plus to correctly connect the new amplifier and the double DIN unit . Let me know if you can help.

I have a 2003 C4S. I just did the spark plugs at 45K. The BERU original spark plugs were gone in my opinion. Porsche recommends change at 60K on the spark plugs but do yourself a service and change them early. The car is in warranty with Porsche but I didn't want to pay for the service plus it gets me to know my car. When I went to the dealer he also suggested to change now the spark plugs; probably he knew that they are gone. Anyhow, I change them with NGK Iridium BKR6EIX; I got good experience with this brand on other cars. After I change them I noticed an improvement in power and the sound of the engine changed for better. The one in the middle and back, behind the diver were the most difficult. You have no choice but to bend the metal shield on this side to get it out. Also prepare yourself to remove the electrical connections on the back of the coils -HV transformers- (that are attached to the end of spark plugs); there is no way to remove them without this maneuver. I used a flat screw driver (to slowly raise the lock and push back) and some funky moves (look where the chop sticks came in handy!). All 6 coils are cracked; I will go to the dealer and ask to change them for free. You let me know what are my chances. The idle is a little unstable. It moves between 750-800 and I tend to blame on those cracked coils (the new spark plugs didn't change the behavior). If you have an idea where to look send me an email. On the passenger side is simpler. Took me 6 hours and I am a handy guy. I have a hand bruised but I am smiling :D .