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Old 10-03-2012, 08:38 PM   #18
OEM ///Member
Join Date: Nov 2009
Location: Fairfax, VA USA
Posts: 23,021
My Ride: 330CiC, M5, X5, E93
Keep in mind you may need a common ground point for you amps and head unit as well. Also make sure you high power amps are fed from the battery and not a point close to the front of the car.

Keep in mind the battery is the best noise filter in the car.
Solve your misfires, lean codes, rough idle -

Fuel pump failures -

Temp Info -

Hidden OBC Menu - Check Voltage, Temp, Fuel Level -

E46/E39 GM5 Door Lock Info -

Lower hose temp switch O-ring - BMW #13621743299
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