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X5 E53 (1999 - 2006)
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Old 07-11-2016, 01:16 PM
Walt216 Walt216 is offline
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Location: Maple hts, Ohio
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Mein Auto: 2004 530i and 2003 x5
2003 BMW X5 fuel pressure

Having some issues with my 03 x5... Running very hard... Low pressure... Acts like it wants to cut off... Codes say low fuel pressure, random misfire, cylinder #4 misfire, closed loop fuel control, insufficient cool temp.... Please help!... Mechanic said maybe tune up or coil pack failure... Also says O2 sensor present low... Says maybe bad catalytic converter...any suggestions?????
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Old 07-12-2016, 07:59 AM
upallnight upallnight is offline
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Mein Auto: BMW, Lotus, Porsche
Have you kept up with any of the routine maintenance such as replacing the fuel filter?
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