Smog
That's either going to be $1492 or $2492 to fix.
SOURCE: BMW 2003 745LI brought from USA check engine light
I had a similar problem, had it diagnoses and found out it was actually the thermostat not allowing the engine to reach normal operating temperature thus signaling the Cat to throw an emission code. It sounds far fetched but the diagnosis and fix was correct. I had the thermostat changes, fuel injection service, new spark plugs installed all for $350 and I have never seen that "Check Engine Light" again. Plus, my car drives like new with improved gas mileage.
SOURCE: check engine light
Hi!!
Take vehicle to an AutoZone, checkers or other AutoParts store to have the computer scanned. This is free service they provide to customers. You'll get a printout with the Trouble Code # and description.
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SOURCE: We just purchased a 2003 745Li BMW. My wife pushed
In Your BMW is a electronic park brake and solution nr 1 (Kato tech) is using for manual park brake system! In to service users manual book described as the brake trigger for the ride. When you put the car on the diagnosis, find out where and what is wrong. Certainly do not look for error as there is a solution No.1
SOURCE: 2003 bmw 745li vibration at take off
The engine will be going to a few poor rolls of ignition. It makes a bad ignition coil! A common problem with 745i
SOURCE: I have a same problem in my BMW 745LI 2003. it
Check the seep hole on the water pump. This is an indicator of a water pump going bad. it will leak intermittently to warn you that it is going bad.
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