I brought it to the bmw dealer to fix it 2 times. but the problem is still the same, they changed the vacuum cleaning system, and the throot rubber boot. can you help me with that. i am tired of the dealership
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Service engine soon or check engine light? Engine light needs scanned for codes. Service engine soon is for oil changes and such. To get rid of service lights, turn the key on, press the gas pedal three times within five seconds. The light will flash. turn the key off. it's reset. At least check or change the oil and filter though.
"Loss of Serial Communication Link
- Faulty Engine control Module (ECM)
- Engine control Module(ECM) harness is open or shorted
- Engine control Module (ECM) cicuit poor electricl connection
- Low battery voltage
- Engine Light ON (or Service Engine Soon Warning Light)"
The common joke acronym for "BMW" is Break My Wallet. BMWs are very nice cars but they are somewhat complex and quite expensive to maintain.
Take the car to an auto parts store such as Autozone. They have an OBDII code reader that can reset (clear) the error code. If the code does not come back on, then you're good to go, However, if it does come back on then the fix is have it serviced.
I would take it in to the dealer and ask them for an estimate of costs and if you think it's too much then perhaps find an independent shop to do the work (rather than the dealership).
I think that is scan tool only but most mechanics have the scanners these days so it will be a lot cheaper to go to your local mechanic instead of the dealer. It prob wasn't reset last service if the light wasn't on at time of service.
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.
Error codes not in service manual. presumme dealers can assist you with a pnhonecall for error codes.
BMW SERVICE RESET
Take a small wire, paperclip, or elect wire and bend like a horseshoe. No light or equipment necessary Open the diagnostic data port,the one were the little pacman centre is located. Turn the ignition to position 2, don’t start. Connect pin7 always first and then pin 19. Hold for 4 seconds. Remove wire and settings will be reset. Warning if you hold the wire longer than 10 seconds you may reset inspection intervals 1 and 2.
I’ve done this twice and it definitely work on my E36
take back to dealer. you paid for a solution not a guess. demand they fix it because they should have done it right the first time. remember you paid to have it fixed not have parts changed on it at your expense for no reason.