Skip the auto shop - Our mechanics make house calls

Q: Misfire - 2003 BMW 320i

asked by on

ENGINE miss fire has had coil packs replaced plugs replaced was told by the garage that it was the eccentric shaft sensor so had that replaced and new rocker cover gasket as was leaking but the problem is still there any ideas

My car has 92000 miles.
My car has a manual transmission.

Hi there. Typically when a professional mechanic is trying to diagnose an engine misfire, the first thing they’ll do is download any OBD-II error codes to pinpoint the source of the ignition issue. Without knowing those codes, telling you what might be wrong with your 2003 BMW is virtually impossible. My advice would be to contact a different local mechanic and have them complete an engine is misfiring inspection first; before any other mechanic starts guessing as to what might be wrong.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. Misfire - 2003 BMW 320i

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Spark plugs blowing out

Hi the problem could be stripped threads in the head. Old threads must be tapped and cleaned up. Insert the Helical to ensure the new threads are parallel with the originals. Continue tapping and threading the new oversize threads. Coat...

Q: Fuel issues - 1999 Chevrolet Venture

Hi there. You may have a misfiring plug or plug wire that has not caused the Check Engine Light to come on yet, but may have stored a code. Have the computer scanned first. You may just have a carbon...

Q: Camber is having a large offset

Hello, thank you for writing in. The majority of the issues with driving on excessive camber stem around excessive wear to steering and suspension issues. If something is failing, and you continue to drive on it, you always risk having...

Related articles

How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.