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BMW 318ti Rough Idle

Learn if it's a simple fix or time to seek out a trusted technician.

What are common reasons my BMW 318ti has a rough idle?

While there are a variety of reasons your BMW 318ti has a rough idle, the most common 3 are a vacuum leak, an issue with the spark plugs, or a problem with the ignition coil.
34%
of the time it's
Vacuum Leak
21%
of the time it's
Spark Plugs
15%
of the time it's
Ignition Coil

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Related BMW 318ti Questions

See what others are asking about their BMW 318ti. Get answers from RepairPal's community of auto experts and enthusiasts.
when i start my car runs fine n idle okay but wen i give it gas tha car sputters i dont no wat tha problem is can any...
i changed the plugs and lost all kind of power idle a lil rough but not to bad cant get over 50mph no power goin up h...

BMW 318ti Rough Idle Repair Symptoms

A failing ignition coil will create misfires in the engine, and lead to hesitation, extreme power loss, engine stalling, poor fuel mileage, and illumination of the check engine ...Read More
As we discussed, spark plugs are necessary for any gasoline engine to run. When they fail, the engine is in a constant state of attempting to ignite air and fuel, but cannot. Th...Read More