BMW 1 Series M Ignition Coil Replacement Costs

Car	Service	Estimate	Shop/Dealer Price
2011 BMW 1 Series ML6-3.0L Turbo	Service typeIgnition Coil Replacement	Estimate$276.55	Shop/Dealer Price$341.94 - $481.87

Car

Service

Estimate

Shop/Dealer Price

2011 BMW 1 Series ML6-3.0L Turbo

Service typeIgnition Coil Replacement

Estimate$276.55

Shop/Dealer Price$341.94 - $481.87

What is an ignition coil and how does it work?

An ignition coil transforms ignition voltage (12 volts) to the very high voltage pulses (20,000 volts or more) that fire the spark plugs. The number of ignition coils varies depending on car model and year of production. Older cars will have one coil covering all engine cylinders while newer cars may have a coil-on-plug type arrangement — that is every cylinder will have its own dedicated ignition coil.

When to consider replacing an ignition coil:

Hard starting or no start. Ignition coils are subject to heat damage and electrical overload, both of which can cause partial or total failure. If the coil is faulty, you may have difficulty starting your car or it may not start at all.
Misfiring, loss of power, poor acceleration. Once the car is running, a bad ignition coil can cause poor operation of the engine. Should you have misfiring or loss of power, faulty ignition coils would be among the list of causes a mechanic would investigate. The Check Engine Light will often come on with a trouble code(s) indicating which cylinders are involved.

How do mechanics replace the ignition coil?

The ignition is checked to assure it is in the “off” position.
For single coils that supply all cylinders, the coil is disconnected from either a bracket located in the engine compartment or, in some cases, is removed from within the distributor. The replacement coil is secured and all electrical connections reattached. If the distributor was removed for any reason, the timing is adjusted as required.
For individual coil-on-plug applications, the coil is detached from the top of the individual spark plug and replaced.
Once the coil is securely in place, all electrical connections are reattached, and timing adjusted as needed, the car is road tested to ensure normal operation.

Is it safe to drive with an ignition coil problem?

Yes. A malfunctioning ignition coil will cause loss of power and lower fuel efficiency but that will not present an immediate safety issue. If the coil malfunction is causing misfiring, this will allow unburned fuel to enter and permanently damage the catalytic converter from overheating.

When replacing an ignition coil keep in mind:

Ignition coil failure can be caused by faulty spark plugs or wires. The mechanic will inspect and may recommend replacement of those components.
In a coil-on-plug ignition system, if only one coil fails, you need only replace the faulty coil. Remaining functioning coils can be left in place.
In systems with the coil located in the distributor, it may be more cost-effective to replace the entire distributor rather than remove and replace just the coil.

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Robert

20 years of experience

1089 reviews

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by Joshua

BMW 328i xDrive L4-2.0L Turbo - Ignition Coil - Denver, Colorado

Great work!

Jonathan

13 years of experience

51 reviews

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by Gary

BMW 328i L6-3.0L - Ignition Coil - North Richland Hills, Texas

You was a real professional, had very engaging personality and seem to be expert on cars. I told him whenever using Your Mechanic he would be my first choice for the job. Just incredible work.... Thanks Jonathan for job well done.

Joe

43 years of experience

821 reviews

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by Stephen

BMW 328i L6-3.0L - Ignition Coil - Tampa, Florida

Joe did a great job with my 2011 BMW 328i. He showed up early, articulated what was wrong with my vehicle, and efficiently repaired my vehicle. He was a good communicator and also is very personable. I would recommend him to anyone who needs work done.

Patrick

33 years of experience

1408 reviews

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by Blaise,

BMW 528i L6-3.0L - Ignition Coil - Austin, Texas

Very knowledgeable, friendly and gets it done right!!!

BMW 1 Series M Ignition Coil Replacement at your home or office.

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Ignition Coil Replacement Service

How much does a Ignition Coil Replacement cost?

On average, the cost for a BMW 1 Series M Ignition Coil Replacement is $176 with $81 for parts and $95 for labor. Prices may vary depending on your location.

What is an ignition coil and how does it work?

When to consider replacing an ignition coil:

How do mechanics replace the ignition coil?

Is it safe to drive with an ignition coil problem?

When replacing an ignition coil keep in mind:

Meet some of our expert BMW mechanics

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