BMW 740iL Ignition Coil Replacement Costs

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Ignition Coil Replacement Service

How much does a Ignition Coil Replacement cost?

On average, the cost for a BMW 740iL Ignition Coil Replacement is $560 with $420 for parts and $140 for labor. Prices may vary depending on your location.

Car	Service	Estimate	Shop/Dealer Price
1998 BMW 740iLV8-4.4L	Service typeIgnition Coil Replacement	Estimate$995.00	Shop/Dealer Price$1211.30 - $1846.03
1993 BMW 740iLV8-4.0L	Service typeIgnition Coil Replacement	Estimate$2091.27	Shop/Dealer Price$2580.80 - $4042.17
1995 BMW 740iLV8-4.0L	Service typeIgnition Coil Replacement	Estimate$2084.87	Shop/Dealer Price$2572.84 - $4029.44
2001 BMW 740iLV8-4.4L	Service typeIgnition Coil Replacement	Estimate$985.99	Shop/Dealer Price$1199.24 - $1831.68
1994 BMW 740iLV8-4.0L	Service typeIgnition Coil Replacement	Estimate$2084.87	Shop/Dealer Price$2575.42 - $4033.95
1997 BMW 740iLV8-4.4L	Service typeIgnition Coil Replacement	Estimate$985.99	Shop/Dealer Price$1199.49 - $1832.11
2000 BMW 740iLV8-4.4L	Service typeIgnition Coil Replacement	Estimate$1440.23	Shop/Dealer Price$1767.07 - $2740.21
1999 BMW 740iLV8-4.4L	Service typeIgnition Coil Replacement	Estimate$1440.23	Shop/Dealer Price$1767.04 - $2740.16

Show example BMW 740iL Ignition Coil Replacement prices

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.

Ignition Coils

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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Pierre

7 years of experience

223 reviews

Pierre

7 years of experience

by Mark Pierce

740iL 1998 - Brake System Inspection - Weymouth, MA

Absolutely Grateful for the knowledge he had, the many small things he pointed out to me, that ment a lot. Looking forward to making sure the gets exactly what it needs, for me to enjoy it! Thanks Again! :Mark C. Pierce 98 BMW 740 il

Edmar

17 years of experience

249 reviews

Edmar

17 years of experience

by Joshua Gilmore

740iL 2001 - Serpentine/Drive Belt - Dallas, TX

This guy is a Doctor when it comes to vehicles, fixes cars with surgical precision. Edmar always does a great job. If you want your vehicle done right then don't hesitate and book him now!!

Edmar

17 years of experience

249 reviews

Edmar

17 years of experience

by Joshua Gilmore

740iL 2001 - AC Belt - Dallas, TX

This guy is a Doctor when it comes to vehicles, fixes cars with surgical precision. Edmar always does a great job. If you want your vehicle done right then don't hesitate and book him now!!

Edmar

17 years of experience

249 reviews

Edmar

17 years of experience

by Joshua Gilmore

740iL 2001 - Air Pump - Dallas, TX

Edmar is a very awesome mechanic, he is very knowledgeable and courteous. He worked on my BMW and got it done in a timely fashion and smiled the entire. I will definitely recommend him for any of your car/truck needs. Keep up the great work Edmar!

Excellent Rating

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