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BMW 525xi 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 525xi Ignition Coil Replacement is $625 with $485 for parts and $140 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
2007 BMW 525xiL6-3.0LService typeIgnition Coil ReplacementEstimate$1124.36Shop/Dealer Price$1373.00 - $2104.75
2006 BMW 525xiL6-3.0LService typeIgnition Coil ReplacementEstimate$1115.35Shop/Dealer Price$1360.90 - $2090.33
Show example BMW 525xi 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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Number of BMW 525xi services completed
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services done by our mechanics
TOTAL NUMBER OF EXPERT BMW MECHANICS
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Willie

25 years of experience
158 reviews
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Willie
25 years of experience
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by Daniel
BMW 525xi L6-3.0L - Steering wheel is hard to turn - Anaheim, California
Willy was great, very knowledgeable and great energy.

Keith

19 years of experience
406 reviews
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Keith
19 years of experience
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by Gregory
BMW 525xi L6-3.0L - Valve Cover Gasket - Orlando, Florida
The price quoted was $741.34, why was I charged $$827.19, what caused the change in service.

Michael

17 years of experience
606 reviews
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Michael
17 years of experience
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by Khallim
BMW 525xi L6-3.0L - Car is overheating - Norcross, Georgia
Outstanding Experience very knowledgeable Very professional diagnosis problems and provides solutions fast. High-Quality service highly recommend!!!!!

Danny

12 years of experience
269 reviews
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Danny
12 years of experience
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by Waties
BMW 525xi L6-3.0L - Serpentine/Drive Belt - Philadelphia, Pennsylvania
Excellent service

Excellent Rating

(13)
Rating Summary
12
1
0
0
0
12
1
0
0
0
Number of BMW 525xi services completed
143+
services done by our mechanics
TOTAL NUMBER OF EXPERT BMW MECHANICS
1200+
experts on our platform
Yourmechanic was featured in

New York Times NBC CBS Forbes INC Tech Crunch

Learn more about us

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