BMW 318i Ignition Coil Replacement at your home or office.

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Ignition Coil Replacement Estimate for BMW 318i

BMW 318i Ignition Coil Replacement costs $263 on average.

CarServiceEstimateShop/Dealer Price
1996 BMW 318iL4-1.9LService typeIgnition Coil ReplacementEstimate$566.95Shop/Dealer Price$710.69 - $1086.79
1998 BMW 318iL4-1.9LService typeIgnition Coil ReplacementEstimate$556.95Shop/Dealer Price$697.92 - $1071.94
1999 BMW 318iL4-1.9LService typeIgnition Coil ReplacementEstimate$515.57Shop/Dealer Price$646.20 - $989.18
1985 BMW 318iL4-1.8LService typeIgnition Coil ReplacementEstimate$244.95Shop/Dealer Price$307.88 - $447.87
1995 BMW 318iL4-1.8LService typeIgnition Coil ReplacementEstimate$556.95Shop/Dealer Price$697.95 - $1071.99
1993 BMW 318iL4-1.8LService typeIgnition Coil ReplacementEstimate$291.15Shop/Dealer Price$365.67 - $540.34
1997 BMW 318iL4-1.9LService typeIgnition Coil ReplacementEstimate$561.95Shop/Dealer Price$702.68 - $1076.52
1992 BMW 318iL4-1.8LService typeIgnition Coil ReplacementEstimate$296.15Shop/Dealer Price$371.09 - $546.06
Show example BMW 318i Ignition Coil Replacement prices

Ignition Coil Replacement Service

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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Meet some of our expert BMW mechanics

Real customer reviews from BMW owners like you.

Excellent Rating

(21)

Rating Summary
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Mark

11 years of experience
349 reviews
Mark
11 years of experience
BMW 318i L4-1.8L - Brakes, Steering and Suspension Inspection - Saratoga, California
Mark was awesome!

Jermaine

24 years of experience
188 reviews
Jermaine
24 years of experience
BMW 318i L4-1.8L - Interior Door Handle Replacement (Driver Side Front) - Lanham, Maryland
Good Service

Michael

27 years of experience
95 reviews
Michael
27 years of experience
BMW 318i L4-1.9L - Oil Change - Houston, Texas
First time using this service and had a great experience. Michael was professional, knowledgeable, and got the job done in a timely fashion. Would definitely use this service again.

Berchel

18 years of experience
101 reviews
Berchel
18 years of experience
BMW 318i L4-1.8L - Alternator Belt - Windsor Mill, Maryland
After being rescheduled the mechanic showed up with incorrect part at no fault of mechanic and the process to get the new part was a little difficult. The mechanic eventually Got the new part and was able to complete the job with ease

Excellent Rating

(21)

Rating Summary
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Number of BMW 318i services completed
231+
services done by our mechanics
TOTAL NUMBER OF EXPERT BMW MECHANICS
1100+
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