Ignition Cable (Spark plug wires) Replacement at your home or office.

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Ignition Cable (Spark plug wires) Replacement Estimate for BMW 635CSi

BMW 635CSi Ignition Cable (Spark plug wires) Replacement costs $152 on average. Following is a breakdown of the labor and parts estimates.

YourMechanic Price
$144 to $174
Labor: $70 -$80
Parts: $74 -$94
Average Dealer price
$242 to 280
Average Shop price
$176 to 200
Get an instant quote for your car
Our mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing
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CarServiceYourMechanic PriceShop/Dealer Price
1989 BMW 635CSiL6-3.5LService typeIgnition Cable (Spark plug wires) ReplacementYourMechanic Price$171.16Shop/Dealer Price$221.86 - $316.79
1985 BMW 635CSiL6-3.5LService typeIgnition Cable (Spark plug wires) ReplacementYourMechanic Price$148.92Shop/Dealer Price$194.18 - $272.51
1988 BMW 635CSiL6-3.5LService typeIgnition Cable (Spark plug wires) ReplacementYourMechanic Price$169.29Shop/Dealer Price$219.56 - $313.12
1987 BMW 635CSiL6-3.5LService typeIgnition Cable (Spark plug wires) ReplacementYourMechanic Price$148.92Shop/Dealer Price$194.13 - $272.44
1986 BMW 635CSiL6-3.5LService typeIgnition Cable (Spark plug wires) ReplacementYourMechanic Price$150.40Shop/Dealer Price$195.94 - $275.31
Show example BMW 635CSi Ignition Cable (Spark plug wires) Replacement prices

Ignition Cable (Spark plug wires) Replacement Service & Cost

What is the Ignition Cable (Spark plug wires) all about?

The ignition cables, also known as “spark plug wires” are part of the ignition system. They transfer the spark from the distributor or ignition coil to spark plugs that ignite the air-fuel mixture, starting the engine.

Over time, the cables can get weak and break down. This will make it harder for the spark to reach the engine cylinders, resulting in engine misfires. The car may not start at all. If one of the spark plugs has gone bad, the car will still start and run, but it will run poorly.

Keep in mind:

  • Ignition cable failure is often caused by other failing pieces in the ignition system; a mechanic should check for any other malfunctioning parts, and replace any parts of the system that don’t work.
  • Every time the ignition cables are replaced, the spark plugs should be inspected.
  • Leaking oil or coolant can cause ignition wire failure. If this is the case, the cause of the leak should be repaired or replaced, or else the new ignition wires will quickly be damaged as well.

How it's done:

  • Scan the computer system in the car for codes.
  • Inspect ignition cables (look for white spots).
  • Ohm test on individual cables.
  • Remove and replace the cables if found faulty.
  • Inspect the spark plugs.
  • Clear the codes.

Our recommendation:

Ignition wires should be replaced at least every 60,000 miles, but whenever your car is serviced, it’s a good idea to have the entire ignition system inspected. Any time that you have spark plugs replaced, it’s a good idea to have the ignition wires replaced as well. If you notice that your engine is running poorly, you should schedule an inspection.

What common symptoms indicate you may need to replace the Ignition Cable (Spark plug wires)?

  • Check Engine light is on.
  • Engine misfires.
  • Poor gas mileage.
  • Engine may shake (light vibration).

How important is this service?

The fuel in your automobile is ignited by a spark. This starts with the ignition coil, which transforms low voltage power into extremely high voltage. This high voltage is transferred through the ignition cables, and to the spark plug, where a spark is created that ignites the engine’s fuel, and powers the engine.

When one or more ignition cables fail, this voltage will not be transferred from the ignition coil to the spark plugs, and the fuel will not be ignited. Depending on how many of your ignition cables malfunction, your car will either run poorly, or won’t run at all.

Fast and easy Ignition Cable (Spark plug wires) Replacement service at your home or office.

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Honorio
14 years of experience
Honorio is awesome! He carefully evaluated the problem, even in bad weather, and in detail explained the issues and available options. I would strongly recommend Honorio. He is extremely knowledgeable, courteous, and awesome!
2007 BMW 525I - MECHANIC CONSULTATION
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Dave
18 years of experience
Dave is my go-to-guy for all car fixes. He knows his stuff and gets everything done quickly and efficiently. Had 5+ visits with him and very happy with his work.
2001 BMW 325I - OIL CHANGE
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10 years of experience
Joseph was ahead of schedule. His professionalism is peerless and mechanical know how spot on. Would highly recommend him to a friend or colleague.
2008 BMW 535I - OTHER INSPECTIONS
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31 reviews
Emmette
31 years of experience
Emmette was fantastic! He arrived early. He changed my one of my ignition coils and all spark plugs. When doing so, he showed me an oil leak seeping into the plugs which he explained caused the short. A different repair shop I went to two days prior advised e to change all coils and plugs at a price of $1,100, They never once noticed the leaking oil under the failed coil (and all others). When my car sputtered a bit on initial start up, Emmette insisted I take it for a ride while he waited for my return. He did so to ensure that the repair worked and I was satisfied. Emmette also inspected my entire car on his own accord. He sprayed a squeaky door, adjusted my tire pressure which was excessive (55 lbs of pressure instead of 32 in all 4 tires. This excess was done by a dedicated "tire" shop when they put my new tires on...What the heck!). He also fixed a bent gas cap (which is likely the cause of 2 EVAP leak codes). He did so at no charge, whereas the other shops wanted to replace major EVAP parts at yet another $1, 500. So far, no EVAP code has returned. I was a bit apprehensive having an unkown mechanic outside of a physical shop do the work on my BMW Z3. However after my exceptional experience with Emmette, I'm going to hire him to replace an expansion hose and to further diagnose and fix the oil leak he found.
2002 BMW Z3 - SPARK PLUG REPLACEMENT
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Get an instant quote for your car
Our mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing
Get a quote
CarServiceYourMechanic PriceShop/Dealer Price
1989 BMW 635CSiL6-3.5LService typeIgnition Cable (Spark plug wires) ReplacementYourMechanic Price$171.16Shop/Dealer Price$221.86 - $316.79
1985 BMW 635CSiL6-3.5LService typeIgnition Cable (Spark plug wires) ReplacementYourMechanic Price$148.92Shop/Dealer Price$194.18 - $272.51
1988 BMW 635CSiL6-3.5LService typeIgnition Cable (Spark plug wires) ReplacementYourMechanic Price$169.29Shop/Dealer Price$219.56 - $313.12
1987 BMW 635CSiL6-3.5LService typeIgnition Cable (Spark plug wires) ReplacementYourMechanic Price$148.92Shop/Dealer Price$194.13 - $272.44
1986 BMW 635CSiL6-3.5LService typeIgnition Cable (Spark plug wires) ReplacementYourMechanic Price$150.40Shop/Dealer Price$195.94 - $275.31
Show example BMW 635CSi Ignition Cable (Spark plug wires) Replacement prices

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