BMW 318i Distributor Cap and Rotor Replacement at your home or office.

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Average rating from customers who
received a Distributor Rotor and Cap Replacement.
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$112.49 - $129.10

Price range for all vehicles


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Average rating from customers who
received a Distributor Rotor and Cap Replacement.
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Distributor Cap and Rotor Replacement Estimate for BMW 318i

BMW 318i Distributor Cap and Rotor Replacement costs $121 on average.

CarServiceEstimateShop/Dealer Price
1984 BMW 318iL4-1.8LService typeDistributor Cap and Rotor ReplacementEstimate$149.99Shop/Dealer Price$186.86 - $251.07
1985 BMW 318iL4-1.8LService typeDistributor Cap and Rotor ReplacementEstimate$163.21Shop/Dealer Price$203.49 - $277.69
Show example BMW 318i Distributor Cap and Rotor Replacement prices

Distributor Cap and Rotor Replacement Service

What are the Distributor Rotor and Cap all about?

When the engine is running, high voltage created by the ignition coil travels through the coil wire to the ignition rotor. As the ignition rotor turns in the distributor, the rotor distributes the spark by sending it in a synchronized order through the spark plug wires to the spark plug located in each of the engine's cylinders.

The distributor is a main component of the ignition system. It takes very high voltage and delivers it to fire the spark plugs.

Keep in mind:

  • When the distributor rotor and cap are replaced, the entire ignition system should be inspected.
  • After replacing the distributor rotor and cap, the ignition wires will need to be reinstalled.

How it's done:

  • Check the ignition system.
  • Replace the cap and rotor if found faulty.
  • Re-check the ignition system.
  • Check ignition timing if needed.

Our recommendation:

Whenever your vehicle has routine maintenance or servicing, the ignition system should be inspected thoroughly. If you ever notice your ignition system having a hard time (such as your car having trouble turning on or staying on), then you should schedule an inspection.

What common symptoms indicate you may need to replace the Distributor Rotor and Cap?

  • Engine misfires.
  • Car does not start.
  • Noises from the engine.
  • Check engine light is on.

How important is this service?

The distributor rotor and cap is used when the engine is running. During this time, high voltage is created by the ignition coil, and sent through the coil wire to the ignition rotor. This rotor turns inside the distributor, and as it does so, it evenly distributes sparks to the spark plugs, through the spark plug wires. The spark plugs then use this spark to ignite the fuel mixture, which allows the engine to keep running.

If the distributor rotor and cap malfunction, the voltage from the ignition coil won’t be redistributed to the spark plugs, and your engine will either have a hard time running, or won’t run at all.

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Meet some of our expert BMW mechanics

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Excellent Rating


YourMechanic BMW 318i Service

Average Rating

4.9/5

Number of Reviews

20

Rating Summary
19
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19
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Jerimiah

17 years of experience
323 reviews
Jerimiah
17 years of experience
BMW 318i - Car idle is rough - Las Vegas, Nevada
Like usual very professional,diagnosis problem in 15 min.awesome mechanic!

Alika

13 years of experience
14 reviews
Alika
13 years of experience
BMW 318i - Headlight Bulb Replacement (Driver Side Low Beam) - Tucson, Arizona
Great experience.

Richard

9 years of experience
443 reviews
Richard
9 years of experience
BMW 318i - Clutch Slave Cylinder - Washington, District of Columbia
Great experience all around -- highly recommend.

Dallas

27 years of experience
84 reviews
Dallas
27 years of experience
BMW 318i - Alternator Belt - Baltimore, Maryland
He showed up early, he has a pleasant attitude and is knowledgeable of the automotive mechanics

Excellent Rating


YourMechanic BMW 318i Service

Average Rating

4.9/5

Number of Reviews

20

Rating Summary
19
0
1
0
0
19
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1
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Red-stars EXCELLENT RATING ON
Number of BMW 318i services completed
220+
services done by our mechanics
TOTAL NUMBER OF EXPERT BMW MECHANICS
800+
experts on our platform

How can we help?

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