BMW M340i Adjust Ignition Timing at your home or office.

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Adjust Ignition Timing Service

How much does a Adjust Ignition Timing cost?

On average, the cost for a BMW M340i Adjust Ignition Timing is $140 with $0 for parts and $140 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
2023 BMW M340iL6-3.0L TurboService typeAdjust Ignition TimingEstimate$155.00Shop/Dealer Price$158.60 - $161.30
2024 BMW M340iL6-3.0L TurboService typeAdjust Ignition TimingEstimate$145.99Shop/Dealer Price$147.82 - $149.20
Show example BMW M340i Adjust Ignition Timing prices

What is ignition timing all about?

Your engine relies on perfect timing to work smoothly and efficiently. This requires ideal ignition timing. The ignition system is responsible for creating the spark that combusts the fuel that powers the cylinders and therefore the engine. In order to have your engine run perfectly, the ignition has to create a spark at the optimal time. As miles accumulate, your ignition system may start to spark at the wrong time, and the timing will need to be adjusted.

Keep in mind:

  • Many modern vehicles have ignition timing that automatically adjusts.
  • Whenever the ignition timing is adjusted, the entire ignition system should be inspected.
  • After adjusting the ignition, the vehicle should run for a few minutes to make sure that it works properly.

How it's done:

  • Hook up timing light
  • Check the ignition timing
  • Adjust if needed

Our recommendation:

The ignition system is a pivotal part of your vehicle, and should always be inspected during routine maintenance and service. During all engine tuneups the ignition timing should be checked.

What are the common symptoms indicating you need to adjust the ignition timing?

  • Car stays running when you turn it off
  • Rattling noise from the engine

How important is this service?

Your engine has four basic steps of operation. The first is intake, where fuel is added to the cylinders. The second is compression, where the fuel is compressed in the cylinder. The third is power, where the compressed fuel is combusted, thus firing the cylinders. And the fourth is exhaust.

Your ignition system plays a key role in between the second and third steps. The ignition system sends a strong current to the spark plug, where a spark is created that helps ignite the fuel. This happens immediately after compression; the spark ignites the compressed fuel, which combusts it and creates the power. Over time the ignition timing can be altered, and the spark will not occur between compression and power. As a result, the fuel will have a hard time combusting, the cylinder will not be as powerful, and the engine will have problems.

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6,938
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Chris

23 years of experience
2372 reviews
Chris
23 years of experience
BMW M340i L6-3.0L Turbo - Brake Pads Replacement (Rear) - Westminster, California
Very prompt. Made the job seem easy.

Leo

6 years of experience
8 reviews
Leo
6 years of experience
BMW M340i L6-3.0L Turbo - Oil Change - Los Angeles, California
Great experience with leo. 10/10

Chuck

18 years of experience
464 reviews
Chuck
18 years of experience
BMW 328i L6-3.0L - Strut Assembly Replacement (Front) - Richardson, Texas
Great job. Worked his butt off doing this repair.

Omar

13 years of experience
287 reviews
Omar
13 years of experience
BMW Z4 L6-2.5L - Radiator Flush - Hollywood, Florida
knowledgeable on time.. Will recommend him

Excellent Rating

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Rating Summary
6,938
220
61
51
160
6,938
220
61
51
160
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