BMW 335i Fuel Injector Parts
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The average price of a BMW 335i fuel injector is between $84.99 and $2585.88.
A BMW 335i fuel injector is a vital component in the engine that controls the amount of fuel introduced into the combustion chambers. It operates based on the signals it receives from the engine control unit, ensuring the right mixture of air and fuel for optimal performance and efficiency. Over time, these injectors may need servicing or replacement due to wear and tear.
Signs of Faulty or Worn BMW 335i Fuel Injector
- Increased fuel consumption: A damaged or worn out fuel injector can result in more fuel being consumed than necessary, leading to decreased fuel efficiency.
- Rough idle: The erratic supply of fuel that can result from a faulty injector can cause the engine to run unevenly when idling.
- Engine misfires: If the injector isn't supplying enough fuel, the engine can misfire, causing it to run poorly or even stall.
- Decreased power and acceleration: A malfunctioning fuel injector might not provide the engine with enough fuel, which can lead to diminished power and slower acceleration.
- Smell of fuel: A leaking fuel injector could cause a noticeable smell of gasoline.
- Check engine light on: The car's computer system might detect a problem with the fuel injector and trigger the check engine light.
- Engine knocking sounds: These sounds can occur if the combustion process is not running properly due to abnormal fuel delivery.
- Failed emissions: High levels of harmful emissions are often the result of a faulty injector, which could lead to a failed emissions test.
- Vehicle won’t start or struggles to start: If the fuel injectors are worn out, they may not be able to deliver enough fuel to the engine, causing the vehicle to struggle or fail to start.
- Poor performance overall: In severe cases, a completely failed fuel injector can seriously affect the car's performance, causing a variety of issues including decreased power and acceleration, hard starting, stalling and lackluster fuel economy.
Replacing BMW 335i Fuel Injectors
- Start by disconnecting the battery to eliminate any chance of accidental electric currents during the process.
- Allow your car to cool down entirely if it has been running, as several components will be hot.
- Move on to the engine compartment and locate the fuel rail and fuel injectors. They are typically found on the top of the engine with a pipe running into each injector.
- Remove the fuel rail carefully by unscrewing the bolts that hold it in place. Depressurize the fuel system by slowly loosening the fuel rail from the injectors, which allows excess pressure to escape.
- Once the fuel rail is loose, you can remove the electrical connectors on each injector. These are typically clipped on, so you simply need to press the clip and pull them off.
- Now, you should be able to pull out the fuel injectors. If they are stuck, try using a little bit of lubricant to help them come out.
- Once the old injectors are detached, compare them with your new injectors to ensure they are an exact match.
- Install the new fuel injectors by pushing them into place where the old ones were, then re-clip the electrical connectors.
- Reinstall the fuel rail over the new injectors, making sure it aligns properly.
- Bolt it back in place and check all your connections to make sure everything is locked and secure.
- Reconnect the battery and start your car. Let it idle for a few minutes while checking for leaks at the fuel rail and injectors.
- If there are no leaks, take your car for a short test drive to make sure everything is functioning correctly.
Typical Lifespan of BMW 335i Fuel Injectors
The longevity of a BMW 335i fuel injector can vary based on a number of factors, including driving conditions, maintenance, and the quality of fuel used.
On average though, you could expect the fuel injectors to last between 75,000 and 100,000 miles. Regular servicing and using high-quality fuel can help extend their lifespan.
BMW 335i Fuel Injectors at Discount Prices
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