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  • 5/14/2025
MW is one of the most sought-after luxury cars in the world and is known for its powerful performance. However, failure of certain parts like the PCV valve can have an adverse impact on the smooth running and better performance of your vehicle. There are several factors that can cause the PCV valve to fail abruptly. Have a look at the video to know the adverse impact of PCV failure on your BMW.
https://www.youtube.com/watch?v=glCIct9UzkY

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Motor
Transcript
00:00The negative effects of BMW PCV valve failure on engine performance from experts in Simi Valley
00:06The positive crankcase ventilation PCV valve plays a critical role in controlling emissions
00:13from your BMW. However, failure of the PCV valve can have adverse effects on the smooth running
00:19and better performance of the car. Here are the negative effects of a failing PCV valve on your
00:25high-end BMW. Decreased miles per gallon
00:29One of the negative effects of a bad PCV valve in your BMW is witnessed when the fuel mileage of
00:38the vehicle dips drastically. Your BMW has a fixed miles per gallon both for driving in the city and
00:45on the highway and any deviation from this should draw your attention. If you happen to visit the
00:50fuel station more often than you used to do previously, then it is due to a faulty PCV valve.
00:57Poor performance
00:58The malfunctioning of the PCV valve casts an adverse effect on the performance of your high-end vehicle.
01:09The PCV valve helps in rerouting unburnt fuel present in the exhaust gases back into the engine
01:14for an efficient combustion process. Due to the failure of the PCV valve there is a build-up of
01:20pressure in the engine which takes a toll on the performance of the car. Smoke from exhaust
01:25All modern cars including your BMW come equipped with advanced emission control systems like PCV valves.
01:37The failure of the PCV valve will lead to the emission of a huge quantity of exhaust smoke from
01:42the exhaust pipe of your car. Most drivers report witnessing the emission of black colored smoke
01:48from the tailpipe of their car. Unusual noise from the engine
01:52Due to a malfunctioning PCV valve, you are going to hear a hissing, whistling, or whining noise coming
02:02from the engine. The hissing sound is mostly caused due to a leak in the hose connecting your PCV valve to
02:08the engine. Whenever you get to hear any of these abnormal sounds, then you must straightaway head
02:14to a BMW specialist to replace the PCV valve. Conclusion
02:19These are some of the negative effects of a faulty PCV valve on the performance of your BMW.
02:29Get in touch with a certified repair shop to get your BMW inspected and fixed at the earliest.
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