There are plenty of options available while buying crankcase breather systems in the market right now, and if you're confused regarding which one to go for, You have come to the right page.

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Our Top Picks:

Best Overall: Buy: Kansmart Crankcase Breather System READ REVIEW

Best For Direct Replacement: Buy: Benefast Crankcase Breather System READ REVIEW

Best With Fast Shipping: Buy: Kunttai Crankcase Breather System READ REVIEW

Best For Good Quality: Buy: Okay Motor Crankcase Breather System READ REVIEW

Best For Premium Quality: Buy: Ensun Crankcase Breather System READ REVIEW

Best With Durable Construction: Buy: Dorman Crankcase Breather System READ REVIEW

Best For Perfect Match: Buy: Waterwich Crankcase Breather System READ REVIEW

Best For Exact Fit: Buy: Usonline911 Crankcase Breather System READ REVIEW

Best For Original Equipment: Buy: Bapmic Crankcase Breather System READ REVIEW

Best Overall: Kansmart Crankcase Breather System

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Kansmart is known for creating practical and good-quality breathers for people on the go, and its line of Kansmart Crankcase Breather Systems definitely falls in line with that reputation. The kansmart crankcase breather system allows for great fit and it fits the following vehicles. Replaces OEM part# -11127584128 | This product is designed for a direct replacement | while this is not a genuine BMW part, it fits and works like your factory part without going back to the dealership. Also, the breather allows for quick install and it is best for good fit.

Lastly, the kansmart crankcase breather system is good for lifetime warranty and it fits perfectly.

Almost all customers opine that the breather is as good as the 40$ part from an auto supply chain. Further, a few strongly agree that the system is a perfect fit for bmw x5 e70. In addition, a few strongly agree that the breather fits bmw x5 f15 at 1/2 price oem. Obviously, this system passed the test and had very satisfied buyers eager to share their experience.

• This is made of high quality and it is powerful.
• It is very happy and it has powerful functions.
• This fits perfectly in bmw 2014 535i.
• This comes with quick shipping, is brand new and it is new.

Best For Direct Replacement: Benefast Crankcase Breather System

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The Benefast Crankcase Breather System is satisfactory and appropriate and fits well with your daily purpose. The benefast crankcase breather system is yellow and it is new. Pcv systems are notoriously failure prone, leading to high oil consumption, burning oil, loss of power, misfiring, and high carbon deposits. The crankcase vent system separates liquid oil from the air inside the engine and intake.

The breather is used to purge oil vapor from the engine block into the valve cover. Finally, the benefast crankcase breather system allows for cheap replacement and it fits well.

One customer says - "Every thing is in the kit and it all fits well. ". Most buyers opine that the breather is a couple of inches too short.

• This worked fine and it provides for easy replacement.
• You will hear a “click” when the connection is made.
• The Manufacturer says: this is a compatible replacement part manufactured by our factory.
• Customers can find the product you need accurately according to the part number.

Best With Fast Shipping: Kunttai Crankcase Breather System

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The Kunttai line of systems comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The Kunttai Crankcase Breather System allows for a great fit and it is new. 8 pcs/set crankcase breather hose pipe. Moreover, the system is mainly fit for old engine.s.

The system is easy to install, is designed for a great price and it works well for good quality. Also, the system works perfectly and it is great with great fitment. Most importantly, the kunttai crankcase breather system is perfect for great quality and it go ahead.

Almost all buyers opine that the system is for the 1.8 turbo engine. Further, a few say that the system is not oem but damn near close to it. To sum up, most buyers agree that the breather suits them best, and no one questions it.

• 【Package includes】: 8 pcs/set crankcase breather hose pipe. One full year of warranty.
• Good investment for the long term.

Best For Good Quality: Okay Motor Crankcase Breather System

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We would, of course, be remiss if we didn't mention Okay Motor Crankcase Breather System for daily purpose. The okay motor crankcase breather system fits the following vehicles, is new and it can be trusted for good quality. Make sure this fits by entering your model number. And, it is designed for good part, fits perfectly and it comes with fit right. Lastly, the okay motor crankcase breather system is great for the cheap price and it is convertible.

Most customers opine that the system is easy to back off and cause a vacuum leak. And, a few say that the system has been over a month and everything looks good. And, they strongly agree that the system is great for cold zone 2, 3 and 4. Overall, buyers found this to be one of the best breathers for daily purposes.

• Application: e60 e82 e90 e91 e92 e93 z4 x3 x5 n52 3.0l l6.
• Part #: 11-15-7-559-528, 11 15 7 559 528, 11157559528.
• Crank case vent hose (3-way hose) for pcv system.

Best For Premium Quality: Ensun Crankcase Breather System

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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a premium breather. The Ensun Crankcase Breather System is exactly that - it's a simple breather that hits all the right notes. The ensun crankcase breather system is designed to withstand exposure to extreme temperatures and oil vapors to resist cracking and leaking. Make sure this fits by entering your model number. In addition, it is good for premium quality, It fits perfectly and it works well for good quality.

The breather is great for a great price and it works well. Moreover, this is new and it fits perfectly. Lastly, the ensun crankcase breathersystem is highly recommended and also offers original equipment quality at a competitive price.

Almost all customers agree that the breather fits like oem and it is a perfect fit for the 2006 bmw 330i e90 sport. And, they strongly agree that this kit is good quality at an unbeatable price. In conclusion, for most customers, Ensun product was what they were looking for.

• This is designed for the original equipment part and it is great for the original parts.
• The Manufacturer says: all of our parts undergo strict quality control throughout the production process.
• This comes with correct fit, is designed for good fit and it is brand new.
• This works ok, is flexible and it is professional.

Best With Durable Construction: Dorman Crankcase Breather System

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Dorman is known for creating pragmatic and minimalist systems for people on the go, and its line of Dorman Crankcase Breather System definitely falls in line with that reputation. The dorman crankcasebreather system is made from quality materials to ensure reliable performance and long service life. With thousands of convenient small parts available almost everywhere, you can quickly get the components you need. This engine crankcase breather hose check valve is designed to match the fit and function of the original valve on specified vehicles, and is engineered for durability and reliable performance.

Above all, the dorman crankcase breather system is made to fit and fully restore part functionality after the original valve fails.

Overall, many customers have used the Dorman crankcase breather system for more than a few months without any complaints, and it shows no sign of giving up.

• Before purchasing, put your vehicle trim in the garage tool to confirm fitment.
• This is compatible with the following vehicles.
• It is durable and it worked fine.

Best For Perfect Match: Waterwich Crankcase Breather System

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The Waterwich Crankcase Breather System might be a relatively new release, but it's still nothing short of impressive this year, thanks to multiple price cuts and added new features over the past few months. The waterwich crankcase breather system, made of high quality, is designed for perfect match and it can be purchased for the throttle body. Signs of a failing, When it happens on your bmw cars, you can take this pcv hose kit for direct replacement. Further, this provides reliable, efficient cooling and note: if the pcv valve is clogged, the polluting gas flows back into the air filter. The pcv valve is important, avoids the phenomenon of freezing at the throttle, insufficient combustion, deterioration of emissions. Above all, the waterwich crankcase breather system is perfect for high quality and it works fine.

"So have these parts checked if you have these conditions. " - says, one customer. In conclusion, many customers have used the waterwich crankcasebreather system for more than a few months without letup, and it shows no sign of giving up.

• "3.replaces oem part numbers: 11617501566 11157532649 11617504535 11617504536,11611432559.
• Lot of satisfied buyers.

Best For Exact Fit: Usonline911 Crankcase Breather System

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The Usonline911 Crankcase Breather System is the most convenient breather on the market today. The usonline911 crankcase breathersystem is best for good fit and it comes with fit right. The positive crankcase ventilation or pcv system vents air from inside your engine caused by the engine's operation. The crank case valve and hoses commonly crack overtime and lead to a check engine light ( cel ), poor fuel economy, and sometimes.

The breather is perfect for great quality, is new and it is great for good quality. In addition, this is flex and it makes for easy install. Lastly, the usonline911 crankcase breather system comes with a direct fit and it fits well.

One customer says - "Make sure you remove the front brackets on the intake manifold so you can remove and replace the valve easily. ". Most buyers quickly discovered that the breather is true, that the orange o-rings are too large. Obviously, this product passed the test and had very satisfied buyers eager to share their experience.

• 3 x breather hoses - oe no. 11611432559, 11157532649 & 11617504536.
• Good brand reputation.

Best For Original Equipment: Bapmic Crankcase Breather System

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The Bapmic Crankcase Breather System's material feels more premium than its price would suggest. The bapmic crankcase breather system is compatible with 545i 645ci 2004. Make sure this fits by entering your model number. Also, it matches the original car. Finally, the bapmic crankcase breather system is designed for the original equipment part and it is designed for perfect match.

• Replacement for 745i 745li 2002-2005|x5 2004-2006.
• For cars with an original valve cover (w/ vent valve hole) also use (1) 11617547154.
• Driver side; crankcase breather vent hose pipe compatible with 545i 645ci 2004-2005.
• Perfect match for the original car.please verify fitment or application.