In-Depth Review: 11157503523 Crankcase Breather Vent Valve & Oil Separator Hose for BMW E46, E39, E90, E91, E81
If you’re looking to maintain or repair your BMW’s engine ventilation system, the 11157503523 Crankcase Breather Vent Valve & Oil Separator Hose offers a targeted solution engineered for several popular BMW models. Designed to fit E46, E39, E90, E91, and E81 series, this component helps ensure efficient crankcase ventilation and oil separation, which is critical for engine performance and longevity.
Price: 28.30 USD
For BMW enthusiasts and mechanics alike, this car part blends quality with affordability. Considering the original price was 35.37 USD, the current pricing presents a great value deal. If you want to secure this replacement part, check out the latest offers and promotions available.
Key specs at a glance
- Product Model Numbers: 11157503523, 11157503524, 11617503520, 11157533346
- Compatibility: BMW E46, E39, E90, E91, E81 series
- Function: Crankcase breather vent valve and oil separator hose
- Material: Durable automotive-grade components
- Category: Engines & Engine Parts
- Current
Price: 28.30 USD
- Original Price: 35.37 USD
- Seller: Qalideve Car Accessories Store
5 best things about 11157503523 Crankcase Breather Vent Valve & Oil Separator Hose
- Excellent fit for a wide range of BMW models, ensuring compatibility.
- Improves engine breathing by effectively separating oil and venting crankcase gases.
- Durable construction designed to withstand heat and pressure under the hood.
- Reasonably priced replacement part compared to OEM alternatives.
- Easy installation process for mechanics and DIY enthusiasts.
Pros
- Good compatibility across multiple BMW engine models
- Improves engine performance by maintaining proper ventilation
- Robust and reliable build quality
- Affordable pricing
- Positive seller reputation
Cons
- Some users report limited availability and shipping delays
- Not covered by extensive warranty policies
- Installation may require basic mechanical knowledge
What customers usually say
Customers appreciate the precise fit and effectiveness of this vent valve and hose assembly. Many have noted improvements in engine idling and reduced oil smell in the cabin after installation. However, a few reviewers mention the part requires careful handling during setup to avoid damage. Overall, the majority recommend it as a budget-friendly alternative to OEM parts, especially for those maintaining older BMW models.
Tips to get the most out of it
- Ensure your vehicle model and engine type match the listed compatible BMW series before purchase.
- Inspect the old valve and hose for damage to confirm replacement necessity.
- Clean surrounding components during installation to avoid introducing debris.
- Use proper tools and follow tutorials or professional guidance for installation.
- Regularly check the valve and hose condition as part of your vehicle maintenance schedule.
This Crankcase Breather Vent Valve and Oil Separator Hose presents a worthwhile option for BMW owners seeking dependable engine ventilation components without breaking the bank. While it requires some mechanical aptitude to install, the product delivers solid performance and value. It’s especially recommended for those who want to replace worn-out parts with a compatible and affordable alternative.






