BMW Crankcase Vent Hose 11127598091 – Genuine BMW

Product Description

The BMW Crankcase Vent Hose 11127598091 is a genuine BMW ventilation hose designed to connect the crankcase ventilation system with the valve cover and help maintain proper crankcase pressure management. It is also commonly described as a crankcase breather hose, PCV hose, or vent hose.

A properly functioning crankcase ventilation hose is important for maintaining the correct flow of crankcase gases and preventing unwanted pressure or vacuum problems within the engine. A damaged, cracked, brittle or leaking hose can contribute to oil vapour leaks, vacuum-related issues and poor engine operation.

This BMW OE part is identified by BMW part number 11127598091, also formatted as 11 12 7 598 091.

BMW Part Number

11127598091

BMW OE Number

11 12 7 598 091

Part Type

Crankcase Vent Hose / Crankcase Breather Hose / Vent Hose

Compatible BMW Models

BMW part 11127598091 is used on various BMW models, with fitment depending on the vehicle, engine and production specification. Documented applications include:

BMW 1 Series F20/F21 – selected 125i applications
BMW 2 Series F22/F23 – selected 220i/228i applications
BMW 3 Series F30/F31/F34 – selected 320i/328i applications
BMW 5 Series F10/F11/F07 – selected 528i applications
BMW X1 E84 – selected applications
BMW X3 F25 – selected sDrive28i applications
BMW X5 F15 – selected applications
BMW X6 F16 – selected applications
BMW Z4 E89 – selected applications

The part is particularly associated with BMW N20 2.0-litre petrol applications, although catalogue data also shows certain 528i applications with the N52 engine. Always verify the part against the vehicle VIN before ordering.

Common Reasons to Replace the Crankcase Vent Hose

A crankcase ventilation hose can deteriorate over time due to engine heat, oil vapour and normal ageing. Replacement may be required when the hose develops:

Cracks or splits
Oil or vapour leakage
Brittle or deteriorated plastic
Loose or damaged connections
Vacuum leaks
Crankcase ventilation problems

Replacing a damaged hose helps restore the intended crankcase ventilation path and can help prevent further leakage and related engine issues.

Genuine BMW Replacement Part

The 11127598091 is a genuine BMW OE reference, making it a useful replacement when maintaining the original crankcase ventilation configuration of a compatible BMW.

Buy BMW 11127598091 in Nairobi

Looking for a BMW crankcase vent hose 11127598091 in Nairobi?

Bavarian Trading Company Limited supplies BMW spare parts from our shop at Adams Arcade, off Ngong Road, Nairobi, and we can assist with checking the correct part for your BMW.

Order BMW 11127598091 today. Send us your BMW model, year, engine or VIN/chassis number and our team can help confirm compatibility before you purchase. We also have a garage for BMW servicing, diagnostics and installation.

Important Fitment Notice

BMW parts can vary according to engine, production date, chassis and vehicle specification. Please provide your VIN/chassis number before ordering so we can confirm that 11127598091 is the correct part for your BMW.