Route crankcase blow-by vapors cleanly through the engine’s ventilation system with the SKP Engine Crankcase Breather Hose (SK121292). This crankcase vent hose drops in as a direct-fit replacement for a range of BMW inline-six and V8 models, including the 2011-2013 BMW 135I [L6-3.0L], 2011-2016 BMW 535I [L6-3.0L], 2012-2015 BMW 640I [L6-3.0L], 2011-2017 BMW X5 [L6-3.0L], the 2011-2013 BMW X5 [V8-4.4L], and 2011-2017 BMW X6 [L6-3.0L] — see the Buyer’s Guide tab for the full list of 19 applications.
- Crankcase ventilation: Channels blow-by gases from the crankcase along the intended path so pressure can vent normally.
- Direct-fit replacement: Installs on the listed BMW applications to replace a cracked, brittle, or leaking original hose.
- Signs it may need replacing: A whistling or hissing vacuum leak, oil residue at the hose, or a rough idle traced to a split or collapsed breather hose.
- Country of origin: China.
If a failed breather hose is the cause of your symptoms, this hose restores the original ventilation routing. Diagnose the underlying cause before replacing, as these signs can have other sources.
Interchange: 11 12 7 584 128
11127584128
