Resolved: Crankcase vent hose cracked...Cylinder 4 misfire on WOT - XBimmers.com | BMW X6 Forum X5 Forum
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PCV Crankcase Vent Valve Breather Hose Kit - BMW E46 CCV, E39, E60-5 Piece Value Kit - Fits 320i, 323i, 325, 325i, 325ci, 328i, 330i, 330ci, 330xi, ...
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BMW E90 Crankcase Breather Valve Replacement | E91, E92, E93 | Pelican Parts DIY Maintenance Article
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BMW E90 Crankcase Breather Valve Replacement | E91, E92, E93 | Pelican Parts DIY Maintenance Article
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