N63 ccv replacement, The N63 crankcase vent valve is responsible for separating oil from the air inside the engine and air intake. It is keyed so you need to rotate it and the holder is in the way. This is a direct bolt on for the N63, uses the brass filter catch can setup, so it actually works unlike others ones, this looks OEM hence why we put so much time into it. Every car has some form of crankcase ventilation, also known as a PCV, CCV, oil separator, and a cyclonic separator. I need to replace both crankcase vent pipes, part #s 11157575641 (driver's) & 11157575640 (passenger's) as they're cracked beyond use & causing misses. KBB says my trade in value is $15,000 Current the car is burning a 1qt of oil every 500-750miles and in the last year I have had to put in about 12k in repair cost, transfer case failure, right axle from road damage (MI pot holes) and drive tran issue. The passenger side has 2 connections, but the driver side only has 1. 3K subscribers Subscribed Jan 20, 2021 · VSS replacement by a private mechanic on your engine is about $3,500 to start. Genuine replacement for BMW part #11158636540. On the old n63s both sides only have 1 May 22, 2020 · I'm new to the forum & have a 2010 550i F07 with the N63 engine. To remove the valve assembly, first lift up the wire holder assembly and rotate the right side valve clock-wise approximately 30º; then lift up to remove. The actual oil separators are part of the valve covers and can be replaced on their own - BMW part #11158636541. E. Suggestion for fellow n63 owners- CCV, PCV pressure All times are GMT -5. Current car that needs valve stem seals replacement: 2013 BMW 550i xDrive, 107,000 miles. BMW CCV system are notoriously . The time now is 08:21 AM. My VSS are original. It will be very easy to remove when the key is in the notch in the engine. VSS is covered under the campaign by BMW, I had that done by BMW dealer but still have to top off oil every 7k miles, so I suspect either CCV and/or turbo oil return line/housing leaks, I still see smoke coming out from driver side of exhaust. Euros 18. When working correctly, oil is removed from the intake air and returned to the oil pan. Everyone, I have replaced the ccv hose multiple times now so I decided I am tired of spending way too much money for a stupid section of crappy plastic that is just going to crack. The BMW crankcase vent system separates liquid oil from the air inside the engine and intake. Jul 29, 2025 · Need to replace my CCV on the driver side. Oil vapor remains and is burned up in the combustion chamber. Oil Separator Set, BMW - F10 550i, F13 650i, F02 750i, E70 X5M, E71 X6M (N63A, S63) New CCV valves help first-gen N63 and S63 engines run smoother. Special Application Notes: Only for first-generation N63 and S63 engines. Repair or upgrade your PCV system with our catalog of OEM PCV components and aftermarket PCV upgrades. Car is starting to show age and engine doesn't sound In this revised video I demonstrate how to properly replace the PCV valves on an N63TU without breaking the expensive internal oil separators. As an added bon BMW N63 engine PCV valve replacement crankcase pressure valve 550i 650i 750i 750Li X5 X6 50i I. What I did was buy a foot of 3/4" heater hose and some hose clamps.


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