BMW VANOS Solenoid Valve – Camshaft VVT Solenoid Valve for BMW 1 Series, 3 Series, 5 Series
BMW VANOS Solenoid Valve for 1 Series, 3 Series and 5 Series
This BMW VANOS solenoid valve is a replacement camshaft VVT (variable valve timing) solenoid listed for BMW 1 Series, 3 Series and 5 Series models. The solenoid controls the oil flow that moves the camshaft adjuster, so the engine can change its valve timing as speed and load change. Easy Life Markets sells it as a single solenoid valve for owners and workshops fixing VANOS faults.
VANOS is BMW's name for its variable valve timing system. The solenoid valves are small, but they do a lot of work, and dirt in the oil or worn internal seals can make them stick. When that happens, the engine computer cannot adjust the camshafts correctly.
Important: Quantity
This listing is for one solenoid valve, as stated in the packing list. Some product photos show two valves side by side to display both sides of the part. Many BMW engines use two VANOS solenoids, one for the intake and one for the exhaust camshaft. If you want to replace both, order a quantity of two.
Common Signs of a Faulty VANOS Solenoid
- Check engine light with VANOS or camshaft timing fault codes
- Rough or unstable idle
- Loss of low-end power or sluggish acceleration
- Hesitation or stumbling when you accelerate
- Worse fuel economy than normal
Low or dirty engine oil can cause similar symptoms, so check the oil level and condition first. Swapping the intake and exhaust solenoids and seeing whether the fault code moves is also a common way to confirm which one has failed.
What Is Included
- 1 x VANOS / camshaft VVT solenoid valve
The solenoid has a metal body with a mounting flange and an electrical connector, as shown in the product photos.
Specifications
- Product type: Camshaft VVT (VANOS) solenoid valve
- Listed application: BMW 1 Series, 3 Series, 5 Series
- Material: Metal body
- Package size: 25 x 15 x 10.5 cm
- Quantity: 1 solenoid valve
- SKU: CJYD198490501AZ
Checking Fitment
BMW has used several generations of VANOS solenoids across the 1, 3 and 5 Series, and they are not all the same. The supplier does not give a specific part number for this valve, so please check before ordering:
- Compare the photos with your existing solenoid: body length, hole pattern, flange shape and connector.
- Check your engine code, which is on the engine and in your vehicle documents.
- Read the part number on your old solenoid if it is visible, and send it to us if you want us to compare.
If anything does not match, contact us before you buy.
Installation Tips
- Let the engine cool, then disconnect the battery.
- Clean around the solenoid before removal so dirt cannot fall into the oil passage.
- Unplug the connector, remove the mounting bolt and pull the solenoid straight out.
- Lightly oil the O-rings on the new solenoid with clean engine oil and push it in fully.
- Tighten the bolt to the specified torque, reconnect, clear the fault codes and check for oil leaks.
Keeping up with oil changes using the correct oil specification is the best way to keep a new VANOS solenoid working properly.
Why VANOS Solenoids Fail
The VANOS solenoid is essentially a small valve that directs pressurized engine oil to the camshaft adjuster. Its internal passages and fine screens are very small, so sludge or debris in the oil can block them or make the plunger stick. Over time, heat cycles also wear the internal seals and the electrical coil. Long oil change intervals, low oil level and the wrong oil specification all increase the chance of a sticking solenoid.
Some owners try cleaning the old solenoid first. That can help if the problem is only dirt, but if the coil or seals are worn, a replacement is the more reliable fix.
Intake and Exhaust Solenoids
On engines with double VANOS, there is one solenoid for the intake camshaft and one for the exhaust camshaft. The fault code usually tells you which side the problem is on. If both solenoids are original and the engine has high mileage, replacing both together can save a second job later. In that case, order two of this item.
Who This Solenoid Is For
This valve suits BMW owners who carry out their own repairs, independent workshops that work on BMWs, and anyone chasing VANOS fault codes or rough running on a 1, 3 or 5 Series with a matching solenoid.
Common Questions
Is this sold as one valve or two? One valve. Some photos show two side by side for display. Order two if you want to replace both intake and exhaust solenoids.
Do I need to reset anything after fitting? Clear the fault codes after installation. Some owners also run a VANOS adaptation reset with a suitable diagnostic tool, but this depends on the vehicle.
How do I know it is the right solenoid? Compare the shape, flange and connector with your old part, and check your engine code.
Buy a BMW VANOS Solenoid Valve at Easy Life Markets
You can order this VANOS solenoid right here. The current price and availability are shown on this page. Please read our return and refund policy before buying.
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Product Photos