Get the tool here: [ Ссылка ]

This 3D printed Valve Spring Compressor Tool is specially designed to change valve stem seals on a BMW N42/N46 engines. Changing worn valve stem seals will greatly reduce oil consumption and blue smoke coming out of the exhaust after idle.

Check out my DIY guides for more detailed information on how to change valve stem seals:
[ Ссылка ]
[ Ссылка ]

Symptoms that require this repair:
Engine suddenly started consuming a lot of oil (6 dcl/1000 km). I had some substantial oil leaks, so I first had to replace:

- oil pan gasket,
- valve cover gasket,
- Valvetronic motor gasket
- Valvetronic sensor connector flange,
- vaccum pump o-rings,
- VANOS solenoid o-rings.

I also replaced the CCV system, but nothing fixed the oil consumption problem. Replacing the valve stem seals was the next step...

BimmerZen assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Use this information at your own risk. BimmerZen recommends safe practices when working on vehicles and or with tools seen or implied in this video. Due to factors beyond the control of BimmerZen , no information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. Any injury, damage, or loss that may result from improper use of these tools, equipment, or from the information contained in this video is the sole responsibility of the user and not BimmerZen.

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