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Build-Your-Own ECS S54 VANOS Rebuild Kit

Restore lost power by replacing your failed VANOS seals with the right material and updated components
ECS
ES#:
3240987
Mfg#:
012018ECS
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Build-Your-Own ECS S54 VANOS Rebuild Kit

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Starting at: $50.95 201.75
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VANOS Sealing Plate
Should be replaced when servicing your VANOS unit
23224 11367831906
In Stock
Sale SAVE 24% $39.33
29.96
None
None
None
Valve Cover Gasket Set
Includes all the necessary components for a valve cover removal
2586868 11127832034KT
On Order, ETA Jul 22, 2019
54.09
Valve Cover Gasket Set
Includes all the necessary components for a valve cover removal
2587190 11127832034KT
In Stock
168.99
VANOS Gasket
Used to seal the Vanos unit to the cylinder head
23225 11367831938
In Stock
Sale SAVE 24% $19.69
15.00
VANOS Gasket
Used to seal the Vanos unit to the cylinder head
2702388 11367831938
On Order, ETA Jul 22, 2019
9.95
Castrol TWS Oil Change Kit / Inspection I
Everything needed for a complete oil service including TWS Edge Supercar oil and a MANN filter
2580178 E46M3SVCKT
In Stock
83.95
Castrol TWS Oil Change Kit / Inspection I
Everything needed for a complete oil service including TWS Edge Supercar oil and an OEM Mahle filter
2643164 11427833769EOKT
In Stock
86.95
OEM Genuine BMW Oil Change Kit / Inspection I
Everything you'll need to do a complete oil change including Genuine BMW M Twin Power Turbo oil
2550022 E46M3OCI
In Stock
98.20

Product Details

The VANOS system found in BMW engines is a great feature, keeping your power curve smooth and responsive especially in lower to mid RPM range. What usually goes unnoticed is the gradual loss of power within this range as the vehicles age due to slowly failing seals within the VANOS unit. The way the VANOS system works is based off of oil pressure triggered by a solenoid that allows for a small range of timing degree adjustment, this is where the power curve is affected. When the seals begin to fail (all of them do) there is less pressure to advance the timing reducing the power in that low to mid range. Because this happens slowly its very hard to notice a difference until you refresh your VANOS unit, then you easily realize the response you've been missing.

The main reason all of the VANOS units will eventually fail is because the material used for the sealing rings from the factory is not designed for that type of environment. When this happens the only option that BMW leaves you with is buying a new and expensive VANOS unit with the same sealing rings that failed in your original unit.

There are a number of symptoms that will plague your car as a result of these failing seals such as erratic idle, engine hesitation, stalling, and increased fuel consumption to name a few. If you've been chasing down any of these symptoms with no fix then this could be your issue. 

While you 're replacing the seals in your VANOS unit it a good time to install anti-rattle spacers to tighten up the gaps in your stock assembly and get rid of that noisy Vanos clatter.

 

Seals & O-rings:

The engineering team here at ECS work diligently to offer a much better option to bring your VANOS unit back life. The seals  were the main focus of this project since the OE units are built with Buna-N rubber o-rings instead of the ECS supplied Viton rubber o-rings. The Buna-N material quickly hardens from the heat and chemical exposure within the engine, where the Viton is significantly more resistant to these chemicals. We also used this knowledge when it came to the commonly failed o-rings found on the VANOS seal plate, replaced at the solenoid.

 

Rattle Repair:

When it comes to the VANOS rattle this is commonly described as "marbles in a can", and can be heard throughout the different RPM ranges depending on the engine. Our rings and washers are precision ground from hardened steel to resist wear and deformation keeping your VANOS rattle free. The rattle repair tools are designed specifically for this VANOS anti-rattle repair, design from hardened steel to stand up to the job. Designed with precision to perfectly follow the splines of the shaft for a tight grip when applying the necessary torque to disassemble & reassemble the VANOS transfer gear. The keyed socket was designed with the intent to use a "common" wrench so this can be completed at home in your garage.    

When Servicing your VANOS unit we recommend getting everything you need to replace on the way to service which includes an oil change and valve cover gasket set. Fresh oil and gaskets is the best way to start off a fresh rebuild of any kind giving you the maximum performance of your freshly serviced components.

Don't forget to check out our rebuild PDF to make sure you have everything to get the job done and eliminate the rebuild guess work.

 

This Part Fits the Following Vehicles

Make Model Submodel Engine
BMW E46 M3 S54 3.2L
BMW Z3 M Coupe S54 3.2L
BMW Z3 M Roadster S54 3.2L
BMW Z4 M Coupe S54 3.2L
BMW Z4 M Roadster S54 3.2L
*The above product applications have been written by ECS Tuning. All warranties, product application, fitment, and performance are the responsibility of ECS Tuning. For additional information see the terms of use.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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