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Details about  BMW Twin Double Dual VANOS seals repair / upgrade kit - M52 M54 M56 Viton PTFE

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BMW Twin Double Dual VANOS seals repair / upgrade kit - M52 M54 M56 Viton PTFE
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Item condition:
Apr 02, 2013 07:07:06 PDT
US $38.75
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Item location:
England GB, United Kingdom


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Last updated on  Jan 29, 2013 11:28:04 PST  View all revisions

Item specifics

New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ... Read moreabout the condition

BMW Twin Vanos Repair/Upgrade Kit



Our kit also includes the special RTV sealant required on the head half moon sections when fitting the valve cover head back on. Replacement high tensile bolts and washers for the vanos unit are also included.

Common Symptoms affiliated with Vanos seals failure

Loss in torque and power low down the rev range


Uneven linear power


Louder idle, sometimes a ticking sound can be heard

Poor take offs and accelerations

Poor fuel economy

Vanos related fault codes

It is common to find owners not knowing they have had an issue with their vanos unit until the seals have been replaced. This is due to the seals deteriorating over time and losses of performance going unnoticed.

Is My Car Affected By Vanos Seal Failures?

Any BMW that has the following engine codes will be affected:




These engines can range from 1997 to 2007 however checking via your VIN is the  most accurate way.  

What Is The Vanos Unit And Why Do They Fail Prematurely?

The vanos unit is designed to vary the the engine intake and exhaust valve  timing to help improve engine performance.

Inside the vanos unit there are 2 pistons  and in each piston there are four  seals. The seals over time leak oil due to deterioration with the manufacturers  seals, which in turn causes the vanos unit to perform poorly and effect engine  performance.

The OEM o-rings are made from Buna, a material that is not suitable to withstand  the higher temperatures found in automotive engines. As the piston seals are  removed the OEM o-rings can be found to be extremely hard and in some cases  splitting.

The long term solution is to use our 'Vanos Seal Kit' to replace the OEM Buna o-rings with Viton o-rings which are more commonly found in the automotive industry and are able to withstand the environmental affects within the vanos units better. This along with our custom manufactured PTFE rings make sure that your performance is factory restored and will last the LIFETIME of the engine, not  the manufacturers warranty period. 

It is  not possible to purchase individual seals from BMW, instead they supply either  brand new Vanos units or reconditioned vanos units. However both come with the  same weaker buna o-rings which will lead to vanos seals failure in the near future again.

These can be fitted by any competent mechanic or DIY- er. There are no special  tools required other than a waterpump pulley holding tool which can make life  easier...however a mallet and some force can be used instead.. There is no need  for any cam locking tools to perform this seal repair kit either.

Why choose i6s Vanos seals kit?

We understand that as a BMW enthusiast, you wish to have only the most highest of quality products used in your car. 

We aim to not only exceed the quality of the manufacturers seals, but that as well of the current market. Our seal kit is made to our own specified standard. The seals are manufactured to within fractions of a millimeters tolerances, any minor fluctuations in size could result in oil seeping past the seals causing the same degradation of the engines performance. 

Our Viton rings are manufactured to withstand the different temperatures found in the vanos unit. Not only is it important to withstand the highest temperatures, but it is just as important to be able to withstand the range of temperatures seals can be subjected to. This ensures long term efficiency of the seals.

Our PTFE rings are also custom made to ensure that they will not be prone to easy wear whilst in the vanos unit. It is crucial that the correct percentage of raw materials and manufacturing techniques are used to ensure they will not be susceptible to short or long term damage which would allow the Viton rings to protrude out. Our seal kits have gone though stringent amounts of piston seal testing to ensure they will last the lifetime of the car and not degrade over time.

Because we are able to manufacture in house and supply direct to end users and the trade, we can offer the most competitive prices as well ensuring that not only do you have the highest quality products, but you also receive the best value.

Our kit also includes the special BMW sealant required on the head half moon sections when fitting the valve cover head back on. Replacement high tensile bolts and washers for the vanos unit are also included.

What you will receive? 

Complete seals kit (10)
Replacement Bolts
Replacement Washers
BMW Sealant 

If you are unsure of any of the symptoms or have any questions then please call 0114 383 0450 or email us and our experienced technical support will be happy to provide assistance.

This item is covered in our 365 days no quibble returns policy. Simply return the item with the invoice to receive your refund.

About Us

i6Automotive was established in 2012, it was originally established as swirlflaps.co.uk.

Due to our phenomenal growth over the past three years and  increase in customer demand, we have expanded our product line to encompass  a wide range of products for all BMW models.

We have many repeat customers both in the UK and worldwide,  this is due to the extremely high standards of customer service we offer  both to the public and trade alike.

Contact Us

i6 Automotive can be contacted using a variety of methods.

Email - info@i6automotive.co.uk

Telephone - 0114 383  0450


i6 Automotive
6 Blackburn Road
South Yorkshire
S61 2DR

United Kingdom

Counter collections are welcome, however orders must be placed online or  over the phone, you will recieve an email when the order is ready for  collection.


Payment is taken by Paypal only on all  eBay transactions.


All products are Dispatched same  day if ordered before 2pm, otherwise it will be the next working day. Please  see below for transit times from date of dispatch. For charges of shipping  this product, please consult the postage tab on eBay.


  Normal Service Express Service
UK 1-3 Working Days by  Royal Mail Guaranteed Next Day by Courier or  Royal Mail Special Delivery.
EU Upto 7 Working Days by  airmail. Upto 3 working days by international  express courier. (usually next day)
Worldwide Upto 14 Days by  international airmail.
Please note this is not a tracked service, should you required tracking, please choose Express.
Upto 5 working days by international  express courier (usually 3-4 days)

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