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Alta Compressor Recirculation Valve MINI S R56

Alta

SKU: AMP-TAC-106


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Product Description

Achieve a smoother driving experience for your Gen2 MINI Cooper S R56 turbo by replacing your slow and electronically-controlled compressor recirculation valve with the fast and mechanically-actuated ALTA CRV.

Quick Reaction
The stock CRV is actuated electronically by the ECU, which may sound quick, but is actually a much more delayed process than one might expect; there are delays in the ECU when determining when to open the valve. This effects how quickly it blows off, which can lead to compressor surges, which leads to turbo damage or even failure. The ALTA CRV uses the tried and true method of using intake manifold vacuum and pressure, along with turbo pressure to open the valve. This means the moment you start to lift your foot off the gas, the ALTA CRV will start to release boost pressure keeping your turbo safe!

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Holds Any Boost Level
Cars with an ECU tune that increases boost levels will enjoy this part as you will never have to worry about it leaking under boost. The BOV is designed in such a way that the boost pressure pushing it closed is greater than the pressure trying to open the valve under boost. This means that 10psi, 20psi or 30psi of boost is no problem for it to handle!

Long Lasting
Less is more! The ALTA CRV consists of four very simple purpose built parts. The diaphragm and spring are the same items used on the high tech Borg Warner EFR turbochargers, which means they are meant to easily handle extreme conditions and not fail. This is one of those parts you install and never have to worry about again.

Gets rid of Check Engine Lights
There are many Check Engine Lights/ Diagnostic Trouble Codes that start to appear as your stock CRV ages. The P28AA (Compressor Bypass Error), P2c91 (Possible Seized Compressor Bypass), P2c90 (Compressor Bypass Seized/Closed), are all very common to see on cars that have more than 50,000 miles on them. These codes all appear because of the many faults with the OEM part. Getting rid of your stock CRV can do many good things for your car, such as eliminating turbo-damaging compressor surges, eliminating DTCs/CELs for faulty or sticky CRVs, and improving both drivability and power!

Thick Diaphragm
A common problem with the stock CRV diaphragm is ripping at higher boost levels and normal wear and tear. The stock part is made of silicone and rubber with no reinforcement to it. So when it starts to fail, it fails quickly. The ALTA CRV has a high quality rubber diaphragm with reinforcement to keep it lasting for the life of your car.

Fits the following MINI models:
Gen 2
R55 2008+ Clubman S
R56 2007+ Hatchback Cooper S
R57 2009+ Convertible Cooper S
JCW 2009-2012

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