Alta BPV Spring Upgrade altAMP-TAC-100 for 2007–2012 MINI Cooper S/JCW

ALTA 07-12 Mini Cooper S/JCW & 09-12 Convertible / 09-12 Clubman S/JCW BPV Spring Upgrade

The Alta BPV Spring Upgrade, part number altAMP-TAC-100, is designed for select 2007–2012 MINI Cooper S and John Cooper Works models, including applicable Convertible and Clubman S/JCW vehicles from 2009–2012. This replacement spring helps optimize bypass valve operation in turbocharged applications by providing a stronger, more consistent spring rate than the original component.

Engineered for performance-focused MINI Cooper owners, the Alta BPV Spring Upgrade supports improved boost retention and dependable valve response under increased turbocharger pressure. It is a practical upgrade for vehicles with elevated boost levels or modified induction systems, helping the bypass valve remain properly seated when boost pressure rises. The component is intended for installation in the factory bypass valve assembly and is supplied as a single spring upgrade.

Fitment: Fits select 2010–2012 MINI Cooper models, including 2007–2012 MINI Cooper S/JCW applications and 2009–2012 MINI Cooper Convertible and Clubman S/JCW models. Verify vehicle configuration and bypass valve compatibility before installation.

Important: This product is not CARB approved and may require acknowledgment of emissions-related restrictions. It is intended for applicable automotive performance use and should be installed by a qualified technician following appropriate service procedures.

Features:

• Performance-focused spring upgrade for the factory bypass valve assembly
• Helps maintain consistent valve sealing under increased turbocharger boost
• Supports improved boost retention and bypass valve response
• Designed for select 2007–2012 MINI Cooper S/JCW and 2009–2012 Convertible and Clubman S/JCW applications

Fitments:
2007 Mini Cooper S
2008 Mini Cooper S
2008 Mini Cooper S Clubman
2009 Mini Cooper John Cooper Works
2009 Mini Cooper John Cooper Works Clubman
2009 Mini Cooper S
2009 Mini Cooper S Clubman
2010 Mini Cooper John Cooper Works
2010 Mini Cooper John Cooper Works Clubman
2010 Mini Cooper S
2010 Mini Cooper S Clubman
2011 Mini Cooper John Cooper Works
2011 Mini Cooper John Cooper Works Clubman
2011 Mini Cooper S
2011 Mini Cooper S Clubman
2012 Mini Cooper Coupe John Cooper Works
2012 Mini Cooper Coupe S
2012 Mini Cooper John Cooper Works
2012 Mini Cooper John Cooper Works Clubman
2012 Mini Cooper Roadster John Cooper Works
2012 Mini Cooper Roadster S
2012 Mini Cooper S
2012 Mini Cooper S Clubman
2013 Mini Cooper Coupe John Cooper Works
2013 Mini Cooper Coupe S
2013 Mini Cooper John Cooper Works
2013 Mini Cooper John Cooper Works Clubman
2013 Mini Cooper John Cooper Works GP
2013 Mini Cooper Roadster John Cooper Works
2013 Mini Cooper Roadster S
2013 Mini Cooper S
2013 Mini Cooper S Clubman

Air Freight Prohibited: false
Not Carb Approved: true
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Regular Stock: t
Units Per Sku: 1