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

SKU: ALTAMP-TAC-100
$22.99 $27.00
Stock
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An uprated spring for the factory bypass valve on turbocharged second-generation Minis, sold as a small drop-in part rather than a complete valve replacement.

Verified fitment: 2007-2013 Mini Cooper S and 2008-2013 S Clubman, 2009-2013 John Cooper Works and JCW Clubman, the 2013 John Cooper Works GP, and 2012-2013 Coupe S, Coupe John Cooper Works, Roadster S and Roadster John Cooper Works.

The bypass valve on these engines is one of the cheapest things to address once boost has been raised, because the standard spring is specified for standard pressure. Swapping the spring is a fraction of the cost and effort of changing the whole valve assembly, and it is entirely reversible if you go back to stock.

Planning a tune and wondering whether the valve spring is the right first step? Ask Rev Auto Club and we will tell you what usually needs attention in what order.

American Express
Apple Pay
Discover
Google Pay
Mastercard
PayPal
Shop Pay
Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

This website is encrypted. We take your security very seriously. All transactions powered by Shopify.

Rates are approximations. Exact rates will be provided at checkout.

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

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

$22.99 $27.00

Why buy from Rev Auto Club

  • Fitment verifiedEvery part checked against your exact year, make & model before you buy.
  • Sourced by specialistsOEM & performance parts chosen by techs who work on Porsche, Ferrari, BMW & Mercedes every day.
  • Fast, free US shippingFree ground shipping on US orders — placed before 4PM EST, ships same day.
  • Local pickup & installMiami customers can pick up or have it professionally installed at our shop.

Miami's European & exotic vehicle specialists · 1141 NW 36 St, Miami FL 33127 · (305) 847-9935