HKS Super SQV4 Blow-Off Valve – BMW N54 (71008-AK001)
DESCRIPTION
The HKS Super SQV4 is a universal sequential blow-off valve for BMW N54 builds using a compatible HKS-flange charge pipe. It is not a direct-fit replacement for the standard BMW charge pipe. Its pull-type, differential-pressure valve design is intended to operate consistently across low and high boost.
Key details
- HKS pull-type sequential valve design.
- Nickel-plated die-cast secondary valve.
- Compatible with HKS SSQV inserts and recirculation fittings.
- Uses the established HKS SSQV mounting flange.
UK fitment
- BMW E82/E88 135i with N54 engine.
- BMW E90/E91/E92/E93 335i with N54 engine.
- BMW E82 1M Coupé with N54 engine.
Fitment check: Requires a compatible HKS-flange charge pipe, the correct spring/vacuum setup and professional installation. It will not bolt directly to the factory charge pipe.
DISCLAIMER
Where applicable, the use of de-cats, sports cats and removing OPF/GPF systems is for off-road/motorsport use only. Using these parts may prevent your vehicle from passing an MOT test. Only EC type-approved components are legal and fit for road use.
SHIPPING & WARRANTY
Free UK shipping on all orders. In-stock orders are dispatched Monday–Friday. Please refer to the live dispatch estimate above for the current estimated dispatch day. Tracking is provided once your order is dispatched.
Warranty coverage varies by product and manufacturer. Please contact us if you need confirmation of warranty coverage before ordering. Your statutory rights are unaffected.