Blow Off Valve BOV1115 For Vauxhall Opel Astra Corsa VXR Recirculating Aluminum Piston-Operated
Upgrade your turbocharged Vauxhall/Opel with the Vauxhall Opel Astra Corsa VXR Blow Off Valve (BOV1115) in aluminum. This recirculating, piston-operated valve is designed as a direct replacement for the OEM unit, which can fail after tuning or software upgrades. The robust aluminum construction delivers lasting performance while maintaining precise boost control, helping your engine respond quickly and smoothly after modifications.
Engineered for reliability, this valve comes complete and ready to install with no fitting kit required. It’s an ideal upgrade for tuned setups where the stock valve is pushed beyond its limits, helping to prevent sluggish boost response, compressor surge, and boost leaks that can hinder performance and driveability.
Compatible applications include Vauxhall/Opel Astra G/H with the Z20LET engine, Corsa VXR 1.6 Turbo (Z16LER), and Vauxhall Zafira A/B equipped with Z20LET. The recirculating design keeps exhaust and induction noise quieter in everyday driving while preserving the performance benefits for spirited acceleration on the road or track.
Materials and finish: made from durable aluminum in aSilver/Black finish to resist heat and wear, ensuring dependable operation under boost pressure. This is a practical, long-term upgrade that complements tuned engines without adding complexity to installation.
Benefits & Tips
- Direct replacement that reduces the risk of OEM valve failure in tuned engines, restoring reliable boost control without additional hardware.
- Recirculating design returns air to the intake, maintaining stealthy operation and compliance with street-driven vehicle requirements.
- Versatile fitment for Astra G/H Z20LET, Corsa VXR Z16LER, and Zafira A/B Z20LET – a smart upgrade for multiple Vauxhall/Opel turbo models.
- Tip: When upgrading, inspect vacuum lines for wear and ensure a clean, airtight seal during installation to maximize response and prevent leaks.
Product specifications
- Model Number: BOV1115
- Type: Recirculating, piston-operated Blow Off Valve
- Application: Astra G/H Z20LET; Corsa VXR 1.6 Turbo Z16LER; Zafira A/B with Z20LET
- Material: Aluminum
- Color: Silver / Black
- Origin: Mainland China
- Brand: None
- OEM Compatibility: Direct replacement for the OEM valve
Package includes:
- 1 x Aluminum Recirculating Blow Off Valve (BOV1115) for Vauxhall/Opel Astra, Corsa VXR and Zafira with Z20LET/Z16LER engines
Warnings/Reminders
- Direct replacement for the specified models; compatibility beyond Astra G/H Z20LET, Corsa VXR Z16LER, and Zafira A/B Z20LET is not guaranteed.
- Recirculating design means the air is returned to the intake rather than vented to atmosphere; this will affect sound and may be quieter than atmospheric BOVs.
- Complete and ready to install with no fitting kit required; professional installation is recommended if you are unsure about the process.
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