Blow Off Valve Kit for BMW 135/235 F20/F21/F22/F23/F30/F31 Aluminum Black Piston-Type Bolt-On No Diaphragm
Main description
Upgrade your BMW’s turbocharged performance with the BMW 135/235 F20/F21/F22/F23/F30/F31 Blow Off Valve Kit in Aluminum Black (noise version). This bolt-on piston-type valve replaces the factory diaphragm unit, eliminating boost leaks caused by diaphragm rupture or piston failure—common culprits behind reduced turbo efficiency and surge in turbo wear. Designed for a precise, serviceable solution, the valve opens quickly for immediate throttle response while maintaining reliable seals and eliminating unwanted check-engine triggers.
Crafted from CNC billet alloy with high-temperature Viton O-rings, this valve delivers a compact, efficient design that minimizes vacuum space for snappier responses. The result is a more immediate throttle feel, improved boost control, and a satisfying sound characteristic that enthusiasts notice without compromising daily drivability. Compatible with a wide range of BMW N20 2.0 turbo engines across the F20/F21/F22/F23/F30/F31 chassis, it’s a straightforward upgrade for drivers seeking consistent performance and reliability from their turbo system. This is the noise version, adding a distinctive, sporty exhaust valve note to your drive.
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Benefits & Tips
- Improved throttle response and surge resistance due to faster piston opening and tighter internal clearance.
- Eliminates boost leaks associated with worn factory valves, helping maintain turbocharger efficiency and consistent power delivery.
- Fully serviceable design means long-term reliability and easier maintenance compared to non-serviceable units.
Tips for best results: ensure proper installation with compatible fittings, confirm correct orientation for your specific BMW model, and periodically inspect the Viton O-rings for signs of wear to preserve seal integrity.
Product specifications
- Model: BOV1183-VM
- Material: CNC Billet Alloy
- Finish: Aluminum Black
- O-rings: High Temp Viton O-rings
- Scope of supply: 1 x blow off valve kit
- Application: For BMW 135/235 F20 N20 2.0 Turbo (engine variants across F20/F21/F22/F23/F30/F31)
- Special features: Smaller vacuum space than other valves on the market; Fast piston opening; No boost leak; Serviceable
- External testing certification: ISO9000
- Origin: Mainland China
Package includes:
- 1 x blow off valve kit
Warnings / Reminders
Professional installation recommended. This valve is designed specifically for BMW N20 2.0 turbo engines and may require proper fitment checks to ensure optimal performance. Retain and inspect seals and fasteners regularly to maintain peak operation.
Language support
Languages supported: information not provided in the product data.
All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.
Providing quality and trusted service since 2002 at intercyprus.com.