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HKS Racing SQV BOV BMW 135i | 1M | 335i | 335is | 535i | Z4 06-18 - 71008-AK004

HKS RACING SQV Blow-Off Valve (Model: 71008-AK004)

Upgrade your BMW's performance with the HKS RACING SQV Blow-Off Valve, designed specifically for high-power and large displacement engines. This innovative 3-chamber valve features a large 51mm opening, ensuring reliable operation under various boost levels without the need for constant adjustments.

Key Features

  • 51mm Large Valve: Perfectly suited for high-power engines, maximizing airflow and performance.
  • Reliefless Design: Ensures stable operation across all boost levels, eliminating the risk of premature pressure relief.
  • Adjustable Preload Setting: Customize air release timing for optimal performance tailored to your vehicle's specifications.

Specifications

This blow-off valve has undergone rigorous durability testing, exceeding 1 million operations to minimize the chances of valve sticking, ensuring long-lasting performance. It’s the ideal choice for enthusiasts looking to improve their vehicle's responsiveness and reliability.

Vehicle Fitment

  • BMW 135i | 1M | 335i | 335is (2006-2012)
  • BMW 535i (2008-2010)
  • Z4 35i (2009-2018)

Customer Insights

Many users have reported noticeable improvements in throttle response and overall engine performance after installing the HKS RACING SQV. Its adjustable preload feature allows for fine-tuning, ensuring that it meets the unique demands of each vehicle setup.

Important Notes

  • Images are for marketing purposes only; actual product may vary.

Learn More

Other Part Numbers:
HKS #hks71008-AK004

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Since its beginning, HKS has been committed to providing well-integrated, reliable,and environmentally sound performance systems. Mr. Hasegawa's strong leadership, engineering genius, creativity and willingness to listen to customers are the pillars of the company's success. Monitoring consumer reaction and input on issues pertaining to material quality, external appearance, sound quality, and of course, performance, HKS stays in tune with automotive enthusiasts' needs. Moreover, HKS' products are designed to be user friendly for easy installation.

Warranty for Exhaust System

HKS provides a warranty to the original purchaser of HKS exhaust systems against defects in materials and workmanship for a period of one year. The warranty applies only for vehicle specific exhaust systems. Other products such as metal catalyzers, front pipes, exhaust manifolds, and center pipes are not covered.

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Things
Sale price None
Wholesale price $280.37
Shipping Weight: 1.90
Length: 8
Width: 6
Height: 5
Product Added At Wednesday 08 August, 2018
Product Modified At Friday 11 July, 2025
Imported By ETLOverride
Last Edited By Turn_API
View In Admin

Emissions Info
Carb Approved No
Carb Number -
Epa Status N/A
Prop65 Unknown
Carb Required -
Vendors
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Vendor Inv Cost Retail Jobber Strict MAP Core Updated
Turn 14 $237.60 $330.00 ? $297.00 ? 2025-07-11 10:24:54


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