SecosAutoparts DISA Intake Manifold Adjusting Units 2PCS Left & Right for BMW 2009-2015 — Bench-Tested, Direct Fit

SecosAutoparts 2PCS left and right DISA (intake manifold adjusting) units replace worn BMW vacuum flap actuators to restore air‑intake control across the RPM range.

This replacement pair is made for a range of BMW N52/N53 six‑cylinder and some four‑cylinder engines from 2009–2015, offering direct-fit service parts to address rough idling, reduced throttle response, or diagnostic codes related to the intake manifold adjustment system. Each order includes one left and one right adjuster unit, individually inspected and bench-tested before shipment to ensure consistent operation and long-term durability.

Which BMW models and years will these DISA units fit?

These units are compatible with many BMW models that use the adjustable intake manifold design. They suit late‑2000s to mid‑2010s chassis that commonly develop wear in the vacuum flap actuator assemblies.

• Compatible models: BMW X5, X3, Z4, 328i, 330i, 528i, 530i, 128i (select trims)
• Covered years: 2009 through 2015 vehicle model years
• Service part numbers cross-referenced: 11617522929, 11617579114, 11617560537, 11617560538 and related variants

How do these left and right adjust units improve engine performance?

When the intake flap actuators fail or stick, airflow balance and timing across engine speeds can be affected, often triggering check‑engine lights or hesitation. Replacing both sides restores the intake manifold’s ability to alter runner length and airflow path, improving consistency of throttle response and idle stability.

• Restores proper intake runner control across RPM ranges
• Helps eliminate codes and symptoms tied to DISA failure
• Bench‑tested to ensure movement and sealing before shipping

What’s included and how reliable are these aftermarket units?

The package contains one left adjust unit and one right adjust unit, packaged for immediate installation. SecosAutoparts inspects each unit and performs bench tests to confirm correct operation; the construction and quality checks aim for dependable, long‑term service when installed correctly.

• Package contents: 1x left unit + 1x right unit
• Manufacturing notes: precision workmanship and factory inspection
• Quality assurance: machine testing prior to shipping and pre‑shipment checks

Can I install these myself or should a technician do it?

Installation difficulty depends on your mechanical skill and access to basic tools; many experienced DIYers can replace DISA units with moderate mechanical ability. If you lack experience with intake components or tight engine bay work, a professional shop will ensure correct fit, gasket sealing, and calibration if needed.

• DIY: moderate skill level, basic tools, follow torque specs and sealer guidance
• Professional install: recommended if you lack experience or need fault clearing
• Tip: replace both sides together to ensure matched performance

Who is this for: This product is intended for BMW owners, DIY mechanics, and independent repair shops servicing X5, X3, Z4 and compatible 3/5‑series models from 2009–2015 that show DISA‑related symptoms or fault codes. Choose this SecosAutoparts left/right adjuster pair if you want direct‑fit replacements with factory inspection and bench testing to help return intake manifold function to expected levels.