Air and Fuel› Intake Manifolds and Components

Rein /

DISA Valve for BMW N51/N52 Engines

$326.99

SKU: 11617579114

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Non-Returnable Item
INSTALL DIFFICULTY
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Moderate — 2–4 hours

Overview

The Rein Automotive DISA valve is a lower intake manifold adjusting unit for BMW N51 and N52 engines. It functions as a variable-length runner system that redirects intake air based on engine load and RPM to improve low-end and mid-range torque.
Show original supplier description
The Rein Automotive DISA valve serves as the lower intake manifold adjusting unit for various BMW vehicles equipped with the N51 or N52 engines, including the 1 Series (E82/E88), 3 Series (E90/E91/E92/E93), 5 Series (E60/E61/F10/F11), X3, X5, and Z4 models. This component functions as a butterfly flap system that manages air path length within the intake manifold; at low RPM, the flap closes to enhance low-end torque, while at middle RPM, it opens to optimize mid-range performance. The part is TUV approved and includes a two-year warranty for added reliability. Failure of the original DISA valve can result in engine sluggishness or poor throttle response. Symptoms often include a clicking sound from the driver's side of the engine bay, as well as various fault codes related to fuel trim, misfires, or lean conditions. Additionally, the external o-ring seal may degrade, potentially leading to vacuum leaks. Installation is located under the throttle body, and owners should monitor the solenoid operation to identify potential mechanical issues.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

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Specifications

BrandRein /
Part Number11617579114
CategoryAir and Fuel
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