Betthand Rear Right Window Regulator for BMW E90/E91 (2006–2012) — Passenger Side, Motorless OE-Fit Assembly

Betthand rear right (passenger-side) window regulator—motorless replacement built to OE specs for BMW E90/E91 models.

If the rear passenger window of your BMW E90 or E91 sticks, drops, or won’t move smoothly, replacing the regulator is often the fastest way to restore reliable operation. This Betthand assembly supplies the regulator mechanism only (motor not included), engineered to match original fitment and mounting points so it installs cleanly without modifying the door or wiring.

Which BMW years and models will this part fit?

This regulator is designed for the rear right/passenger side of a range of 3 Series models produced between 2006 and 2012. It aligns with factory attachment locations and matching hardware to simplify swapping the old unit for the new one.

• Compatible models include BMW 323i, 325i, 325xi, 328i, 328i xDrive, 328xi, 330i, 330xi, 335i, 335i xDrive, 335d and M3 (E90/E91 variants).
• Year coverage: primarily 2006–2012 depending on specific model variant.
• Replacement reference numbers: 749-469, 51357140590, BM1551111 for cross-checking with factory parts lists.

How is this regulator different from a full motorized unit?

This listing supplies the mechanical regulator assembly only — the sliding rails, brackets and mounting points are pre-installed, but the electric motor is not included. That makes it a direct repair option when the mechanism is worn but the motor still works, or when reusing a functioning motor from the original unit.

• Includes slide rails and brackets installed ready for bolting into the door.
• No motor reduces cost and simplifies shipping and handling.
• Works with the vehicle’s existing motor and electrical connector if retained from the removed part.

What should I expect during installation and setup?

Betthand ships this regulator assembled to match OE mounting points so a full-machine installation is typically straightforward for a DIYer with basic tools or for a professional technician. No additional fabrication is required and the regulator aligns with the door’s factory clips and bolts.

• Pre-assembled slide rails and mounting brackets speed installation and reduce garage time.
• Standard hand tools and a trim panel tool are usually all that’s needed.
• Test the window travel and adjust limit points if necessary after installation.

What warranty and quality assurances come with this part?

The unit is manufactured to meet original equipment standards for fit and durability and is backed by a 1-year warranty covering defects under normal use. If you encounter issues within the warranty period, Betthand provides repair or replacement options per their policy.

• Built to OE-equivalent specifications for reliable performance.
• 1-year limited warranty for peace of mind.
• Replacement part numbers provided to confirm compatibility with factory service guides.

Who this is for: This regulator is ideal for BMW owners, independent mechanics, and repair shops that need a passenger-side rear window mechanism for E90/E91 chassis models when the motor is serviceable or being reused. Choose this Betthand assembly if you want an OE-fit replacement that minimizes door modification and installation time while restoring smooth window operation.