BMW E90 Sedan/E91 Touring Window Regulator Assembly (Rear Left – Driver Side) – Restore Smooth Window Operation | OE-Like Quality | Part No. 51357140589 | Fits E90, E91 & E90 M3

Bring your BMW’s windows back to life with this OEM-style Window Regulator Assembly, engineered specifically for the BMW E9X platform, including the E90 Sedan, E91 Touring, and E90 M3. If your window is slipping, clicking, moving slowly, or stuck completely, this direct-fit replacement restores the smooth rolling performance your BMW was designed to have.

Built to OE specifications and designed with long-lasting cable tension and reinforced track geometry, this regulator provides the perfect blend of durability, reliability, and factory-correct fitment. Simply swap your existing window motor onto this assembly, bolt it in, and enjoy flawless window operation again.

Why Replace Your Window Regulator?

The E9X chassis is known for worn or fraying regulator cables, leading to:

• Slow or jerky window movement
• Clicking noises while rolling up or down
• Window falling into the door
• Complete regulator failure

This replacement assembly solves all of those issues instantly.

Key Features

• OE-Like Quality: Matches factory fitment and performance
• Plug-and-Play Motor Swap: Reuse your original BMW motor—no coding needed
• Smooth Window Operation: Restores stable, quiet, and consistent movement
• Reinforced Cable & Track Design: Built to resist common E9X regulator failures
• Rust-Resistant Hardware: Ensures long-term reliability
• Exact Fitment: No modification required—direct bolt-in

FITMENT:

• BMW 3 Series – E90 Sedan (2006–2011)
• BMW 3 Series – E91 Touring/Wagon (2006–2012)
• BMW M3 – E90 Sedan (2008–2011)

Compatible with:

• RWD and AWD (xDrive)
• Automatic & Manual transmissions
• Left Rear Window Position

OEM Part Number (Reference)

Rear Left: 51357140589 

Please refer to the “Fitment” section in the product description for compatibility details.