TOPRAN 503 409 Window Regulator Switch

Compatible with BMW 3 Touring (E91) , BMW 3 (E90) ,
Direct replacement switch for your vehicle's window regulator system. Ensures smooth and reliable operation of your power windows.
28.96 EUR
inc. VAT 21%
In stock 3
Delivery 1 day (15.05.2026)
PN 503 409
Make TOPRAN

This TOPRAN 503 409 switch is designed to seamlessly integrate into your vehicle's existing window regulator system. Engineered for durability and performance, it provides a reliable solution for controlling your power windows. Restore the functionality of your power windows with this high-quality switch. It is built to meet or exceed original equipment specifications, ensuring a perfect fit and dependable operation. Easy to install, this switch is an ideal choice for DIY repairs or professional servicing. Ensure your comfort and convenience by replacing a faulty window regulator switch. This TOPRAN component offers a cost-effective way to maintain your vehicle's features and driving experience.

  • Direct fit for specific vehicle applications
  • Restores original window control functionality
  • Durable construction for long-lasting performance
  • Meets or exceeds OEM specifications
  • Ensures smooth and reliable power window operation
  • Easy installation
Installation side
front left
Vehicle designed for left-/right-hand traffic
For left side steering control
Housing material
Plastic
Color
Gray
Number of pin contacts
18"
Exterior/Interior Mirror
Mirror electrical control
  • BMW
    • 3 Touring (E91)
      • 318 d (100kW/136PS)
      • 318 i (100kW/136PS)
      • 316 d (85kW/116PS)
      • 320 i (110kW/150PS)
      • 325 i (160kW/218PS)
      • 330 i (190kW/258PS)
      • 320 d (120kW/163PS)
      • 330 d (170kW/231PS)
      • 325 xi (160kW/218PS)
      • 330 xi (190kW/258PS)
      • 330 xd (170kW/231PS)
      • 318 d (90kW/122PS)
      • 318 i (95kW/129PS)
      • 335 i (225kW/306PS)
      • 335 d (210kW/286PS)
      • 320 d (110kW/150PS)
      • 325 d (145kW/197PS)
      • 318 i (105kW/143PS)
      • 320 i (125kW/170PS)
      • 335 xi (225kW/306PS)
      • 330 i (200kW/272PS)
      • 325 i (160kW/218PS)
      • 320 d (130kW/177PS)
      • 323 i (130kW/177PS)
      • 330 d (180kW/245PS)
      • 330 d xDrive (180kW/245PS)
      • 316 i (90kW/122PS)
      • 325 i xDrive (160kW/218PS)
      • 330 i xDrive (200kW/272PS)
      • 320 d xDrive (130kW/177PS)
      • 320 d (135kW/184PS)
      • 320 d xDrive (135kW/184PS)
      • 325 d (150kW/204PS)
      • 323 i (140kW/190PS)
      • 330 i (200kW/272PS)
    • 3 (E90)
      • 318 d (100kW/136PS)
      • 320 i (110kW/150PS)
      • 325 i (160kW/218PS)
      • 330 i (190kW/258PS)
      • 320 d (120kW/163PS)
      • 318 i (95kW/129PS)
      • 318 d (90kW/122PS)
      • 330 d (170kW/231PS)
      • 325 xi (160kW/218PS)
      • 330 xi (190kW/258PS)
      • 330 xd (170kW/231PS)
      • 320 si (127kW/173PS)
      • 335 i (225kW/306PS)
      • 335 d (210kW/286PS)
      • 325 d (145kW/197PS)
      • 318 i (105kW/143PS)
      • 318 d (105kW/143PS)
      • 335 xi (225kW/306PS)
      • 325 i (160kW/218PS)
      • 325 xi (160kW/218PS)
      • 320 i (125kW/170PS)
      • 320 d (130kW/177PS)
      • 330 i (200kW/272PS)
      • 330 xi (200kW/272PS)
      • M3 (309kW/420PS)
      • 316 i (85kW/115PS)
      • 323 i (130kW/177PS)
      • 330 d (180kW/245PS)
      • 330 d xDrive (180kW/245PS)
      • 316 i (90kW/122PS)
      • 335 i xDrive (225kW/306PS)
      • 320 d xDrive (130kW/177PS)
      • 316 d (85kW/116PS)
      • 320 d (135kW/184PS)
      • 320 d xDrive (135kW/184PS)
      • 325 d (150kW/204PS)
      • 330 i (200kW/272PS)
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