HomeStandard Ignition US-780 Ignition Switch
Part #: US-780

Standard Ignition US-780 Ignition Switch

17 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: BMW, 525i, 530i, 540i, 525iT, 535i, and 750iL
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Overview of Standard Ignition US-780 Ignition Switch

The Standard Ignition US-780 ignition switch is designed for reliable performance in select BMW models. Engineered for a secure snap fit attachment, this ignition switch ensures proper electrical connection and durability in your vehicle's steering column.

  • Attachment Method: Snap fit for easy installation
  • Connector Gender: Male with a single rectangular connector
  • Mounting Location: Column-mounted for direct replacement
  • Terminal Configuration: Seven female pin terminals for secure electrical contact
  • Compatible with BMW 525i, 525iT, 530i, 535i, 540i, and 750iL models

Detailed Product Description

The Standard Ignition US-780 ignition switch is specifically designed to fit the steering column of various BMW models including the 525i, 525iT, 530i, 535i, 540i, and 750iL. Its snap fit attachment method allows for a straightforward installation process without the need for additional hardware. The switch features a single male rectangular connector that interfaces with the vehicle’s wiring harness, ensuring a secure and reliable electrical connection. With seven female pin terminals, this ignition switch supports the necessary electrical pathways to control ignition and accessory functions effectively.

Common Applications and Issues Addressed

  • Replacement for faulty or worn ignition switches in compatible BMW models
  • Resolves intermittent starting problems caused by poor electrical contact
  • Eliminates issues with accessory power loss when the ignition is engaged
  • Addresses steering column ignition switch failures that prevent engine start
  • Restores proper function to ignition circuits affected by terminal corrosion or damage

Installation Notes and Tips

  • Ensure the vehicle battery is disconnected before beginning installation
  • Verify the snap fit attachment aligns correctly with the steering column mounting points
  • Confirm the male rectangular connector matches the vehicle’s wiring harness connector
  • Handle the seven pin terminals carefully to avoid bending or damage
  • Test ignition switch operation before reassembling the steering column covers

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The US-780 ignition switch undergoes rigorous quality control to ensure reliable performance in BMW vehicles. Please refer to Standard Ignition’s warranty policy for specific coverage details.

BrandStandard Ignition
Part NumberUS-780
Attachment MethodSnap Fit
Connector GenderMale
Connector ShapeRectangular
Mounting LocationColumn
Terminal GenderFemale
Terminal TypePin

This part fits 17 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersPositionNotes
1995BMW525iN/Aw/o Air Bags
1995BMW530iN/Aw/o Air Bag
1994BMW525i2.5LL6N/A
1994BMW530iAutomaticN/A
1994BMW540iAutomaticN/A
1993BMW525i2.5LL6N/A
1993BMW525iT2.5LL6N/A
1993BMW535iN/Aw/o Air Bags
1992BMW525i2.5LL6N/A
1992BMW535iN/Aw/ Electric Adjusting Column
1991BMW525i2.5LL6N/A
1991BMW535iN/Aw/ Electric Adjusting Column
1990BMW525i2.5LL6N/A
1990BMW535iN/Aw/ Electric Adjusting Column
1990BMW750iL5.0LV12N/A
1989BMW525i2.5LL6N/A
1989BMW535iN/Aw/ Electric Adjusting Column

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

18-02491S595653-2734861321384839CS1140KS7140LS1052

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.