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Standard Ignition US-781 Ignition Switch
| Brand | Standard Ignition US-781 |
|---|---|
| Attachment Method | Snap Fit |
| Connector Gender | Male |
| Connector Shape | Rectangular |
| Mounting Location | Column |
| Terminal Gender | Female |
| Terminal Type | Pin |
| Fits | BMW · 37 vehicles |
Snap-fit design. Installs securely without extra hardware.
Rectangular connector. Single male connector for a clean, simple hookup.
7-pin terminals. Female pin terminals provide a reliable electrical connection.
Cross-references Genuine 61321383365, Standard Ignition US-781 and CS1141 for the same application. See all 5.
Ignition Switch for BMW Column Mount
Standard Ignition US-781 is a column-mounted ignition switch built for direct replacement on select BMW applications. It uses a snap-fit attachment, a single rectangular male connector, and 7 female pin terminals for a clean OE-style electrical connection.
Key Features
- Column-mounted ignition switch for BMW ignition system service
- Snap-fit attachment method for secure installation
- 1 rectangular male connector with 7 female pin terminals
- Pin-style terminal design for proper circuit engagement
- Direct replacement part number US-781
Detailed Description
Standard Ignition US-781 is an ignition switch for BMW vehicles that use a column-mounted design and a rectangular single-connector layout. It is engineered for applications where the original switch has worn contacts, intermittent key response, or electrical continuity issues at the ignition circuit. This part number, US-781, also cross-references Genuine 61321383365 for the same application.
Compatible With BMW 840Ci, BMW 850Ci, BMW 850CSi, BMW 850i, BMW M3, BMW M5, BMW 318i, BMW 318is, BMW 318ti, BMW 320i, BMW 325i, and BMW 325is across the listed model years. For BMW 318i, 318is, 318ti, 320i, 325i, and 325is, verify the build date note of “to 1/95” before ordering.
What It Helps Fix
- Intermittent no-start conditions caused by ignition switch wear
- Accessory or ignition power loss at the column switch
- Key position response problems during start or run operation
- Electrical contact issues in the ignition circuit
- Replacement needs after switch failure on BMW column-mounted systems
Installation Notes and Tips
Confirm the connector shape, terminal count, and column mounting style before installation. Match the vehicle build date carefully on 1995 BMW 318i, 318is, 318ti, 320i, 325i, and 325is applications marked “to 1/95.” Inspect the harness connector and terminal condition during replacement to ensure a solid electrical connection.
Quality Assurance
Standard Ignition is a recognized aftermarket source for electrical and ignition components. US-781 is built to match the listed connector and terminal configuration for the specified BMW applications.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1997 | BMW | 840Ci | — | — | N/A | — |
| 1997 | BMW | 850Ci | — | — | N/A | — |
| 1996 | BMW | 840Ci | — | — | N/A | — |
| 1996 | BMW | 850Ci | — | — | N/A | — |
| 1995 | BMW | 318i | — | — | N/A | To 1/95 |
| 1995 | BMW | 318is | — | — | N/A | To 1/95 |
| 1995 | BMW | 318ti | — | — | N/A | To 1/95 |
| 1995 | BMW | 320i | — | — | N/A | To 1/95 |
| 1995 | BMW | 325i | — | — | N/A | To 1/95 |
| 1995 | BMW | 325is | — | — | N/A | To 1/95 |
| 1995 | BMW | 840Ci | — | — | N/A | — |
| 1995 | BMW | 850Ci | — | — | N/A | — |
| 1995 | BMW | 850CSi | — | — | N/A | — |
| 1995 | BMW | M3 | — | — | N/A | — |
| 1994 | BMW | 318i | — | — | N/A | — |
| 1994 | BMW | 318is | — | — | N/A | — |
| 1994 | BMW | 320i | — | — | N/A | — |
| 1994 | BMW | 325i | — | — | N/A | — |
| 1994 | BMW | 325is | — | — | N/A | — |
| 1994 | BMW | 840Ci | — | — | N/A | — |
| 1994 | BMW | 850Ci | — | — | N/A | — |
| 1994 | BMW | 850CSi | — | — | N/A | — |
| 1994 | BMW | M3 | 3.0L | L6 | N/A | — |
| 1993 | BMW | 318i | — | — | N/A | — |
| 1993 | BMW | 318is | — | — | N/A | — |
| 1993 | BMW | 325i | — | — | N/A | — |
| 1993 | BMW | 325is | — | — | N/A | — |
| 1993 | BMW | 850Ci | — | — | N/A | — |
| 1993 | BMW | M5 | — | — | N/A | — |
| 1992 | BMW | 318i | — | — | N/A | — |
| 1992 | BMW | 318is | — | — | N/A | — |
| 1992 | BMW | 320i | — | — | N/A | — |
| 1992 | BMW | 325i | — | — | N/A | — |
| 1992 | BMW | 325is | — | — | N/A | — |
| 1992 | BMW | 850i | — | — | N/A | — |
| 1992 | BMW | M5 | — | — | N/A | — |
| 1991 | BMW | 850i | — | — | N/A | — |
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