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Standard Ignition SS-378 Starter Solenoid
Reliable Starter Solenoid for BMW Vehicles
The Standard Ignition SS-378 starter solenoid is engineered to provide dependable starting performance for a wide range of BMW models. Designed with precise specifications, this solenoid ensures consistent electrical engagement for your vehicle's starting system.
- Compatible with multiple BMW models including 318i, 325i, 330i, 535i, M3, M5, X3, Z3, and Z4
- Durable black and gold dichromate and plastic finish for corrosion resistance
- 12-volt operation with six terminals featuring stud and blade types
- Compact size: 2.4 inches (60.96 mm) length with three mounting holes
- Male terminal gender with 0.18 inch (4.572 mm) lug hole diameter
Product Details and Specifications
The Standard Ignition SS-378 starter solenoid is designed for use in BMW vehicles requiring a 12-volt solenoid with six terminals. Its black and gold dichromate finish combined with plastic components offers protection against environmental wear. The solenoid features a compact 2.4-inch length and three mounting holes for secure installation. Terminals include both stud and blade types, all male, facilitating reliable electrical connections. This solenoid is not rated for continuous duty and does not include hardware, mounting brackets, or springs, so ensure compatibility with your vehicle's existing components.
Compatible BMW Models and Applications
This starter solenoid is compatible with a broad range of BMW models, including but not limited to the 318i, 318is, 318ti, 323Ci, 323i, 323is, 325Ci, 325e, 325es, 325i, 325is, 325iX, 325xi, 328Ci, 328i, 328is, 330Ci, 330i, 330xi, 525i, 528e, 528i, 530i, 535i, 535is, 635CSi, 735i, 735iL, M3, M5, M6, X3, Z3, and Z4. This makes it suitable for owners and technicians working on a variety of BMW vehicles requiring a reliable starter solenoid replacement.
Common Issues Addressed by the SS-378 Starter Solenoid
- Intermittent or no engine start due to solenoid failure
- Clicking sounds when turning the ignition key
- Starter motor not engaging properly
- Electrical connection problems in the starting circuit
- Corrosion or wear on existing solenoid terminals
Installation Notes and Tips
Before installation, verify that the Standard Ignition SS-378 matches the specifications of your original solenoid, including terminal type and mounting hole configuration. This solenoid does not include mounting hardware or springs, so reuse existing components or source compatible parts. Ensure all electrical connections are clean and secure to prevent starting issues. Disconnect the battery before installation to avoid electrical shorts or injury.
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM standards for fit and function. The SS-378 starter solenoid undergoes quality control testing to ensure reliable performance. While specific warranty details may vary, Standard Ignition typically offers coverage against defects in materials and workmanship. Consult product documentation or your supplier for exact warranty terms.
| Brand | Standard Ignition |
|---|---|
| Part Number | RY-773 |
| Connector Gender | No Connector |
| Contents | Relay |
| Continuous Duty | No |
| Functions | Relay |
| Mounting Bracket(s) Included | No |
| Terminal Gender | Male |
| Terminal Type | Blade Terminals |
| Voltage | 12 |
This part fits 172 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2006 | BMW | 325Ci | 2.5L | L6 | N/A | Denso | |
| 2006 | BMW | 330Ci | 3.0L | L6 | N/A | Denso | |
| 2006 | BMW | 330i | 3.0L | L6 | N/A | Denso | |
| 2006 | BMW | 330xi | 3.0L | L6 | N/A | Denso | |
| 2006 | BMW | X3 | 3.0i | 3.0L | L6 | N/A | Denso |
| 2005 | BMW | 325Ci | 2.5L | L6 | N/A | Denso | |
| 2005 | BMW | 325i | 2.5L | L6 | N/A | Denso | |
| 2005 | BMW | 325xi | 2.5L | L6 | N/A | Denso | |
| 2005 | BMW | 330Ci | 3.0L | L6 | N/A | Denso | |
| 2005 | BMW | 330i | 3.0L | L6 | N/A | Denso | |
| 2005 | BMW | 330xi | 3.0L | L6 | N/A | Denso | |
| 2005 | BMW | X3 | 2.5i | 2.5L | L6 | N/A | Denso |
| 2005 | BMW | X3 | 3.0i | 3.0L | L6 | N/A | Denso |
| 2005 | BMW | Z4 | 3.0i | 3.0L | L6 | N/A | Denso Starter |
| 2005 | BMW | Z4 | 2.5i | 2.5L | L6 | N/A | Denso Starter |
| 2004 | BMW | 325Ci | 2.5L | L6 | N/A | Denso | |
| 2004 | BMW | 325i | 2.5L | L6 | N/A | Denso | |
| 2004 | BMW | 325xi | 2.5L | L6 | N/A | Denso | |
| 2004 | BMW | 330Ci | 3.0L | L6 | N/A | Denso | |
| 2004 | BMW | 330i | 3.0L | L6 | N/A | Denso | |
| 2004 | BMW | 330xi | 3.0L | L6 | N/A | Denso | |
| 2004 | BMW | 525i | N/A | Denso | |||
| 2004 | BMW | 530i | N/A | Denso | |||
| 2004 | BMW | X3 | 3.0L | L6 | N/A | Denso | |
| 2004 | BMW | X3 | 2.5L | L6 | N/A | Denso | |
| 2004 | BMW | Z4 | 2.5i | 2.5L | L6 | N/A | Denso Starter |
| 2004 | BMW | Z4 | 3.0i | 3.0L | L6 | N/A | Denso Starter |
| 2003 | BMW | 325Ci | 2.5L | L6 | N/A | Denso | |
| 2003 | BMW | 325i | 2.5L | L6 | N/A | Denso | |
| 2003 | BMW | 325xi | 2.5L | L6 | N/A | Denso | |
| 2003 | BMW | 330Ci | 3.0L | L6 | N/A | Denso | |
| 2003 | BMW | 330i | 3.0L | L6 | N/A | Denso | |
| 2003 | BMW | 330xi | 3.0L | L6 | N/A | Denso | |
| 2003 | BMW | 525i | N/A | Denso | |||
| 2003 | BMW | 530i | N/A | Denso | |||
| 2003 | BMW | Z4 | 3.0L | L6 | N/A | Denso Starter | |
| 2003 | BMW | Z4 | 2.5L | L6 | N/A | Denso Starter | |
| 2002 | BMW | 325Ci | N/A | ||||
| 2002 | BMW | 325i | N/A | ||||
| 2002 | BMW | 325xi | N/A | ||||
| 2002 | BMW | 330Ci | N/A | ||||
| 2002 | BMW | 330i | N/A | ||||
| 2002 | BMW | 330xi | N/A | ||||
| 2002 | BMW | 525i | N/A | w/ Touring Package | |||
| 2002 | BMW | 530i | N/A | ||||
| 2002 | BMW | Z3 | 2.5L | L6 | N/A | ||
| 2002 | BMW | Z3 | 3.0L | L6 | N/A | ||
| 2001 | BMW | 325Ci | N/A | ||||
| 2001 | BMW | 325i | N/A | ||||
| 2001 | BMW | 325xi | N/A | ||||
| 2001 | BMW | 330Ci | N/A | ||||
| 2001 | BMW | 330i | N/A | ||||
| 2001 | BMW | 330xi | N/A | ||||
| 2001 | BMW | 525i | N/A | Not compatible with vehicles equipped with Auto Headlights | |||
| 2001 | BMW | 530i | N/A | ||||
| 2001 | BMW | Z3 | 3.0L | L6 | N/A | ||
| 2001 | BMW | Z3 | 2.5L | L6 | N/A | ||
| 2000 | BMW | 323Ci | N/A | ||||
| 2000 | BMW | 323i | N/A | ||||
| 2000 | BMW | 328Ci | N/A | ||||
| 2000 | BMW | 328i | N/A | ||||
| 2000 | BMW | 528i | N/A | ||||
| 2000 | BMW | Z3 | 2.8L | L6 | N/A | Bosch Starter | |
| 2000 | BMW | Z3 | 3.2L | L6 | N/A | ||
| 2000 | BMW | Z3 | 2.5L | L6 | N/A | ||
| 1999 | BMW | 318ti | N/A | Starter Drive fitment note: Verify compatibility with your vehicle's make, model, and engine size prior to buying. | |||
| 1999 | BMW | 323i | 2.5L | L6 | N/A | ||
| 1999 | BMW | 323is | 2.5L | L6 | N/A | ||
| 1999 | BMW | 328i | N/A | ||||
| 1999 | BMW | 328is | N/A | ||||
| 1999 | BMW | 528i | N/A | ||||
| 1999 | BMW | M3 | N/A | ||||
| 1999 | BMW | Z3 | 3.2L | L6 | N/A | ||
| 1999 | BMW | Z3 | 2.8L | L6 | N/A | ||
| 1999 | BMW | Z3 | 2.5L | L6 | N/A | ||
| 1998 | BMW | 318i | 1.9L | L4 | N/A | ||
| 1998 | BMW | 318is | 1.9L | L4 | N/A | ||
| 1998 | BMW | 318ti | 1.9L | L4 | N/A | ||
| 1998 | BMW | 323i | N/A | ||||
| 1998 | BMW | 323is | N/A | ||||
| 1998 | BMW | 328i | N/A | ||||
| 1998 | BMW | 328is | N/A | ||||
| 1998 | BMW | 528i | N/A | ||||
| 1998 | BMW | M3 | N/A | ||||
| 1998 | BMW | Z3 | 1.9L | L4 | N/A | ||
| 1998 | BMW | Z3 | 3.2L | L6 | N/A | ||
| 1998 | BMW | Z3 | 2.8L | L6 | N/A | ||
| 1997 | BMW | 318i | 1.9L | L4 | N/A | ||
| 1997 | BMW | 318is | 1.9L | L4 | N/A | ||
| 1997 | BMW | 318ti | 1.9L | L4 | N/A | ||
| 1997 | BMW | 328i | N/A | ||||
| 1997 | BMW | 328is | N/A | ||||
| 1997 | BMW | 528i | N/A | ||||
| 1997 | BMW | M3 | N/A | ||||
| 1997 | BMW | Z3 | 2.8L | L6 | N/A | ||
| 1997 | BMW | Z3 | 1.9L | L4 | N/A | ||
| 1996 | BMW | 318i | 1.9L | L4 | N/A | ||
| 1996 | BMW | 318is | 1.9L | L4 | N/A | ||
| 1996 | BMW | 318ti | 1.9L | L4 | N/A | ||
| 1996 | BMW | 328i | N/A | ||||
| 1996 | BMW | 328is | N/A | ||||
| 1996 | BMW | M3 | N/A | ||||
| 1996 | BMW | Z3 | 1.9L | L4 | N/A | ||
| 1995 | BMW | 318i | N/A | ||||
| 1995 | BMW | 318is | N/A | 105 Amp Alternator | |||
| 1995 | BMW | 318ti | N/A | ||||
| 1995 | BMW | 325i | N/A | ||||
| 1995 | BMW | 325is | N/A | ||||
| 1995 | BMW | 525i | N/A | 140 Amp | |||
| 1995 | BMW | M3 | N/A | ||||
| 1994 | BMW | 318i | N/A | 1.4 Kw | |||
| 1994 | BMW | 318is | N/A | 1.4 Kw | |||
| 1994 | BMW | 325i | N/A | ||||
| 1994 | BMW | 325is | N/A | ||||
| 1994 | BMW | 525i | N/A | 140 Amp | |||
| 1993 | BMW | 318i | N/A | 1.4 Kw | |||
| 1993 | BMW | 318is | N/A | 1.4 Kw | |||
| 1993 | BMW | 325i | N/A | ||||
| 1993 | BMW | 325is | N/A | ||||
| 1993 | BMW | 525i | 2.5L | L6 | N/A | 1.7 Kw | |
| 1993 | BMW | 535i | 3.5L | L6 | N/A | 1.7 Kw | |
| 1993 | BMW | M5 | 3.6L | L6 | N/A | 1.7 Kw | |
| 1992 | BMW | 318i | N/A | 1.4 Kw | |||
| 1992 | BMW | 318is | N/A | 1.4 Kw | |||
| 1992 | BMW | 325i | N/A | ||||
| 1992 | BMW | 325is | N/A | 105 Amp Alternator Brush Set for various alternator models | |||
| 1992 | BMW | 525i | 2.5L | L6 | N/A | 1.4 Kw | |
| 1992 | BMW | 535i | 3.5L | L6 | N/A | 1.4 Kw | |
| 1992 | BMW | 735i | 3.5L | L6 | N/A | 1.7 Kw | |
| 1992 | BMW | 735iL | 3.5L | L6 | N/A | 1.7 Kw | |
| 1992 | BMW | M5 | 3.6L | L6 | N/A | 1.4 Kw | |
| 1991 | BMW | 318i | 1.8L | L4 | N/A | ||
| 1991 | BMW | 318is | 1.8L | L4 | N/A | ||
| 1991 | BMW | 325i | N/A | ||||
| 1991 | BMW | 325is | N/A | ||||
| 1991 | BMW | 325iX | N/A | ||||
| 1991 | BMW | 525i | 2.5L | L6 | N/A | 1.4 Kw | |
| 1991 | BMW | 535i | 3.5L | L6 | N/A | 1.7 Kw | |
| 1991 | BMW | 735i | 3.5L | L6 | N/A | 1.4 Kw | |
| 1991 | BMW | 735iL | 3.5L | L6 | N/A | 1.7 Kw | |
| 1991 | BMW | M5 | 3.6L | L6 | N/A | 1.7 Kw | |
| 1990 | BMW | 325i | N/A | ||||
| 1990 | BMW | 325is | N/A | ||||
| 1990 | BMW | 325iX | N/A | ||||
| 1990 | BMW | 525i | 2.5L | L6 | N/A | 1.7 Kw | |
| 1990 | BMW | 535i | 3.5L | L6 | N/A | 1.7 Kw | |
| 1990 | BMW | 735i | 3.5L | L6 | N/A | 1.7 Kw | |
| 1990 | BMW | 735iL | 3.5L | L6 | N/A | 1.7 Kw | |
| 1989 | BMW | 325i | N/A | ||||
| 1989 | BMW | 325is | N/A | ||||
| 1989 | BMW | 325iX | N/A | ||||
| 1989 | BMW | 525i | 2.5L | L6 | N/A | 1.7 Kw | |
| 1989 | BMW | 535i | 3.5L | L6 | N/A | 1.7 Kw | |
| 1989 | BMW | 635CSi | 3.5L | L6 | N/A | 1.7 Kw | |
| 1989 | BMW | 735i | 3.5L | L6 | N/A | 1.7 Kw | |
| 1989 | BMW | 735iL | 3.5L | L6 | N/A | 1.7 Kw | |
| 1988 | BMW | 325i | N/A | ||||
| 1988 | BMW | 325is | N/A | ||||
| 1988 | BMW | 325iX | N/A | ||||
| 1988 | BMW | 528e | N/A | 1.5 Kw | |||
| 1988 | BMW | 535i | 3.5L | L6 | N/A | 1.7 Kw | |
| 1988 | BMW | 535is | 3.5L | L6 | N/A | 1.7 Kw | |
| 1988 | BMW | 635CSi | 3.5L | L6 | N/A | 1.7 Kw | |
| 1988 | BMW | 735i | 3.5L | L6 | N/A | 1.7 Kw | |
| 1988 | BMW | 735iL | 3.5L | L6 | N/A | 1.7 Kw | |
| 1988 | BMW | M5 | 3.5L | L6 | N/A | 1.7 Kw | |
| 1988 | BMW | M6 | 3.5L | L6 | N/A | 1.7 Kw | |
| 1987 | BMW | 325e | N/A | ||||
| 1987 | BMW | 325es | N/A | ||||
| 1986 | BMW | 325e | N/A | ||||
| 1986 | BMW | 325es | N/A | ||||
| 1985 | BMW | 325e | N/A |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.