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Standard Ignition VVT278 Engine Variable Valve Timing (VVT) Solenoid
Reliable Engine Variable Valve Timing Solenoid for BMW Models
The Standard Ignition VVT278 Engine Variable Valve Timing (VVT) Solenoid is designed to provide precise control of valve timing in select BMW vehicles. Engineered for electromagnetic activation, this solenoid supports optimal engine performance and efficiency in models such as the BMW 540i, 740i, 740iL, X5, and Z8.
- 12-volt electromagnetic activation for accurate valve timing control
- Blade terminal type with 2 male terminals for secure electrical connection
- Rectangular female connector with plug and socket design
- Durable metal and plastic housing for long-lasting operation
- Compact dimensions: 109 mm height, 32 mm length and width, 20 mm shaft diameter
- Includes one connector with two pins for reliable signal transmission
- Mounting hardware and gaskets not included
Detailed Product Description
The Standard Ignition VVT278 solenoid is a critical component in the variable valve timing system of compatible BMW vehicles. It operates using a 12-volt electromagnetic mechanism to adjust the timing of the engine valves, improving fuel efficiency and engine responsiveness. The solenoid features a blade terminal type with two male terminals and a rectangular female connector designed as a plug and socket, ensuring a secure and stable electrical connection. Its housing combines metal and plastic materials to withstand engine bay conditions while maintaining durability. With precise dimensions including a 109 mm height and a 20 mm shaft diameter, this solenoid fits seamlessly into the engine assembly of BMW 540i, 740i, 740iL, X5, and Z8 models.
Common Applications and Issues Addressed
- Restores proper variable valve timing function in BMW 540i and 740i engines
- Resolves engine performance issues related to faulty VVT solenoids in X5 and Z8 models
- Helps eliminate rough idling and poor acceleration caused by VVT system malfunctions
- Addresses check engine light triggers related to valve timing errors
- Improves fuel economy by ensuring accurate valve timing adjustments
Installation Notes and Tips
- Ensure the engine is cool before beginning installation to avoid injury
- Verify connector type and terminal orientation match the vehicle’s wiring harness
- Use appropriate tools to avoid damaging the blade terminals or connector
- Check for any oil leaks or debris around the mounting area before installation
- Since mounting hardware and gaskets are not included, reuse existing parts if in good condition or source replacements separately
Quality Assurance and Warranty
Standard Ignition manufactures the VVT278 solenoid to meet OEM specifications for fit, form, and function. The product undergoes rigorous testing to ensure reliable performance in demanding engine environments. While specific warranty details may vary, Standard Ignition typically offers coverage against defects in materials and workmanship to provide confidence in the product’s durability and operation.
| Brand | Standard Ignition |
| Part Number | VVT278 |
| Activation Style | Electromagnetic |
| Connector Gender | Female |
| Connector Shape | Rectangular |
| Connector Type | Plug; Socket |
| Gaskets Included | No |
| Height (mm) | 109 mm |
| Housing Material | Metal, Plastic |
| Length - mm | 32 |
| Mounting Hardware Included | No |
| Number of pins | 2 |
| Overall Width (mm) | 32 |
| Shaft Diameter (In) | 0.8 |
| Shaft Diameter (mm) | 20 |
| Terminal Gender | Male |
| Terminal Type | Blade |
| Voltage | 12 |
| Width - Inches | 1 1/4 |
This part fits 23 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2003 | BMW | 540i | 4.4L | V8 | N/A | |
| 2003 | BMW | X5 | 4.6L | V8 | N/A | |
| 2003 | BMW | Z8 | 4.8L | V8 | N/A | |
| 2002 | BMW | 540i | 4.4L | V8 | N/A | |
| 2002 | BMW | X5 | 4.6L | V8 | N/A | |
| 2001 | BMW | 540i | 4.4L | V8 | N/A | |
| 2001 | BMW | 740i | 4.4L | V8 | N/A | |
| 2001 | BMW | 740iL | 4.4L | V8 | N/A | |
| 2001 | BMW | X5 | 4.4L | V8 | N/A | |
| 2000 | BMW | 540i | 4.4L | V8 | N/A | |
| 2000 | BMW | 740i | 4.4L | V8 | N/A | |
| 2000 | BMW | 740iL | 4.4L | V8 | N/A | |
| 2000 | BMW | X5 | 4.4L | V8 | N/A | |
| 1999 | BMW | 540i | 4.4L | V8 | N/A | |
| 1999 | BMW | 740i | 4.4L | V8 | N/A | |
| 1999 | BMW | 740iL | 4.4L | V8 | N/A | |
| 1998 | BMW | 540i | 4.4L | V8 | N/A | |
| 1998 | BMW | 740i | 4.4L | V8 | N/A | |
| 1998 | BMW | 740iL | 4.4L | V8 | N/A | |
| 1997 | BMW | 540i | 4.4L | V8 | N/A | |
| 1997 | BMW | 740i | 4.4L | V8 | N/A | |
| 1997 | BMW | 740iL | 4.4L | V8 | N/A | |
| 1996 | BMW | 740iL | 4.4L | V8 | 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.