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NGK 48817 Ignition Coil
Reliable Ignition Performance for BMW Vehicles
The NGK COP Ignition Coil 48817 is designed to deliver consistent ignition performance for a range of BMW models. Engineered for distributorless ignition systems, this coil on plug (COP) unit ensures precise spark delivery to maintain engine efficiency and smooth operation.
- 12-volt ignition coil compatible with distributorless ignition systems
- Coil on plug (COP) design for direct spark plug connection
- Blade-type terminals with three terminal connections
- Female connector and male terminal gender for secure electrical fit
- Oil-free construction for reliable operation without leakage concerns
- Compatible with multiple BMW models including 318i, 325i, 525i, 740i, and M3
- Part number U5012 and stock number 48817 for accurate identification
About the NGK COP Ignition Coil Product Line
The NGK COP Ignition Coil line focuses on coil on plug technology, which eliminates the need for spark plug wires by mounting the coil directly on the spark plug. This design reduces energy loss and improves ignition timing accuracy. The NGK COP Ignition Coil 48817 is part of this line, providing a reliable replacement option for BMW vehicles equipped with distributorless ignition systems.
Product Details and Specifications
This ignition coil operates at 12 volts and is specifically designed for distributorless ignition systems, commonly found in modern BMW engines. The coil on plug (COP) design allows for a direct connection to the spark plug, improving ignition efficiency and reducing misfires. The unit features blade-type terminals with three connections, ensuring a secure and stable electrical interface. The female connector and male terminal gender configuration supports proper fitment and electrical compatibility. Additionally, this coil is oil-free, which helps prevent potential issues related to oil contamination or leakage.
Compatible BMW Models and Applications
- BMW 318i and 318is
- BMW 320i
- BMW 325i and 325is
- BMW 525i and 525iT
- BMW 530i
- BMW 540i
- BMW 740i and 740iL
- BMW 840Ci
- BMW M3
Common Issues Addressed by NGK COP Ignition Coil 48817
- Engine misfires or rough idling due to faulty ignition coil
- Difficulty starting the engine or intermittent stalling
- Reduced fuel efficiency caused by incomplete combustion
- Check engine light triggered by ignition system faults
- Loss of engine power or hesitation during acceleration
Installation Notes and Tips
When installing the NGK COP Ignition Coil 48817, ensure the ignition system is fully powered down to avoid electrical shock. Verify the correct orientation of the blade terminals and connector gender for a secure fit. Since this coil is designed for distributorless ignition systems, confirm compatibility with your specific BMW model before installation. No mounting bracket is included, so use the existing hardware from the original coil if necessary.
Quality Assurance and Warranty
NGK ignition coils are manufactured to meet strict quality standards for durability and performance. The NGK COP Ignition Coil 48817 undergoes rigorous testing to ensure reliable operation under various driving conditions. Warranty coverage details should be confirmed with the original equipment provider or retailer.
| Brand | NGK |
| Part Number | 48817 |
| Position | NGK COP Ignition Coil |
| Voltage | 12 |
| Ignition Type | Distributorless |
| Coil Type | Cop (coil on plug) |
| Oil Filled | No |
| Terminal Type | Blade |
| Terminal Quantity | 3 |
| Connector Gender | Female |
| Terminal Gender | Male |
| Mounting Bracket Included | No |
| Part Number | U5012 |
| Stock Number | 48817 |
This part fits 41 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1995 | BMW | 318i | 1.8L | L4 | N/A | with Direct Ignition Coil; NGK COP Ignition Coil |
| 1995 | BMW | 318is | 1.8L | L4 | N/A | with Direct Ignition Coil; NGK COP Ignition Coil |
| 1995 | BMW | 320i | 2.0L | L6 | N/A | NGK COP Ignition Coil |
| 1995 | BMW | 325i | 2.5L | L6 | N/A | NGK COP Ignition Coil |
| 1995 | BMW | 325is | 2.5L | L6 | N/A | NGK COP Ignition Coil |
| 1995 | BMW | 525i | 2.5L | L6 | N/A | NGK COP Ignition Coil |
| 1995 | BMW | 530i | 3.0L | V8 | N/A | NGK COP Ignition Coil |
| 1995 | BMW | 540i | 4.0L | V8 | N/A | NGK COP Ignition Coil |
| 1995 | BMW | 740i | 4.0L | V8 | N/A | NGK COP Ignition Coil |
| 1995 | BMW | 740iL | 4.0L | V8 | N/A | NGK COP Ignition Coil |
| 1995 | BMW | M3 | 3.0L | L6 | N/A | NGK COP Ignition Coil |
| 1994 | BMW | 318i | 1.8L | L4 | N/A | with Direct Ignition Coil; NGK COP Ignition Coil |
| 1994 | BMW | 318is | 1.8L | L4 | N/A | with Direct Ignition Coil; NGK COP Ignition Coil |
| 1994 | BMW | 320i | 2.0L | L6 | N/A | NGK COP Ignition Coil |
| 1994 | BMW | 325i | 2.5L | L6 | N/A | NGK COP Ignition Coil |
| 1994 | BMW | 325is | 2.5L | L6 | N/A | NGK COP Ignition Coil |
| 1994 | BMW | 525i | 2.5L | L6 | N/A | NGK COP Ignition Coil |
| 1994 | BMW | 530i | 3.0L | V8 | N/A | NGK COP Ignition Coil |
| 1994 | BMW | 540i | 4.0L | V8 | N/A | NGK COP Ignition Coil |
| 1994 | BMW | 740i | 4.0L | V8 | N/A | NGK COP Ignition Coil |
| 1994 | BMW | 740iL | 4.0L | V8 | N/A | NGK COP Ignition Coil |
| 1994 | BMW | 840Ci | 4.0L | V8 | N/A | NGK COP Ignition Coil |
| 1994 | BMW | M3 | 3.0L | L6 | N/A | NGK COP Ignition Coil |
| 1993 | BMW | 318i | 1.8L | L4 | N/A | NGK COP Ignition Coil |
| 1993 | BMW | 318is | 1.8L | L4 | N/A | NGK COP Ignition Coil |
| 1993 | BMW | 320i | 2.0L | L6 | N/A | NGK COP Ignition Coil |
| 1993 | BMW | 325i | 2.5L | L6 | N/A | NGK COP Ignition Coil |
| 1993 | BMW | 325is | 2.5L | L6 | N/A | NGK COP Ignition Coil |
| 1993 | BMW | 525i | 2.5L | L6 | N/A | NGK COP Ignition Coil |
| 1993 | BMW | 525iT | 2.5L | L6 | N/A | NGK COP Ignition Coil |
| 1993 | BMW | 740i | 4.0L | V8 | N/A | NGK COP Ignition Coil |
| 1993 | BMW | 740iL | 4.0L | V8 | N/A | NGK COP Ignition Coil |
| 1992 | BMW | 318i | 1.8L | L4 | N/A | NGK COP Ignition Coil |
| 1992 | BMW | 318is | 1.8L | L4 | N/A | NGK COP Ignition Coil |
| 1992 | BMW | 320i | 2.0L | L6 | N/A | NGK COP Ignition Coil |
| 1992 | BMW | 325i | 2.5L | L6 | N/A | NGK COP Ignition Coil |
| 1992 | BMW | 325is | 2.5L | L6 | N/A | NGK COP Ignition Coil |
| 1992 | BMW | 525i | 2.5L | L6 | N/A | NGK COP Ignition Coil |
| 1991 | BMW | 318i | 1.8L | L4 | N/A | NGK COP Ignition Coil |
| 1991 | BMW | 318is | 1.8L | L4 | N/A | NGK COP Ignition Coil |
| 1991 | BMW | 525i | 2.5L | L6 | N/A | NGK COP Ignition Coil |
* 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.