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NGK 49021 Ignition Coil
| Brand | NGK 49021 |
|---|---|
| Coil Type | COP (Pencil Type) |
| Connector Gender | Female |
| Ignition Type | Distributorless |
| Mounting Bracket Included | No |
| Oil Filled | No |
| Part Number | U5058 |
| Stock Number | 49021 |
| Terminal Gender | Male |
| Terminal Quantity | 3 |
| Terminal Type | Blade |
| Voltage | 12 |
| Product line | NGK COP (Pencil Type) Ignition Coil |
| Fits | BMW · 2 vehicles |
OE-standard design. Built for dependable ignition performance and durability.
COP pencil type. Compact coil design for distributorless ignition systems.
Blade terminals. Female connector with male terminals for a secure electrical connection.
Cross-references Beck/Arnley 178-8480, Continental 49021 and PRENCO 36-8212 for the same application. See all 15.
NGK COP Ignition Coil for BMW 325i and 525xi
The NGK COP (Pencil Type) Ignition Coil is built for distributorless ignition systems and is engineered to meet or exceed OE standards for durability and consistent performance. This NGK ignition coil is a direct-fit replacement for select 2006 BMW 325i and 2006 BMW 525xi applications, including 525xi models built to 4/2006.
Key Features
- NGK COP (Pencil Type) ignition coil for distributorless ignition systems
- 12-volt coil with 3-terminal blade connection
- Female connector with male terminals
- Oil-filled design: No
- Mounting bracket included: No
- Developed and tested in an ISO 17025 accredited lab
- OE-style coverage for late-model domestic and import vehicles
Product Details
NGK’s COP (Pencil Type) Ignition Coil line is part of the brand’s ignition-focused product range, backed by decades of OE experience and controlled manufacturing standards. Part number 49021 is designed for precise ignition performance in distributorless systems, helping maintain stable spark delivery in the BMW 325i and BMW 525xi. This part cross-references Standard Ignition UF-570 for the same application.
Compatible With 2006 BMW 325i, N/A. Compatible With 2006 BMW 525xi, N/A, to 4/2006. Use part number 49021 when matching the coil to the vehicle’s original ignition coil specification.
Common Symptoms This Part May Address
- Engine misfire under load or at idle
- Rough running or uneven acceleration
- Hard starting caused by weak ignition output
- Check engine light related to ignition coil faults
- Loss of spark consistency in distributorless ignition systems
Installation Notes and Tips
Verify the connector style, terminal count, and coil type before installation. Confirm fitment by model and build date, especially for the 2006 BMW 525xi, which is listed only through 4/2006. Inspect the spark plug and related ignition components during replacement to help avoid repeat coil failure. Match the original part number 49021 or U5058 when cross-checking the application.
Quality Assurance
NGK manufactures ignition coils to OE-level standards and validates designs in an ISO 17025 accredited test environment. The brand’s long-standing ignition expertise and broad vehicle coverage support consistent product quality for BMW 325i and BMW 525xi service work.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2006 | BMW | 325i | 3.0L | L6 | N/A | NGK COP (Pencil Type) Ignition Coil |
| 2006 | BMW | 525xi | 3.0L | L6 | N/A | To 4/2006; NGK COP (Pencil Type) Ignition Coil |
| No rows match your filter. | ||||||