Best Spark Plugs For Bmw 325i
Top 10 Best Spark Plugs For Bmw 325i
1
4 PCS *NEW* — Denso # 5304 IRIDIUM Power Spark Plugs IK20
Price: $23.91 – $35.98
Why we chose it
- Iridium Power
- 1order 4 Pieces
- FREE SHIPPING For This Item
- Spark Plug #5304
2
Denso (5344) IKH20 Iridium Power Spark Plug, (Pack of 1)
Price: $8.23 – $14.21
Why we chose it
- Package Dimensions: 2.286 L x 8.382 H x 2.54 W (centimeters)
- Its 360 degree laser welding process: ensuring exceptional quality bond and structural strength with the iridium center electrode
- U-groove and taper cut ground electrode: provides faster spark flame growth and lessens heat quenching
- 0.4 mm iridium center electrode: world’s smallest diameter that maximizes firing potential
- Longevity3.9
- Value for money3.8
- Mileage3.8
3
Autolite 3924-4PK Copper Resistor Spark Plug, Pack of 4
Price: $9.65 – $19.57
Why we chose it
- Full copper core electrode provides better performance in all conditions
- Multi-rib insulator reduces danger of “flash-over”
- Resistor reduces radio frequency interference (RFI) and electrode erosion
- Cold-formed steel shell and precision rolled threads, with one-piece terminal post to add strength
- Copper-glass seal bonds insulator, terminal post, and center electrode together to provide a tight seal that is 100 percent leak-proof
4
NGK (6962) Spark Plug – BKR6E, One Size
Price: $2.3 – $15.43
Why we chose it
- Country Of Origin: Japan
- Package Dimensions: 1.524 cms (L) x 2.286 cms (W) x 8.128 cms (H)
- Package Quantity: 1
- Product Type: Spark Plug
5
Bosch 7404 Copper with Nickel Spark Plug (Pack of 1)
Price: $3.54 – $8.55
Why we chose it
- Bosch Copper with Nickel spark plugs feature a heavy-duty yttrium-enhanced copper core center electrode for improved durability
- Heavy-duty, yttrium enhanced copper core center electrode for reliability and performance
- Tapered, v-profile nickel chromium ground electrode for improved cold starts and fuel ignitability
6
Denso (5063) K20TXR Traditional Spark Plug, Pack of 1
Price: $3.24 – $13.95
Why we chose it
- Improved cold-starting
- Efficient fuel consumption
- Stable combustion during idling
- K20TXR
- Increases engine performance and throttle response
7
NGK (2288) BKR6EK Standard Spark Plug, Pack of 1
Price: $5.54 – $9.71
Why we chose it
- Fit Type: Vehicle Specific
- Plug Of Choice In Millions Of Vehicles
- You Can Depend On Ngk For Quality And Reliability
- Consistent Performance
8
Bosch 7402 Copper with Nickel Spark Plug (Pack of 1)
Price: $2.99 – $14.88
Why we chose it
- High wear resistance and robustness: special ceramic material with high dielectric and mechanical strength
- Supports an optimum engine performance: smooth engine operation and steady acceleration
- Plugs easy to replace: factory-pre-set electrode gap, no adjustment necessary Bosch advices not to lubricate the thread. Requested tightening torque or angle see on package
- High reliabilty: excellent cold start behaviour
9
Denso (4504) PK20TT Platinum TT Spark Plug, (Pack of 1)
Price: $4.48 – $8.99
Why we chose it
- Improve fuel economy, better acceleration and faster starts than all other single platinum plugs
- Purified alumina powder insulator provides exceptional dielectric strength and thermal conductivity, allowing the material to stand up to extreme stress
- Twin-tip technology with 11 mm platinum center electrode and 11 mm titanium enhanced ground electrode
- Purified alumina powder insulator provides exceptional dielectric strength and thermal conductivity, allowing the material to stand up to extreme stress
- Value for money4.5
- Longevity4.4
- Mileage4.4
10
Champion Double Platinum Power 7436 Spark Plug (Carton of 1)
Price: $6 – $14.95
Why we chose it
- Maintains stable operating temperature under all engine loads
- Champion double platinum spark plugs utilize an exclusive heat-active alloy The dual platinum fine-wire center electrode and platinum pad electrodes provide sharper spark focus and maximize plug life
- Double platinum conductors place platinum on both the center and ground electrodes to ensure longer plug life and minimize wear on both electrode surfaces
- V-trimmed ground electrode promotes sharper spark focus
- The fine-wire and V-trimmed electrode creates a sharper spark focus than a conventional spark plug
- Platinum center and ground electrode for greater wear resistance
- Fine-wire center electrode for greater ignitability
- An exclusive heat-active alloy allows the electrodes to reach optimal temperature quickly and maintain stable operating temperature under all engine loads
- Double Platinum Power – Premium Spark Plug. More Powerful Performance.
NGK (6962) Spark Plug - BKR6E, One Size
NGK nickel spark plugs feature a specially designed v-groove center electrode, improving ignitability and reducing quenching. The 98% pure copper core delivers increased heat dissipation for more reliable starts and reduced risk of overheating. Cold-rolled threads prevent cross-threading and damage to cylinder heads. Trivalent plating eliminates need for anti-seize. High-grade alumina silicate ceramic insulator.
- Ranking the Brands
- Denso: 40.00%
- Autolite: 10.00%
- NGK: 20.00%
- Bosch Automotive: 20.00%
- Champion: 10.00%
Comparison Table
| | | | | | | | | | |
| 4 PCS *NEW* — Denso # 5304 IRIDIUM Power Spark Plugs IK20 | Denso (5344) IKH20 Iridium Power Spark Plug, (Pack of 1) | Autolite 3924-4PK Copper Resistor Spark Plug, Pack of 4 | NGK (6962) Spark Plug – BKR6E, One Size | Bosch 7404 Copper with Nickel Spark Plug (Pack of 1) | Denso (5063) K20TXR Traditional Spark Plug, Pack of 1 | NGK (2288) BKR6EK Standard Spark Plug, Pack of 1 | Bosch 7402 Copper with Nickel Spark Plug (Pack of 1) | Denso (4504) PK20TT Platinum TT Spark Plug, (Pack of 1) | Champion Double Platinum Power 7436 Spark Plug (Carton of 1) | |
|---|---|---|---|---|---|---|---|---|---|---|
| Brand | Denso | Denso | Autolite | NGK | Bosch Automotive | Denso | NGK | Bosch Automotive | Denso | Champion |
| Core Material | Iridium | – | Copper | Copper | Copper | Copper | Copper | Copper | – | – |
| Manufacturer | Denso | Denso | Autolite | NGK | Bosch | DENSO | – | Bosch | Denso | Champion Spark Plug |
| Item Weight | 5.6 ounces | 1.76 ounces | 1.6 ounces | 0.71 ounces | 1.6 ounces | 1.76 ounces | – | 1.48 ounces | 1.44 ounces | 0.8 ounces |
| Product Dimensions | 3.62 x 3.84 x 0.96 inches | 4 x 1 x 1 inches | 1 x 4 x 3.5 inches | 0.31 x 1.14 x 3.98 inches | – | 3.35 x 0.98 x 0.98 inches | – | 9.35 x 5.51 x 3.07 inches | 1.1 x 3.4 x 1.2 inches | 3.8 x 0.9 x 0.8 inches |
| Is Discontinued By Manufacturer | No | No | – | No | No | No | – | No | No | No |
| Country of Origin | – | China | Mexico | Japan | Germany | China | – | – | – | USA |
| Top Material Type | – | – | Alloy Steel | Nickel | Nickel | – | Metal | Nickel | – | – |
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