.jpeg?q=90&p=thumb&w=200&h=200)
.jpeg?q=90&p=thumb&w=40&h=40)
Brakes 
Driveline 
Electronics 
Handlebars & Controls 
Package Deals 
Wheel Accessories 
Wheels by Vehicle 
Tools and Maintenance 
Universal & Repair 
Vivid Racing Gear 
HKS 50003-MR45XLB Spark Plug
Meet the HKS 50003-MR45XLB spark plug, engineered for both stock and tuned engines. This spark plug stands out with its enhanced ignition reliability, durability, and resistance to insulation, making it a perfect choice for enthusiasts and everyday drivers alike.
Key Features:
- Compatibility: Designed specifically for the BMW B series engines (B58, B48, B38) and the Toyota GR Supra, ensuring a perfect fit for your vehicle.
- Advanced Design: Features an M12 and Bi-HEX14 shape, making it easy to install without hassle.
- Durable Construction: The central electrode is alloyed with ruthenium, enhancing its lifespan and performance.
- Improved Ignition: A reduced center electrode diameter of 0.6mm lowers the required voltage for ignition, outperforming standard plugs (0.8mm).
- Platinum Alloy Ground Electrode: This feature boosts durability and ignitability, while a copper core helps manage temperature, further extending the plug's life.
- Compact Design: The MR45XLB is crafted to minimize protrusion into the combustion chamber, making it more resilient to high temperatures found in tuned vehicles.
Specifications:
- Thread Size: D12 L-26.5mm
- Wrench Size: Bi-HEX 14
- Heat Range: Equivalent to NGK 9
- JAN Code: 4957266720547
- Type: RESISTOR PLUG
Fitment:
- BMW B-Series (B58/B48/B38) 2014-Current
- Mini One F55/F56 2014-Current
- Mini Cooper F55/F56 2014-Current
- Mini Cooper S F55/F56 2014-Current
- Mini JCW F55/F56 2015-Current
- Mini Cooper F57 Cabrio 2016-Current
- Mini Cooper S F57 Cabrio 2016-Current
- Mini JCW F57 Cabrio 2016-Current
- Mini One F54 Clubman 2016-Current
- Mini Cooper F54 Clubman 2015-Current
- Mini Cooper S F54 Clubman 2015-Current
- Mini Cooper S All4 F54 Clubman 2016-Current
- Mini JCW F54 Clubman 2017-Current
- Mini One F60 Countryman/Crossover 2020-Current
- Mini Cooper F60 Countryman/Crossover 2020-Current
- Mini Cooper ALL4 F60 Countryman/Crossover 2020-Current
- Mini Cooper SE ALL4 F60 Countryman/Crossover 2020-Current
- Mini Cooper S F60 Countryman/Crossover 2020-Current
- Mini Cooper S ALL4 F60 Countryman/Crossover 2020-Current
- Mini JCW F60 Countryman/Crossover 2019-Current
- Toyota GR Supra 2019-Current
Customer Insights:
Users have praised the HKS 50003-MR45XLB for its reliability and performance, particularly in tuned setups. Many have noted improved throttle response and smoother acceleration, making it a favorite among car enthusiasts looking to maximize their vehicle's potential.
Note: Images are for illustration purposes only. Actual product may vary.
Proposition 65
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
Since its beginning, HKS has been committed to providing well-integrated, reliable,and environmentally sound performance systems. Mr. Hasegawa's strong leadership, engineering genius, creativity and willingness to listen to customers are the pillars of the company's success. Monitoring consumer reaction and input on issues pertaining to material quality, external appearance, sound quality, and of course, performance, HKS stays in tune with automotive enthusiasts' needs. Moreover, HKS' products are designed to be user friendly for easy installation.
Warranty for Exhaust System
HKS provides a warranty to the original purchaser of HKS exhaust systems against defects in materials and workmanship for a period of one year. The warranty applies only for vehicle specific exhaust systems. Other products such as metal catalyzers, front pipes, exhaust manifolds, and center pipes are not covered.
Check out these other great products
Error: Failed to add product
Please refresh the page and try again.