Asign 8PCS Iridium Spark Plugs 4504 Compatible with BMW M5, X5, Z8, 545i, 645Ci, 745i, 745Li (2000-2010), Replaces# PK20TT, BKR6EGP

Product Description

【VEHICLE COMPATIBILITY】

Precision-engineered for high-performance compatibility with the following BMW models:

• 5 Series: 2000-2003 M5; 2004-2005 545i

• 6 Series: 2004-2005 645Ci

• 7 Series: 2002-2005 745i, 745Li

• X Series: 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 X5

• Z Series: 2000-2003 Z8

【INTERCHANGE PART NUMBERS】

Direct replacement for the following OE and manufacturer part numbers:

• Stock Number: 4504

• Standard Number: PK20TT, BKR6EGP

【PREMIUM IRIDIUM PERFORMANCE】

Our spark plugs are constructed with high-quality iridium, providing rapid ignition, powerful output, and exceptional resistance to fouling and abrasion. The extremely fine center electrode concentrates spark energy, enabling faster vehicle starting and smoother acceleration. Designed with an embedded copper core, these plugs ensure superior heat dissipation and thermal management.

【EFFICIENCY & LONGEVITY】

Asign Iridium Spark Plugs offer an extended economic service life of 40,000 to 60,000 kilometers—up to 4 times longer than standard spark plugs. By optimizing combustion efficiency, they help improve fuel economy and reduce exhaust emissions while maintaining consistent performance under high-stress driving conditions.

【ADVANCED ENGINEERING】

• Iridium Center Electrode: Enhances ignitability and ensures a stable spark for peak engine performance.

• Isostatically Pressed Ceramic Insulator: eatures high strength and superior insulation to prevent electrical leakage and withstand extreme combustion chamber pressures.

• Durable Construction: Built to resist wear and tear, ensuring a long-lasting and reliable ignition solution.

【CUSTOMER SERVICE】

To ensure a perfect fit, please confirm compatibility using your vehicle's year, make, and model along with the OE part number before purchasing. If you have any questions regarding fitment or installation for your BMW, our professional support team is available 24/7 to provide prompt assistance.