Asign 4PCS Iridium Spark Plugs 7558 Compatible with BMW 750iL (1988-1996), 850Ci (1993-1997), 850i (1991-1992), Replaces# ZFR5F

Product Description

【VEHICLE COMPATIBILITY】

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

• BMW 7 Series: 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996 750iL

• BMW 8 Series: 1991-1992 850i

• BMW 8 Series: 1993, 1994, 1995, 1996, 1997 850Ci

• BMW 8 Series: 1994-1995 850CSi

【INTERCHANGE PART NUMBERS】

Direct replacement for the following part numbers:

• Standard Number: ZFR5F

• Stock Number: 7558

【PREMIUM IRIDIUM PERFORMANCE】

Asign Iridium Spark Plugs are designed for superior ignition performance. The high-quality iridium center electrode provides faster, more sensitive ignition jumps and a significant increase in power performance. This advanced technology optimizes energy consumption during the ignition process and ensures efficient adaptation to your BMW’s classic V12 engine requirements.

【TECHNICAL SPECIFICATIONS】

• Center Electrode Material: Iridium

• Thread Diameter: 14mm

• Thread Length: 19mm

• Hex Size: 15.8mm (5/8")

• Spark Gap: 0.8mm

• Heat Range: 5

【OE STANDARD QUALITY】

Manufactured by a TS16949 certified manufacturer, our spark plugs meet or exceed OE durability standards. Utilizing a precise production process, these 100% brand-new auto parts ensure long-lasting reliability, improved combustion efficiency, and a smoother driving experience for your luxury vehicle.

【CUSTOMER SERVICE】

Please confirm compatibility based on your vehicle's year, model, and the OE part number. If you have any questions regarding fitment or installation for your BMW, our professional support team is available 24/7 to provide prompt assistance.