BMW 528i Spark Plug Replacement

Gap 0.028in OE Type ; Plug Type RN14YC

Original Center Electrode Material is Copper/Nickel Gap 0.028 in

with Multiple Ground Electrodes Gap 0.032in ; Plug Type RC10DMC

Gap 0.044in; Plug Type REC10YC4

Original Center Electrode Material is Copper/Nickel Do Not Gap, Gap is Preset

Gap 0.032 O.E. Recommended Resistor Plug with Patented U-Groove Design

Gap 0.028" OE Equivalent Design

Gap 0.028"

Gap 0.032"

Gap .040 (in); Auto

Original Center Electrode Material is Platinum Do Not Gap, Gap is Preset with Multiple Ground Electrodes

Original Center Electrode Material is Copper/Nickel Do Not Gap, Gap is Preset

Production: -08/31/1997, Bosch F 8 LDCR

Gap 0.032"

Bosch WR9DS

Gap 0.028"

Bosch W9DC

Original Center Electrode Material is Copper/Nickel Do Not Gap, Gap is Preset

Gap 0.040 Platinum TT - Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap

Gap 0.040 Platinum TT - Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap

Gap 0.028in; Plug Type RN14PYP

Gap 0.040 O.E. Recommended Resistor Plug

Gap 0.032in; Plug Type RC10PLPB4

Gap 0.044"

Gap 0.032in; Plug Type RC10WMB3

Gap 0.044 Resistor Plug with Patented U-Groove Design

From 01/2010 Original Center Electrode Material is Platinum Do Not Gap, Gap is Preset

Gap 0.040 Platinum TT - Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap

NGK BKR6EQUP : High Power

Gap 0.032"

Original Center Electrode Material is Iridium Do Not Gap, Gap is Preset

Original Center Electrode Material is Platinum Do Not Gap, Gap is Preset

Gap 0.044"

Gap 0.044 Double Platinum Plug - Extra Long Life Double Platinum Plug with Platinum Ground Strap

Gap 0.044in; Plug Type REC10WMPB4

Gap 0.032"

Gap 0.028"

Gap .040 (in)

Gap 0.044 Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)

Gap 0.032" Actual OE Manufacturer

Gap 0.044 Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)

Gap 0.032in; Plug Type RERX5ZPYPB

Gap 0.040 Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology

Gap 0.044 Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)

Gap 0.040 Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology

Production: -08/31/1997, Bosch F 8 LDCR

Gap 0.040 Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology

Gap 0.044 O.E. Recommended Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap

Gap .040 (in)

Gap 0.032"

Gap 0.044"

Bosch FGR7DQP : High Power

Gap 0.044" Actual OE Manufacturer 60,000 mi OE Mfr Recommended Service Interval

Gap 0.044" Actual OE Manufacturer

Production: 12/01/2009-

Bosch FGR7DQP : High Power

Gap 0.032" Actual OE Manufacturer; OE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs. 60,000 mi OE Mfr Recommended Service Interval

Production: 12/01/2009-

Single; Plug Type 7IR6Y; [Available While Supplies Last];0.043 in. Plug Gap