BMW 540i Spark Plug Replacement

with Multiple Ground Electrodes Gap 0.032in ; Plug Type RC10DMC

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

Gap 0.032"

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

Gap 0.036in; Plug Type RC12PMB3

Production: 07/01/1997-, Bosch F 8 LDCR

Gap 0.032"

Bosch F 7 LDCR

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

Gap 0.040 O.E. Recommended Resistor Plug

Gap 0.032" OE Equivalent Design

Gap 0.032in; Plug Type RC10PLPB4

Gap 0.032in; Plug Type RC10WMB3

NGK BKR6EQUP : High Power

Gap 0.032"

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

Gap 0.032"

Gap .040 (in)

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)

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

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

Production: 07/01/1997-, Bosch F 8 LDCR

Gap .040 (in)

Gap 0.032"

Gap 0.032"

Bosch FGR7DQP : High Power

Bosch FGR7DQP : High Power

B58C Eng Gap 0.030" Actual OE Manufacturer; OE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs. 30,000 mi or every 3rd oil change OE Mfr Recommended Service Interval

Gap 0.030" 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

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