Replacing the spark plugs on your BMW Z3 is part of routine maintenance. BMW recommends replacing the spark plugs on Z3 models every 100,000 miles and on M Roadster models every 60,000 miles. As mentioned above, with all the major engine and engine management design changes over the years, spark plugs now last up to three times as long as theyView my ALL Cars Parts List (F30 and F32/F36) Talent. Tools: Set of sockets, 12 point spark plug socket, 5/8-inch thin-wall spark plug socket, flathead screwdriver, torque wrench. Parts Required: Spark plugs, Ignitions coils. Performance Gain: Engine runs well. Complementary Modification: Change air filter at same time. 1984 BMW 320i gray market. I think its the same engine as the 325e. Its a six cylinder. I replaced the rotor, rotor cap, spark plugs & spark plug wires. The vehicle turns over but doesnt crank up. Its … read more The average cost for a BMW 320i spark plug replacement is between $213 and $338. Labor costs are estimated between $143 and $180 while parts are priced between $70 and $157.
BMW E10 2002 Coupe/Conv (1967-76) BMW E21 320i Coupe (1977-83) Project Time: 2 hours. Tab: $12 to $200. Talent. Tools: 13/16th spark plug socket, extension, 10mm wrench if you are replacing the wires. Parts Required: Spark plugs, wires if needed. Performance Gain: Better mileage. Complementary Modification: New air filters.
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