The definition of a rule is  an official regulation, code of regulations or set practice. An example of a rule is that a red light means stop. An example of a rule is an employer demanding their employees arrive at 8am.
The average cost for a fuel injector replacement is between $231 to $342. Labor costs are estimated between $168 to $213 while parts are priced between $63 to $129. Get a personalized estimate based on your location and specific car.
BMW engines are using technologies such as: Direct injection (called High Precision Injection by BMW). Engines including the turbocharged N54 and naturally-aspirated N53 (mostly European markets) used the more costly piezo injectors. However, where lean burn cannot be used (such as in North America), less costly solenoid-type injectors are often used- for example in the N54's successor, the N55.