18 models of 530Li 40,000 kilometers DIY replacement spark plugs_Use car, Use car

18 models of 530Li 40,000 kilometers DIY replacement spark plugs

August 15, 2024

It has been 20 months since I bought a car in the twinkling of an eye. Recently, I felt that the fuel consumption was a little higher, and I began to suspect the spark plug. Officials required 20, 000 kilometers to replace the spark plug. 20, 000 people removed a cylinder and saw that the burning was very good, so I gave up the replacement. NGK94201 was bought by the flagship store of Singles’ Day in 1919. Today, I saw that Bao has reached 39886 kilometers, so I started to change (enjoy the process by myself) 20, 000 myself to change the air and air conditioning filter element. It’s very simple to stop posting. However, before the replacement, I took a look at the evaluation of NGK. I hesitated and said everything. After it was replaced, there were wobbles, high fuel consumption, lack of cylinders, and so on. Alas, I had posted before and suspected that the calorific value of NGK94201 was 8, the calorific value of the champion of the original car was 4, and the calorific value of the corresponding NGK was 9. In this case, the calorific value of NGK94201 is lower than that of the champion of the original car, which is not possible in theory, but check the forum and consult the master. So I bought it decisively. I didn’t say too much about NGK94201 when I bought it at that time. Maybe I bought it too early. I already bought it. I can’t return it for such a long time, so try to change it.
First on the picture, brush the sense of existence

530Li under the windmill

530Li in the Night

39886 kilometers in 20 months

This fuel consumption is quite ideal.

The following is the replacement process. Take off the shield and blow it with a blower first to prevent dust.

B48 engine

The first step is to prepare the tool, torque wrench, spark plug sleeve 14m, connecting rod, 8 clubs socket, quick wrench, NGK rubber plug perfect

Tools. Torque wrench, quick wrench, spark plug sleeve, long connecting rod, 8 plum blossom sockets (bought on a treasure with spark plug in 1911) NGK rubber plug (ask a car repair friend for a drop)

The second step is to unplug the ignition coil, gently pry the small white clip on the plug with the nail cover, pull it out, then press it and easily pull it out, and then use 8 clubs to remove the screws that fix the ignition coil. hold the ignition coil with your hand and gently turn it up from left to right, just like a wine plug, bang, pull it out.

This is unplugging the ignition coil.

Ignition coil type

Ignition coil

The third step is to remove the spark plug with the spark plug sleeve, which is very simple, that is, be sure to pay attention to the perpendicular to the spark plug when unloading, so as to prevent the spark plug ceramic from being broken by tilt.

New and old spark plugs

Compared with the new and old spark plugs, the original car is still very good, it seems that the gap is a little big, keep it in reserve

The fourth step is to install a new spark plug. Be sure to use a rubber plug to cover the spark plug and gently twist it in with your hand until it cannot be twisted. Then use a torque wrench to apply vertical force with the spark plug, twisting 25 torque, OK to complete, a cylinder replacement, before and after 20 to 30 minutes, no torque wrench, you can refer to the method provided by the NGK website.

NGK94201 tightens 25 torques

This is no torque wrench, manual operation.

The fifth step is that OK installation is completed, fire test run, everything is normal, just wait for mileage to prove whether NGK can be used on B48, you can continue to follow me, I will continue to post

My stink.

Some details are not described too much, BMW 530Li B48 engine spark plug replacement is really very simple, do not need to dismantle other parts, at a glance, super simple, like to do it yourself might as well give it a try, not to say how much money saved, but their own fun, I like cars, prefer to play with and understand their own car, I do not know whether the friends believe it, I have not once washed the car outside, bought a brush water pump I wash myself at the door of the garage. I know every place on the car body like the back of my hand. I wax myself every half a year. I’m just tired, but I’m tired and comfortable. I’ll take care of my favorite car. I’ll stop here if I don’t understand the spark plug. if I’m free in a few days, I’ll replace the fuel filter element and post it again when I have time.

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18 models of 530Li 40,000 kilometers DIY replacement spark plugs