Catalogue

• The original intention of the modification
• Experience of modification and display of effect
• Modification list

Related models: BMW 5-Series (imported) 2020 540i fashion M sports suit

Booking a car in May 2019 and picking up 20 models of polar scrub 540i at the end of December 2019, boasting pragmatism. Combined with the previous experience of changing cars, I always felt that the changed things were worthless until they were sold.

After more than two years of stinginess and search, it has changed:
Original cerium ash cover (ears are really expensive): the original chromium plating does not match with matte car paint, cerium ash cover and car paint are matte.
M5 deputy factory carbon fiber small tail: when you get it, you feel that the rear of the car is not coordinated, and it may be better to add a small tail.
M5 chassis reinforcement kit: really have a feeling, off the track is very obvious, useful!
Bm3 first order: oneself brush is very simple answer, after really twists and turns: the factory car version is very simple, for the remote camera hand cheap to 4s to upgrade the car version, the remote camera is done, I thought it would be perfect to cover it with bm3, the result is finished-brush hang restore-unlock-change-contact bm3- for agent help (here you can write 10, 000 words). I will never upgrade my car again.
Power feeling: as far as the original factory 540i is concerned, the first step is already a ceiling, not even brilliance, the original factory F1 explosion-proof, PS4S slightly better but want to slide; never tried cup2 is mainly worried about rainy days and low temperature, as far as the street is concerned, the next step should be to increase the tire width, maybe 295or 315would be better?
21 lci taillights: or because I felt that the rear of the car was not coordinated before, so I thought it was more fashionable and more coordinated when it was changed to a new style.
Bimmercode himself brushes and hides.
Bright silver window frame trim covered with black trim
PS4S non-explosion-proof front and rear tire

In addition to the above problems after the upgrade of bm3, the other problems are very simple, and there is no more thought, which is basically a state of no desire and no desire. Until.

Until there was nothing wrong with the epidemic this year, when I took my family down the track, my wife took a lot of photos and videos and said, “just listen to you squeak all the way without exhaust sound.” no, no, no. Turned around and asked the friend who went with him how he felt. A friend said: your car is like an electric car. Why hasn’t anyone said that before? My wife still cares about me. The double stimulation once again made my desires dissatisfied.
Make up your mind to change the exhaust!
Why have you never thought about changing the exhaust? To tell you the truth, you can see it everywhere, but most of them can’t get away from the 540i. Individuals still pursue the feeling of being as quiet as a virgin and moving like a rabbit, so the one who is relatively in line with such temperament should be MP.
The research begins. It’s really expensive, even if the exhaust is expensive, a pair of tail throats are so expensive! No valve yet! It’s not in line with Jing Ruzi!
MP wants to cut the end, should it be changed together in order to restore the car in the future? There is no middle segment in MP.
Found the CUBF engraved MP exhaust, tail throat portable valve! And mid-stage physical shielding GPF! It’s kind of perfect, huh?
Looking for a case, ask 540 group friends, there are almost no 540 cases, but there are many 3 series; 540 in 21 years, some people have changed, but the response is not good, it is a bit of a scum voice; entangled
Contact CUBF, customer service is often off-line. To the boss Wechat, repeated communication learned: MP B58 tail drum structure is different from the B48 tail drum, in the middle of 21 years they made a batch but made a mistake, is in accordance with the B48 MP exhaust structure copy of the B58 exhaust, so then the sound is not right after bad feedback on the offline, now the latest is entirely in accordance with the B58MP tail drum 1:1 engraved, he thinks very good! Well, every potter praises his pot, whether you should believe it or not. Speaking of the middle section, he suggested that I change the tail drum first, and then change the middle part if it is not loud enough, for fear that I think it is too noisy. A little surprised, the balance between belief and disbelief tilted.
In the end, the price determines everything, half the price of the MP tail drum, a set of tail throat drum, let’s be a guinea pig.
Dafangkou need to match the back lip, chose the AN MP two-piece sub-black cover, need to remove and protect this is not expected before, thought the pat went up, the result was a toss.
When preparing to cut the tail drum, the owner of the modification store was very serious, just like changing his own car, saying that it was best to remove the middle and rear section together to measure accurately. Well, this had to remove the chassis reinforcement cover, which was another toss-up.
From 12:30 to 18:30

1, sound satisfaction, is the effect I want, deep and thick; the original factory tail drum should be in pursuit of the commercial attributes of the 5 series deliberately lowered the sound, CUBF I sounded basically the same as the original MP can be found, the sound released, the volume went up a stage; the tempering sound of the movement mode can be said to be completely released, I recorded before and after the contrast video, changed a lot Comfort mode does not rush to accelerate is as quiet as the original factory, sports mode dare not say to blow up the street, but it is no problem to blow up the tunnel
2Prior CUBF boss is right, fortunately did not change the middle section, otherwise the sound would really blow up the street. I suggest that cyclists change the tail section first, but it is not enough to change the middle section again. I have also struggled with the problem of cutting the middle section, but I saw that the original factory changed the MP tail drum with matching clamp connectors and you can buy three or four hundred yuan. My understanding is that although the GPF is blocked, the original factory tail drum deliberately suppresses the exhaust sound in order to pursue quietness. After changing the original factory tail drum, it depends on the personal acceptance.
3, the exhaust assembly paste is used in the connection of the middle and tail section, because this section is pressurized; do not use it on the connection between the tail drum and the tail mouth, 1 does not bear pressure 2 affects the adjustment
4. Power: I changed the exhaust just to hear it; my simple understanding is that at least in the first-order state, exhaust has nothing to do with power, so don’t expect that changing the exhaust can improve power. In addition, I had concerns about too low and twisting before, but I feel that I have driven more than 100 kilometers in the past few days and it has no effect at all, but I am not sure whether it is because I have brushed the first order of the BM3 or because the GPF in the middle section has not moved; However, as for the 540i brush first order, it was later said that the power of a rear-driving car has a bottleneck. You really can’t think about the power. Think about how to improve the tire grip.
5. The modification shop is really important. I found a store with a good reputation among Nanjing BMW riders, and went to Jurong. The boss has been doing it himself in the 4s shop for more than ten years. The sense of responsibility, experience and technology are all very important; modification not only requires 50% good parts, but only 100% good assembly technology can get 100%

540I Original tail drum sport mode BM3 first-order sound

540I modified CUBF replica MP tail drum sport mode BM3 first-order sound

1. m5 subsidiary factory carbon fiber small tail fin
2. Original cerium gray cover (ears are so expensive)
3. bm3 first order
4. M5 chassis strengthening kit
5. Bright silver window frame trim is covered with black trim
6. 21 lci taillights
7、bimmercode
8. PS4S non-explosion-proof front and rear tires
9. CUBF re-engraving MP tail drum
Graduation is temporary