BMW E92 325i N52 AC Compressor KNOCKING: IT ALL GOES WRONG!
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- เผยแพร่เมื่อ 12 พ.ค. 2021
- BMW E92 325i N52 AC Compressor KNOCKING: Replacement Attempt 1
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You guys are heros, my n54 has been doing this and I thought it was rod knock, but the engine is healthy and it makes this noise when the ac is off
Little tip for you for next time. Given the top hose was already broken, if it doesn't want to separate from the radiator or inlet housing, use a Dremel or a hacksaw to cut through the outside of the connection, and break a couple of pieces away. That will save the radiator from being put under too much pressure. The problem with using heat on plastic is you run the risk of melting the two together and forming a stronger bond. If the hose connector is already stuffed, destroy it carefully, and save the rest. Would've taken maybe 15 minutes with a hacksaw blade to cut a couple of grooves and snap a big chunk of it off the radiator without any damage.
I think using WD40 or bp blaster will save the radiator
Sheeshhh,
one after another brotha.
I feel your pain, I feel like I was going threw the same thing with my E92 awhile back! lol
Keep the content coming, I start freaking out pushing refresh everyday on the Tab for "Zero To 60" that stays open lmao.
Stay Blessed.
Thanks man haha. It’s the way it goes sometimes. It’s these frustrations that make us appreciate the good times.
hi andrew i looked at my other 335i and there is a wiring loom that runs along the inside of the car on the left side against the inner seal panel right where your damage is and it leads up to the fuse box behind the glove box so i would check it to see if it is damaged and blown a fuse or 2 lift the carpet on scuff plate and it is about 30mm round hope this helps cheers glenn
Great idea, did my compressor yesterday and was swapped in a couple of hours doing it this way 👌🏻 very tight fit indeed but way less hassle than opening the cooling hoses
Glad it helped
My 06 330i did the exact same thing. My buddy was all “i think your engines knocking”😂😂 about to change it now.
I have a faulty AC compressor in my Mini, after reading a few things I think I'm going to try and change the coil in the clutch of the compressor and save having to de gas and re gas the system
Hey, Greetings from germany. Do you have any special requirements for the O-Rings? i cant find the right ones in the parts cataloque
Good time to do a cooling system refresh when you replace an AC compressor haha. Your doing half the cooling system now may be a good idea to the other half and it will be sweet.
If it’s got this knock do you know if the ac will continue to work?
I spent 8 hours chiseling off a front ball joint from my E53, the control arm would not separate. I feel your pain.
I seen in the comments where one OP changed the pulley. I also ordered a pulley from ebay. TRUST ME JUST CHANGE THE PULLEY IT WILL FIX THE PROBLEM
I have two E60s (08 and 09) that use that non clutch type variable compressor (on the video looks like the denso 7SEU17C) and have found that they work relatively fine but do suffer issues that revolves around the PWM solenoid which controls the output of the compressor. The main issue is noise at idle and under very hot conditions it does take a while to switch on. Otherwise OK. So hope you get a quiet unit but if its got a little whine at idle you will know what I am talking about.
I also have the noise at idle and a whine on over run.
Would you say the pwm solenoid is the problem??
@@user-py4tg3ze4z I would say so. I had mine regassed last year in the hope it would help but same. aircond guy had no clue what I was on about with noise. My wife drives one and my sister the other E60, both wouldn't notice if a wheel fell off so it can remain as is for now
Jeez, what a day mate. Keep your head up. I know that pain.
i have this issue right now, knocking is identical to the one in this video. is it safe to drive my car to the mechanic? he’s down the steeet from my house.
Why replace the whole compressor when the pulley is replaceable and available?
My car made this same exact noise back in September of 2021. I searched and searched for knocking sounds in E90 BMWs, but this video never came up. Maybe I should have searched for E92 as well. My indy mechanic, a reputable BMW specialist in my area, swore to me that it was a rod bearing and wanted to charge $11000 to put in a replacement used engine or $18000 for a new engine. And I specifically asked them to take the belt off to test it and assumed they did. I ended up taking on the project myself. Yes, I was an idiot for not pulling the belt first, but I believed the shop and drained the oil straight away to send for analysis to see how bad the damage might have been. Of course when I pulled the engine, I was hoping to find a spun or obviously bad rod bearing, but everything looked and measured good. I ended up swapping in a used engine and when I started it up after months of work, the knocking sound was still there! I eventually discovered it was my AC Compressor! I basically did an engine swap for no reason! Well, at least I learned a lot. I wish I had found your video last year!
OHHHHHH man, that sucks. To be fair i thought this was rod knock. It is crazy how loud a faulty AC can be.
Your guys need to start buying your parts from "FCP Euro" here in the states, they offer a Lifetime Warranty on ALL of their parts, the only exceptions are consumable fluids. They carry Genuine BMW and OE parts. The international shipping back and forth might be a little expensive for you guys but I think in the long run it just might be worth it for you guys.
FCP is godly, even better that their shop is only 20 minutes from me, parts for pickup within an hour of ordering is too tier
That's a bummer guys. But both cooling parts could have gone bad while driving. An overheated n52 can rip the cylinder head pretty easy. So it's better you discover this while changing the ac compressor🤷♂️. Dutch regards, Nico.
Can I change the ac clutch/pulley without replacing the whole ax compressor. I was getting a knocking sound and my compressor pulley just broke lol like it’s in my hand right now lol
You can, however i was not aware of it at the time of doing this video. But yes you can just change the pulley
Have the vanos bolts been replaced? Those can loosen and cause a bad knocking sound.
That is something i will check while i have nice access to them. Thanks
Hi Ian here with the e53 and yes a top radiator hose was brittle and was replaced but not to your extreme so I feel your pain. Quick question I have now put a trans radiator on but was wondering should I put an oil cooler on as well ? M57 diesel engine. Would you guys like some money and give it a crack ?
Hey Iain, engine oil shouldnt really be getting hot even in QLD unless you are maybe towing up the toowoomba range everyday. But its something to keep an eye on. Try and make note of coolant temps. Make sure she does stay in a safe range. I'd say check oil temps but i dont think the diesels have the sensor. And unfortunately we have a back log of about 6 months work on our own cars for now. We really need to stop buying new ones.
Yes I will be towing will use some of the software you guys use to monitor the oil temp and see how it goes regards Ian
I can imagine the ‘cooking of bmw plastics under the bonnet issue’ is ten times worse in Australia. Nothing worse than a job spiralling out of control. Love from the Uk 🇬🇧
This happened to my e90 328i n51. You do not need to replace the compressor. I just replaced the pulley with new bearing it cost me $107 for the part. I did it myself. Compressor did not fail only pulley bearing. AC works blows cold air. That was back in 2020.
Man thanks for that, so yours made this noise and it was only the pulley? Ha.
@@ZeroTo60Tube yes. I'll find a video and link it
@@ZeroTo60TubeOur compressor is similar to this th-cam.com/video/0DRo8HPz1Mo/w-d-xo.html
@@sr20dett1000 thank you that would be great
@@ZeroTo60Tube I posted a link already. Here another th-cam.com/video/jZW2vbaNL2U/w-d-xo.html
Hi sorry for this request , am curious, Is there anyway you can gauge if the turbos and manifold from a 335i would fit on that engine you’re currently working on? The 2.5
Nope completely different heads
@@br4d101 I thought the differences are the intake manifolds , suppose N54/55 are direct injection and N52 is piezo injectors ?
@@kenrossaukrsa all stud patterns are different, N54 are different to n55 to! The n53 head can be put onto the N54 but with modification which is the 3.0 head
@kenny Kayoss, people have tried turboing the N52s, they are very different to a n54 but with enough money or fabrication you can do anything. The reality is the N52 was designed an a super lightweight, efficient naturally aspirated engine. It doesnt have anywhere near the strength of an N54 to handle boost. You could spend all the money on a mint single turbo setup, forged rods and pistons in the N52 and because of the lightweight block it still wont make as much power as a stock turbo N54.
Real pain !! i think you should only drive your own cars so if you break it its not a big issue to sort out
My belt broke and got stuck and it broke the a/c compressor and my steering became hard to turn. Do I need to replace the a/c compressor to drive the car? or can I just replace the belt and leave it like that. Does the a/c compressor connect with the steering ?
Its the same belt for the ac and the power steering. You may be able to just put a belt back on, but it will depend if the pulley on the ac compressor is free spinning, or how it broke anyway.
@@ZeroTo60Tube no the pulley and clutch broke off the a/c compressor. The pulley is stuck under the a/c compressor
What was the mileage/km driven when the compressor failed? Mine was at 105k miles. I paid to have mine replaced. NowIp I know why it cost so much!
About 215,000ks i think. After deliving further, this issues was only the pulley bearing. not the actual compressor. Once it was off i took it apart and the pulley was missing half the ball bearings.
Great content again! I'd rather watch you pump up the tyres of any BMW with a hand pump then anything with that blue thing. 💩
I feel your pain! Just finished swapping my turbos on my 335i, 4 trips to BMW to pick up random bits and bobs that broke or were missing including the hose you had to replace and the one from the bottom of the reservoir that runs across the subframe. To that one.
Reco the old compressor and sell it mate. Just needs bearings right ?
Also, just realised.. NO thumbs down like you'd expect in some videos. You guys are stand up.
Got this on my N54 today!!! I don't really care about AC, do I still need to fix the issue?
I would at minimum run a smaller belt, so you are not turning the ac compressor.
What size would I need to get the belt for ac delete
Automotive masochism at its finest! 😂
Great content again! I'd rather watch you put up the tyres of a BMW with a hand pump then anything with that blue turd. 💩
Why was the crashed N54 video deleted yesterday?
Unfortunately the gentleman we purchased it from didn't know much about the crash. Even more unfortunately one of the occupants was sent the video and they were somewhat upset with the memories. So we took it down out of respect to them. I know it was local and no police reports, so i assume there are no injuries or wrong doing, but still it would be scary to have been in the car when it happened.
@@ZeroTo60Tube Oh I see. Well, I give my condolences to the occupants and the family.
I see your Rottweiler at 8:27 Dude he looks good haha I have one too my self he is 4 years old. Also own a N53 E93 too haa 😄 love my bro iv followed ur channel 👊🏼
No way! Big rottie fan here.
@@ZeroTo60Tube haha mee too bro I have 2 rotties 😄 boy is 4 years old and I just got a female she is around 9-10 months old 😊 such a lovely breed of dogs they are literally big babies but can be really protective if they want to 🥰 how’s your Rotti?
@@ZeroTo60Tube oh yeah I need my ac compressor changed on my N53 engine it’s melted and thanks for the video dude 🤙🏼
Surely that was your new apprentice King you were asking to start and turn off the car yeah?
Yeah, he’s getting better! Told him no more on camera parts until he shows some more commitment
Purely a guess as I'm halfway through the vid but can we get a teardown to find the noise? But of a weird thing to do I guess but interesting to see how such a noise can come from such a small unit.
I second that 👍
Whenever people shit on owning a Bimmer because it’s “more expensive maintenance”, I always correct it with this….. “not really… what’s expensive is all of the stuff you break on the way to fixing one thing”. If it’s plastic on a BMW, it’s GOING to fall apart in your hands.
Fair point!
Well, that's just f_;ked. Poor guy, that sucks!
It’s the BMW way!!! Hey also talking to greshm he may be able to clone your orginal DME. Do you can use your original, cas key and mhd license.
@@ZeroTo60Tube ooh!!!! Hook me up Buttercup!
Still waiting on the transistor from USA to arrive and see if that fixes things first. That way I can at least "on sell" the manual DME, CAS, key and cluster.
Thanks heaps for looking out for me, truly appreciate it heaps 😘
Whoa whoa whoa, you didn't break it doing the 0-60, the compressor failed while you were doing 0-60
haha yeah hows that for timing.
Hey my ac compressor was knocking yoo
Too*
HAHAHA Just BMW things
In your garage and broken is far better than the side of the road and broken.
Would it still knock if the ac is off?
Also was the ac still blowing cold?
Wait... Why the fuck are there two RX8's now?
th-cam.com/video/HfDBWzpszbI/w-d-xo.html&t
Haha, I wonder how much else of the car is rotten ? The owner must be happy he gave his car to you to test and do a video on. Now he's getting half his car fixed for free it seems. I'd send him a bill. It was frail to start with and it's not your fault it fell to bits. It would've happened to him if he took the long way round.
BM Trouble U strikes again....
My fiance has a 2011 BMW 328. ."F" those cars... way too cramped and complicated to work on... not to mention parts are completely outrageous$$$ and hard to get...
BMW life😂
First ;-)
First