BMW E39 E46 M54 M52 No Start And Rough Idle Fix

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30 сен 2024

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Комментарии : 81

@AyaxRo 5 лет назад

If you unplug the MAF the engine runs on preset values.. thats actually a way to test for bad MAF.. unplug it while its running, bad MAF - Rough running.. unplugged.. smooth.

@bigLsupreme 3 года назад

You dont want to unplug it while it's running on this model it can fry the ecu.

@cjyt6491 3 года назад

I assume you can’t fry what doesn’t work! Similar to checking coil packs?

@bobsmithinson2050 5 лет назад

Nathan...one thing I’ve learned, and you have even mentioned yourself...NEVER BUY AFTERMARKET SENSORS. now we have a new lesson..NEVER BUY USED SENSORS, even if they are OEM like the one you got off eBay

@dustyrhodes2717 3 года назад

@@jaguar7051 Fuck China and no not every sensor is made there.

@sabz_bhp 6 дней назад

So did you fix it?.if so how? This video just showed you swapping maf sensors about. Was it the fuel pump or crank sensors?

@thenullco 5 лет назад

Love all your vids, Nathan. I think in decades to come we must cryogenically freeze your brain for the longevity of vintage BMWs.

@semajharmon5777 3 года назад

I second this

@pauli1968 Год назад

I've had rough idle on my BMW 5 series 2002 E39 for the past 10 years. If I catch it quick enough, I just turn off the engine for 10 seconds and restart the engine a few times. I would love to fix it though. Every car mechanic I've taken it to cannot find the problem or fix it. Yesterday my car broke down with a faulty battery. I mentioned the rough idle to the rescue guy. He said it could be an airflow problem.

@lightspeed415 Месяц назад

Hello. I have a 2002 BMW E39 525i. I replace the factory air box to aftermarket. Also replaced intakes pipes. After installation I started the car and it doesn’t idle. After a few tries in order to hold idle I had to hold gas down and now it makes a loud knock sound. I checked code appears to show P0102. Unplugged Maf and still dies. What would be the Issue. Please help. Thanks

@cryptoanalysts5793 5 лет назад

Those BMW catalytic replacement is pain the butt... 8 hours Fuck that ... oil pan leak 4 bourse .... Anything Will take you a day to Fix

@betatester2560 5 лет назад

test each pin on a multi meter and check do a ohms test using a little air source would be great to get a autopsy from the china mas sensor compare the sensor alignment vs stock and compare electrical values also check there electrical circuit layout ..

@tyrekwilliams1745 Год назад

My bmw e39 cranks but no start it would start if I sit there and crank it but it would die right away I’ve changed the fuel pump and also crank shaft sensor and it still won’t start any ideas ?

@yymvmnt 4 дня назад

Same here

@anthonyperez5506 5 лет назад

Where is the cooling fan and shroud? Is it necessary to remove those for this or did a miss a guru moment?

@paulvarrieur976 2 года назад

I have stopped buying BMW parts on line from any sources other than FCP Euro or ECS tuning. A recent purchase of spark plugs for my E70 X5M resulted in two Bosch Plugs being bad. With a BMW Roundel discount of 10 percent, even dealer parts can be had for tolerable prices.

@greghorning5424 5 лет назад

I seen you had a few videos on the e39 ABS module. I found the issue to be the blown mosfet inside for the pump. Any inputs to which mosfet I could replace it with?

@ChrisTopher-jv6ex 4 года назад

without a working fuel pump, the engine wont start.

@egenerationegeneration 4 года назад

Maybe that may sensor is no good I had same exact problem on my e46 cold start it will start then stall immediately I had to start it 3time for it to hold idle I remove intake manifold replace ccv an all vacumm lines intake gasket an this morning I took the chance an roll the dice an buyed a bremi may sensor an it fix it right on the spot did it all myself

@Concordee77 3 года назад

OK, But my 96' E39 Has an irregular High Idle- passing 5 RPMs I replaced The Idle Air Control Valve and it still has this extreme , high revving...#needshelp

@doomslayer5044 3 года назад

i have the same problem, my ccv started to go bad and i changed it, i had to remove the air box etc all the way to the throttle body, removed thoose replaced the ccv, worked like a charm, after i put everything back in, i started the engine, it went to 4k rpm from the start, i think it wanted to go higher but i turned the ignition off, after watching some videos i came to the conclusion that it must be the icv, but i didnt even touched that thing, anyway i made my way to the icv took it off cleaned it put it back in and when i started the car it went from 2k rpm to 3500, it was going back and forth, after playing with the throttle a bit now it starts doing the same shit, and im out of ideas now

@stephenyoungblood3683 5 лет назад

Good vid Nathan! Warning! BMW sunroofs explode if it is really hot outside all day and you turn on your A/C the same time it starts raining at the end of the day! Be careful all you BMW owners in the South.

@DOLfirst 5 лет назад

This happen to you?

@willmurray222 3 года назад

Three isues B . M . W ..

@lastofthefamous2542 5 лет назад

Did you clean the original one before buying the replacement ?

@MrTruthAddict 5 лет назад

Yeah, can't go cheap on the MAF. I learned that the hard way

@jimijamesjowitt 5 лет назад

Stuck idle control and bad amps and everything is reacting.

@jimijamesjowitt 5 лет назад

I always get vacuum problems no matter what motor I have. Think it's the moist air here.

@ewebbytrailscout 5 лет назад

could be the gasket on the engine side.

@jimijamesjowitt 5 лет назад

Mine was doing this 96 e36 328i. They said must be your MAF. I had a look. A big split in the air intake boot underneath. Duct tape. Away laughing. I find it easier to fix motor problems than body clips and brackets on the e36. A couple inside door panels will never sit right again and those couple of spot light brackets wont get fixed till I crash the things.

@miracozakpnar9645 3 года назад

Sorry, my English is not enough to understand this video. The same problem exists with my vehicle. Does anyone among us know exactly what the solution is?

@captainfallsalotatppic2508 4 года назад

Oh, you need blinker fluid, we all know we as Bimmer drivers do NOT use our indicators. I don't even know if my Bimmer has turn signals, woulden't even know how to turn on the blinker light. LOLOL.

@danielprose5878 Год назад

Wow. What a beautiful car ! E39 with that interieur one of the best cars ever made ! Greez from Germany

@zufarkhan9577 5 лет назад

Please send me those mags.. things are shit expensive in South Africa

@robertthrem3382 Год назад

Or you could turn the key on and try to spray fuel out of the fuel rail or put a gauge on it❤

@5riverz365 5 лет назад

I would pop the air filter out to make sure no mice made nothin funny in the air box blockin the air flow.

@bilalhaidar3 Год назад

What the fak means rough idle???

@williamghau1150 5 лет назад

Why didn't you use ista?

@RR-ob1id 4 года назад

William Ghau what is that?

@rudewhipz6199 3 года назад

That’s how my 645 runs😭😭😭

@willmurray222 3 года назад

If fuel pump either working or not.

@AhmedAli-nl3uz 4 года назад

well done so help full and good explane you make us understod well ¨

@willmurray222 3 года назад

Parts on ebay ????????..... Go to store.

@pleasurepp898 2 года назад

1999 528i bmw no start

@fabios6621 5 лет назад

Have you tryed cleaning the MAF with the proper spray 1st?

@advredenbregt4340 5 лет назад

Get a Pierburg brand maf sensor

@willmurray222 3 года назад

Mistery freaskin cars

@jamesbaird5523 3 года назад

Wanted to see a 3.0 l engine

@Disscombobulated 3 года назад

Those clips are a pain.

@betatester2560 5 лет назад

maybe its backwards inside

@egenerationegeneration 4 года назад

It might be fuel pump

@gman3725 5 лет назад

Why not clean it first?

@jcaldwellify 5 лет назад

This guy is pretty good.

@davidthomas4670 5 лет назад

clean the clod start just pull hose of spray wd40 down pipe put back and start car all good give it a try

@Ryan-eh5pk 5 лет назад

Clean the clod start? Not picking on you, that may really be the name of it. Where is it exactly that you spray WD-40? I'm going to try that

@Disscombobulated 3 года назад

The Clod start is near the MAF sensor kind of by Disa valve next to idle control valve over the vacuum pump by coil pack wire harness thing beside temp sensor next to some of those tubes of the ccv filled with that yellow buttery crap. Spray it all down with wd40 and toss in match.

@BirdogEd 5 лет назад

NATHAN! 😎🇩🇪🚙👍

@clausfkvist 5 лет назад

Check batteri

@ChrisTopher-jv6ex 4 года назад

engine starts, cant be battery

@raymorris952 Год назад

Had the same issue with an E46, they will run without the sensor plugged in, not perfect but better than with a duff sensor, if the ECU can't see a signal it reverts to a base setting.

@tracyphillips3325 5 лет назад

Great video Nathan. Keep plugging away and you'll get it.

@TeoR69 4 года назад

these engines dont even need maf i run my m52b25 without one and even goes better that way

@bazosmarek7981 3 года назад

Consuption is more?

@blade9449 4 года назад

I have a problem with my m54 engine, it starts and goes out, if I hold the gas for 2,000, it works and jerks after the gas is released, it goes out, the fuel pump is working properly, the flow meter is working, after computer diagnostics errors, no what is the problem?

@jokjoksson4369 2 года назад

I have the same. Did you resolve your issue?

@chillrelax6915 Год назад

What was problem?..

@rudeone760 5 лет назад

Do you think it’s worth buying an e39 with 300k miles on it?

@DG-od4si 5 лет назад

it's a very nice car but any used car will have to have repairs. if you don't know how to fix maybe get something new(er) 528i is very reliable (abs isn't)

@Freestyler4130 5 лет назад

No man..

@michaelporter3555 5 лет назад

@lastofthefamous2542 5 лет назад

How much are you paying for it ? If it's very cheap maybe it's worth taking a chance

@rudeone760 5 лет назад

Last of the famous it’s selling for about 800. It runs with tags up to date.

@ktm640lc4BGD 5 лет назад

You are in BMW and you have ISTA and you use this generic reader for diagnostic? Still too complicated for you or what? With ISTA there is no guessing, it exactly tells you what is the problem, so why are you not using it?

@ProjektLament 5 лет назад

Hey, douche, stop being a miserable ass.

@stevenburke5494 3 года назад

I would assume he is using a generic reader because most of us deplorables don't have ista and he is showing us what we can do with what we have available. Concur on previous dumb arse comment

@ktm640lc4BGD 3 года назад

@@stevenburke5494 wow, since you are presenting your self as highly intelligent but humble person by your vocabulary (read a$$hole), you could use that intelligence to order a cable and ISTA of eBay for less than a $100 instead of spreading this knowledge of yours.