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      07-13-2017, 01:16 PM   #1145
N43B20A
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Ok, after 15k miles and 18 months after the timing chain change, it looks like it failed again. Probably worse this time since the the engine sounds stiffled, like it's clogged . There is also a tickling sound when it revs down, that hasn't been present before.


Errors found at diagnosis:

29F3 - Fuel Low Pressure Sensor Electric
2A26 - Catalytic Converter, Conversion in stratified - charge mode
2A2D Fuel Low pressure, fuel pressure
2A87 Exhaust Vanos Mechanism
2A99 Crankshaft, exhaust camshaft
2AAF Fuel pump, plausability
2C31 Oxygen sensor emissions control

My mechanic said that most probably the chain is problematic again, but he has to open the valve cover to test the timing.

I can believe it..."ultimate driving machine"...yeah right. I will never consider BMW again.

Is it posible to be a vanos related issue? How can the timing chain fail again in such a short period of time??
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      07-18-2017, 12:54 AM   #1146
raj55
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Quote:
Originally Posted by nclsamy View Post
Ok, after 15k miles and 18 months after the timing chain change, it looks like it failed again. Probably worse this time since the the engine sounds stiffled, like it's clogged . There is also a tickling sound when it revs down, that hasn't been present before.


Errors found at diagnosis:

29F3 - Fuel Low Pressure Sensor Electric
2A26 - Catalytic Converter, Conversion in stratified - charge mode
2A2D Fuel Low pressure, fuel pressure
2A87 Exhaust Vanos Mechanism
2A99 Crankshaft, exhaust camshaft
2AAF Fuel pump, plausability
2C31 Oxygen sensor emissions control


I can believe it..."ultimate driving machine"...yeah right. I will never consider BMW again.

?

More like a "permanent workshop machine"
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      07-24-2017, 06:39 AM   #1147
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Ok, somehow it turns out that the catalytic converter is dead and it needs to be replaced.

I assume there is not other way than to buy another one, right? Are there any mods that can bypass the cat?
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      10-03-2017, 06:26 AM   #1148
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modification 320i n46b20cc

Anyone did mod 320i putting a remote turbocharge??
i need help for piggyback gready ultimate willwork on bmw?
Thank you
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      07-10-2018, 01:41 AM   #1149
dcdub2003
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Quote:
Originally Posted by nclsamy View Post
Ok, after 15k miles and 18 months after the timing chain change, it looks like it failed again. Probably worse this time since the the engine sounds stiffled, like it's clogged . There is also a tickling sound when it revs down, that hasn't been present before.


Errors found at diagnosis:

29F3 - Fuel Low Pressure Sensor Electric
2A26 - Catalytic Converter, Conversion in stratified - charge mode
2A2D Fuel Low pressure, fuel pressure
2A87 Exhaust Vanos Mechanism
2A99 Crankshaft, exhaust camshaft
2AAF Fuel pump, plausability
2C31 Oxygen sensor emissions control

My mechanic said that most probably the chain is problematic again, but he has to open the valve cover to test the timing.

I can believe it..."ultimate driving machine"...yeah right. I will never consider BMW again.

Is it posible to be a vanos related issue? How can the timing chain fail again in such a short period of time??
Hi Mate, feel your pain. my 320si timing chain went and had it replaced, on return, I instantly noticed it was not 100% right.

the 320 si is one of 500 made at the Sauber factory, if whoever replaced the timing chain did not use the correct timing tool then it will fail again.

HT Howard hires them out, this may have been the root cause.

http://www.hthoward.co.uk/specialist...ming-tool-kit/
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      08-17-2018, 11:25 AM   #1150
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Hey guys, so I decided to join the forum after trying and exhausting every solution there is with my N43.

Here's my issue, the car hesitates to start properly if the engine is warmed up, I've seen it do it on cold starts as well but like once in 100 or more cranks, most of the time it's doing it when the engine is warm. This has been going on for three years now, my bet is on leaky injectors since they are all index 3 known to have issues but I'm also scared of changing all 4 injectors on a perfectly working car just to find out that wasn't the problem. So now, moving on to the next thing, so far I've changed the following.

New OE starter
Complete timing chain and tensioner kit OE
New plugs
New coils
New crankshaft sensor OE ( used to throw the code )

Ran several diagnostics on ISTA-D trying to get to the bottom of it every single day since I have the tester at home. The car throws no fault codes apart from 2EF8 DME Thermostat activation ( already bought the thermostat waiting for it to be replaced )

There's no HPFP low pressure code or something wrong related to it ( however, once I've checked the pressure value in ISTA as soon as I stop the engine the pressure drops somewhat rapidly from 150k mbar and after about 10minutes it will reach a value of 5k mbar)
No LPFP issue as well ( holds pressure )
No missfire codes, never had 'em
No surging or hesitation, pulls perfectly
Cyl compression is over 11
Injector values on ista are between the values of -30 and +30

The dealer has a hard time telling why it does it and can't seem to know why, went to some other good mechanics that I know and their bet seems to either be the fuel pressure regulator or the injectors but most likely they said the injectors might leak. It also smells like gasoline when the car is cold but I suppose that's because the catalyst only does it's job when it's up to temp.

Does anyone have some sort of ideas? The car runs perfectly, never let me down in three years apart from this dreaded and never ending hard starting issue. I've noticed that the spark plugs on cyl 2 and 3 were really black when I changed them the last time.

The car has exactly 100k miles and it's an 08. Checked all injectors, they're all index 3

Last edited by CloudFX; 08-17-2018 at 11:30 AM..
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      08-21-2018, 11:49 PM   #1151
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NOx sensor replacement

Hi there

Having a wee look around, this seems to be a pretty common issue for a lot of you around the 100k mark.

My 2010 320i is throwing up codes for this very thing and the man says it needs replacing.

Anyone know if it is just the probe that fails? A quick google shows that the probe is about $100, but the probe+plug (sensor?) is closer to $500.

One guy on here ultrasonically cleaned the probe to good effect, so I'm considering trying that in the first instance.

Any help is appreciated.

Cheers
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      10-19-2018, 05:12 PM   #1152
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Exclamation bmw e90 indicator failure cc-id 119

hello guys,

having an issue with my bmw e90 2009,
i have hid headlights and led indicators. recently ive had an issue with the led indicators. the front driver side indicators, so the ones located on the headlights. the problem with them is quite strange. THEY WONT TURN OFF. THEY DONT BLINK OR FLASH. They are constantly on. so even when the car is off or on, there on 24/7. i tried to disconnect them and reconnect them but the same issue. they just wont blink or turn off even with the hazards on. the rest of them work except the right side (driver side). i have tried to check the fuses but everything seems to be fine even the relay fuse. tried to disconnect the battery but no difference. it gives an error code. CC-ID 119: Indicator Front Right Failure BUT THE LEDS ALL WORK FINE. wires seem fine. had them over a year and never had any issues. SO IF ANYONE CAN GIVE ANY TIPS OR SUGGESTIONS I WOULD APPRECIATE IT BECAUSE IM UNABLE TO DRIVE FOR OBVIOUS REASONS.
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      03-02-2019, 09:19 AM   #1153
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Hello again, fellow BMW owner.

My N43 started using quite a lot of oil lately. About 1L every 1000 miles. The mechanic haven't found any leaks. He is assuming that the valve stem seals are faulty? Is this an usual problem of this engine?

Thank you greatly for any replies!
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      04-02-2019, 04:59 AM   #1154
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Quote:
Here's my issue, the car hesitates to start properly if the engine is warmed up, I've seen it do it on cold starts as well but like once in 100 or more cranks, most of the time it's doing it when the engine is warm. This has been going on for three years now, my bet is on leaky injectors since they are all index 3 known to have issues but I'm also scared of changing all 4 injectors on a perfectly working car just to find out that wasn't the problem. So now, moving on to the next thing, so far I've changed the following.
I had problems with warm starts on mine (2009 318i) where it would turn over for longer than normal before starting and sometimes run lumpy for a few seconds. When cold it would start on the button and had no other running issues. Turned out to be the fuel pressure regulator which is built into one of the pumps under the rear seat (passenger side on UK car). This holds the fuel pressure at shutdown and was basically letting fuel drain back\drop pressure in the fuel lines. £100 for a new one and a few hours to fit after watching a load of youtube clips about the job fixed my issue.

thanks
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      04-10-2019, 01:00 PM   #1155
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Hello.
Recently got a 320i e92 6MT as my first car, had 100k kms on it.
Did all the fluids, plugs, oil, filters.
Cars seems fine to me, but I can't really judge. How do I know if it's doing all the 'hesitating' everyone's mentioning? Not sure if the car is consuming much more fuel than it should because it's faulty, or because I'm just a new driver and can't be delicate on the throttle at all. I'm getting 26ish MPG/10,5l/100km, mostly city though.
I recently had a CEL for some kind of Lamda sensor during a spirited drive after an H2 carbon cleaning session. A friend checked it out, said it's some kinda emissions shit and deleted the code.
It passed my country's version of the MOT with flying colours and the techs there even congratulated me for having it in such a good condition...but then again, the standards over here are abysmall, they pass literally everything.
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      06-15-2019, 05:40 PM   #1156
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Guys can we have a list of all the problems that have been sent in? it would help a lot !!
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      07-15-2019, 03:08 PM   #1157
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Are there PCV (crankcase breather valve) or valve stem seals problems reported at the N43 engine?
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      07-17-2019, 11:49 AM   #1158
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Garage List
New to the e91 world as of last weekend, with our new to us 2012 318d - and so the n47 engine. Been subsequently panicking over all the timing chain horror stories.

Am I right in thinking if our car is a February 2012 build it ought to be less at risk??
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      10-29-2019, 05:53 AM   #1159
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Does anyone know if BMW have a different part number for the injector 13537589048 for the n43, when itís replaced as a recall item,

I read in the past the injector price is about half but I canít find the post where this part number was stated.

(The injector is the same part number when taken out of the box but itís labelled on the box as another which is for recall/warranty work so itís cheaper.)
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      11-04-2019, 05:56 PM   #1160
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Since everyone’s going into their stories, here’s mine, I could also do with some advice as to what to do if anyone has any to give me.

Earlier this year about 8 months ago, I bought my very own 2008 e92 coupe (320i) second hand from a private seller with 43k miles done. Because of the mileage I decided to take my chances and didn’t get warranty/repair insurance. I was super chuffed with this purchase as the car has long been a favourite of mine and had always been a classic in my eyes.

Drove it around for about a month and half and then, the first of many occurrences of the ‘check engine’ light happened. Was getting all the classic symptoms, rough-idle, loss of power, unresponsive accelerator etc…

First time taking it to the dealership, they tell me two of the injectors are gone and that its probably an issue which will cause the other two to fail very soon, something to do with injector overcrystallization or something, but they say all injectors and sparkplugs need replacing, costing £1.4k

Main reasons for going straight to BMW was that I had just moved to a new city and didn’t know anyone or anything there, and me and most people I know have had bad experiences in the past going to backstreet garages.

Everything’s fine for about two and a half months, but then the same issues started happening again, and so I took it back to the dealership the second time, they found the same problems again with the injectors and so they replaced them and the spark-plugs for free as they were under warranty, and even road-tested/MOT’d the vehicle as well but didn’t find anything so sent me on my way.

Fast forward another month and the problems are back AGAIN. However unusually turning the engine off and back on again seemed to make the problem disappear almost instantly, leading me to believe the problem was to do with the cars electronics or injector coils which had not been replaced or touched yet.

Taking it to the same dealership and they once again said it’s an injector problem, being convinced there are deeper issues they tell me that a compression and leak test is necessary, which would cost 150. I agreed as I was convinced that the problem was to do with the electronics as opposed to the engines structural integrity but would be nice to get some reassurance.

Results came back – worst case scenario happened. I gambled on the engine being fine, but that didn’t seem to be the case

Cylinder 2 showing weak compression (7.5) with the others showing 15.5 and they need to strip the engine to investigate further, but this low compression could be what is causing the constant injector failures.

8 hour job = £900, If I went through with the engine stripping, I would be £1k down and we haven’t even found the problem yet or have an idea of what to fix, and judging by the size of the compression difference in the 2nd cylinder, I don’t think I want to pay to know whats happening. They say it could be anything from a dodgy piston head, to a cracked engine block.

Other problems the car has had are: splash shield coming off on the M1, headlight washers not working, (one also coming off on the M1) and the Rocker cover oil leak (fixed)

I am expecting repairs to cost no more than £2k including the diagnosis so about 3k in total. Unfortunately, I am going to have to cut losses with this car as the repairs are becoming impractical and unsustainable, and if the current trend is anything to go by then I am certain that these won’t be the last set of repairs I do on this car.

I’m gutted that the engine is having so many issues despite not even reaching 50k miles or me owning it for solid year, but the same time it was the first time I have bought a second hand car and I will just take it as a lesson learnt at this point, and judging from the posts and experiences from other people here it seems that the 320i has some kind of fundamental design flaw, which is a shame.

If anyone has any advice or recommendations as to whether I should repair the car or try and sell it to salvage some cash then I am all ears at this point.

Last edited by Mainz-Junior; 11-04-2019 at 06:03 PM..
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      11-19-2019, 06:30 PM   #1161
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Nice one
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