130i/N52B30 common issues?

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Re: 130i/N52B30 common issues?

Post by GoldenBunip » Tue May 20, 2014 9:47 am

Tried both the 99Ron for a month and the standard stuff, doesn't make any noticeable difference as far as I can tell. I think it makes a lot more difference on turbo cars then NAs.
The Orignal 130i

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Re: 130i/N52B30 common issues?

Post by LeonR » Tue May 20, 2014 9:19 pm

I run mine on normal 95 because I'm tight
:lol: :lol:
I run mine on either, doesn't seem to make much difference.
I am just hoping you're not going to miss how involving the DC2/DC5 is...
Yep, i'm a little nervous about it but I think I will have to make the move to a more comfortable car at some point... *secretly trying to convince myself* :lol:

Tried both the 99Ron for a month and the standard stuff, doesn't make any noticeable difference as far as I can tell. I think it makes a lot more difference on turbo cars then NAs.
My personal understanding is that the higher octane (or ron??) fuel is less volatile and ignites exactly when it is supposed to, the lower rated fuel can detonate a little prematurely in higher compression engines, so if BMW don't say to use super unleaded I would hazard a guess it's fine on normal unleaded as you discovered, which is cool! :D



Cheers! 8)
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Re: 130i/N52B30 common issues?

Post by marco_polo » Tue May 20, 2014 9:23 pm

It's got a knock sensor, so if it starts pinking on 95 the ECU will retard the ignition slightly to prevent damage. :)
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Re: 130i/N52B30 common issues?

Post by dr al » Fri May 23, 2014 8:09 pm

+1 on the VANOS solenoid problems.
Mine had the hesitation at 1500rpm for years, but i didn't know it was anything to worry about, so didn't pay it any attention. Then it started throwing up bigger problems. In the end needed both vanos solenoids replacing, which wasn't cheap.
Apart from that hasn't missed a beat at all. i've had it over 4 years, i've put 55K miles on it, and it's nudging 90K now.
I'm gonna keep it a few more years. The modding starts now :roll:

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130i/N52B30 common issues?

Post by LeonR » Fri May 23, 2014 10:35 pm

This is something which concerns me a little, when I test drive a 130i I won't have anything to compare it to.

Is the hesitation problem obvious? Also, how much is it to fix the VANOS Solenoids? Is it a DIY job or best left for a specialist? (I happy with bushes, brakes, engine mounts, suspension etc)
Last edited by LeonR on Sat May 24, 2014 12:47 am, edited 1 time in total.
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Re: 130i/N52B30 common issues?

Post by Littlejohno43 » Fri May 23, 2014 11:17 pm

you can change them in around 25 mins and cost wise around 150 for the pair :)

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Re: 130i/N52B30 common issues?

Post by LeonR » Sat May 24, 2014 12:46 am

Ah that's not too bad then! Thanks!


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Re: 130i/N52B30 common issues?

Post by DFKMT » Sat May 24, 2014 6:57 am

Very easy to sort the solenoids I've cleaned them twice now. Very frustrating when you drop a bolt though lol.


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Re: 130i/N52B30 common issues?

Post by LeonR » Mon May 26, 2014 2:38 pm

So generally it seems the engine has a good reputation, and any problems are usually minor.

The next big question is the DSC/ABS problem that seems to come up a lot on forums.
I see the 'common issues' thread has this listed and mentions a repair kit.

Is it always just a case of needing the repair kit and then refitting what's in the kit?
What is the problem with the unit anyway?
I've read something about 're-coding' it as well? Or is this a less common problem and unrelated?


Cheers! 8)
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Re: 130i/N52B30 common issues?

Post by G1NGE » Thu Jan 11, 2018 9:34 am

marco_polo wrote:
Sun May 18, 2014 4:43 pm
The N52 is a cracker, we rarely hear of any issues - and that's basically what most forums are about. We get the odd vanos solenoid issue (resolved by cleaning / replacing) and coil pack probelm, but they're usually regarded as being pretty bulletproof.

No Lim Slipper sadly.

No need to replace the chain according to BMW.

No milestone services like previous generation Service II's.

:D
Hello sorry to gatecrash this thread and I realise it is historic but I couldn't seem to PM Mr Marco Polo....!

Hi Marco_Polo

I hope you are well. I wondered if I may acquire a little of you wisdom relating to the N52B30 vanos issues? I have the dreaded stutter at 1500rpm and it seems to be getting worse, so I am currently moaning to BMW to get it fixed. Firstly they replaced the knock sensors (think they are usually replaced in pairs, or they should be), but recently my engine management light has come on (yellow) after only having the car back a week and driving less than 100 miles! Symptoms are usual from what I have read but I have suffered with pinking, retardation, and an increased intake sound when revving the engine slightly, like someone sucking in their breath.

This has been happening on and off, first happening in summer 2016, then three further times, with fourth time throwing up the check engine light last week. I got BMW assist to recover the vehicle to Dick Lovett (Swindon) as I didn't want to drive it.

BMW are saying to me that they have swapped the vanos solenoid from intake to exhaust and need to carry out further test driving to rule out whether the fault lies with one or both solenoids or it is further into the vanos hub - eek sounds expensive (but I have fully comprehensive warranty, so that's a relief)!

Just wondered if you could offer any advice as I can see you have owned a 130 and had the same issue?

As you know, I am selling my car and I want it to be 100% ship shape for the new owner.

Any advice is welcome. :)

Cheers, Leon aka G1NGE

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Re: 130i/N52B30 common issues?

Post by 0l0dom0l0 » Thu Jan 11, 2018 9:44 am

G1NGE wrote:
Thu Jan 11, 2018 9:34 am
marco_polo wrote:
Sun May 18, 2014 4:43 pm
The N52 is a cracker, we rarely hear of any issues - and that's basically what most forums are about. We get the odd vanos solenoid issue (resolved by cleaning / replacing) and coil pack probelm, but they're usually regarded as being pretty bulletproof.

No Lim Slipper sadly.

No need to replace the chain according to BMW.

No milestone services like previous generation Service II's.

:D
Hello sorry to gatecrash this thread and I realise it is historic but I couldn't seem to PM Mr Marco Polo....!

Hi Marco_Polo

I hope you are well. I wondered if I may acquire a little of you wisdom relating to the N52B30 vanos issues? I have the dreaded stutter at 1500rpm and it seems to be getting worse, so I am currently moaning to BMW to get it fixed. Firstly they replaced the knock sensors (think they are usually replaced in pairs, or they should be), but recently my engine management light has come on (yellow) after only having the car back a week and driving less than 100 miles! Symptoms are usual from what I have read but I have suffered with pinking, retardation, and an increased intake sound when revving the engine slightly, like someone sucking in their breath.

This has been happening on and off, first happening in summer 2016, then three further times, with fourth time throwing up the check engine light last week. I got BMW assist to recover the vehicle to Dick Lovett (Swindon) as I didn't want to drive it.

BMW are saying to me that they have swapped the vanos solenoid from intake to exhaust and need to carry out further test driving to rule out whether the fault lies with one or both solenoids or it is further into the vanos hub - eek sounds expensive (but I have fully comprehensive warranty, so that's a relief)!

Just wondered if you could offer any advice as I can see you have owned a 130 and had the same issue?

As you know, I am selling my car and I want it to be 100% ship shape for the new owner.

Any advice is welcome. :)

Cheers, Leon aka G1NGE
What year is the car?

Complain about tapping noises. They will replace the cylinder head then. If they do let me know if that fixes your issue!
2007 130i LE - BMWP Exhaust, Strut Brace, Air Filter, Short Shift kit and Handbrake.
B12 KIT with M3 LCA and TS.
Plus Cruise Control, Digital Speedo, CDV Delete, Camber Pin Mod, OEM LED Numberplate Lights, Brighter Non-dimming OEM Angel Eyes.

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Re: 130i/N52B30 common issues?

Post by marco_polo » Thu Jan 11, 2018 9:56 am

It's actually one of my regrets that I haven't ever owned an N52, but would snap up a nice E82 125i if the right car came up for sale.

As it's under warranty, I'd just allow them to fix it for you. Keep throwing it back until it's 100%. It does sound like a Vanos issue, solenoid/s are usually favourite but it's impossible to diagnose issues over the internet, especially without any error codes.

Just be thankful you're not paying! :)
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Re: 130i/N52B30 common issues?

Post by BMWBrad » Thu Jan 11, 2018 11:12 am

0l0dom0l0 wrote:
Thu Jan 11, 2018 9:44 am
G1NGE wrote:
Thu Jan 11, 2018 9:34 am
marco_polo wrote:
Sun May 18, 2014 4:43 pm
The N52 is a cracker, we rarely hear of any issues - and that's basically what most forums are about. We get the odd vanos solenoid issue (resolved by cleaning / replacing) and coil pack probelm, but they're usually regarded as being pretty bulletproof.

No Lim Slipper sadly.

No need to replace the chain according to BMW.

No milestone services like previous generation Service II's.

:D
Hello sorry to gatecrash this thread and I realise it is historic but I couldn't seem to PM Mr Marco Polo....!

Hi Marco_Polo

I hope you are well. I wondered if I may acquire a little of you wisdom relating to the N52B30 vanos issues? I have the dreaded stutter at 1500rpm and it seems to be getting worse, so I am currently moaning to BMW to get it fixed. Firstly they replaced the knock sensors (think they are usually replaced in pairs, or they should be), but recently my engine management light has come on (yellow) after only having the car back a week and driving less than 100 miles! Symptoms are usual from what I have read but I have suffered with pinking, retardation, and an increased intake sound when revving the engine slightly, like someone sucking in their breath.

This has been happening on and off, first happening in summer 2016, then three further times, with fourth time throwing up the check engine light last week. I got BMW assist to recover the vehicle to Dick Lovett (Swindon) as I didn't want to drive it.

BMW are saying to me that they have swapped the vanos solenoid from intake to exhaust and need to carry out further test driving to rule out whether the fault lies with one or both solenoids or it is further into the vanos hub - eek sounds expensive (but I have fully comprehensive warranty, so that's a relief)!

Just wondered if you could offer any advice as I can see you have owned a 130 and had the same issue?

As you know, I am selling my car and I want it to be 100% ship shape for the new owner.

Any advice is welcome. :)

Cheers, Leon aka G1NGE
What year is the car?

Complain about tapping noises. They will replace the cylinder head then. If they do let me know if that fixes your issue!
BMW now carry out a software update which increases the oil pressure for the HVA noise. Replacement cylinder head seems to be their absolute last resort now.
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Re: 130i/N52B30 common issues?

Post by 0l0dom0l0 » Thu Jan 11, 2018 11:41 am

BMWBrad wrote:
Thu Jan 11, 2018 11:12 am
0l0dom0l0 wrote:
Thu Jan 11, 2018 9:44 am
G1NGE wrote:
Thu Jan 11, 2018 9:34 am


Hello sorry to gatecrash this thread and I realise it is historic but I couldn't seem to PM Mr Marco Polo....!

Hi Marco_Polo

I hope you are well. I wondered if I may acquire a little of you wisdom relating to the N52B30 vanos issues? I have the dreaded stutter at 1500rpm and it seems to be getting worse, so I am currently moaning to BMW to get it fixed. Firstly they replaced the knock sensors (think they are usually replaced in pairs, or they should be), but recently my engine management light has come on (yellow) after only having the car back a week and driving less than 100 miles! Symptoms are usual from what I have read but I have suffered with pinking, retardation, and an increased intake sound when revving the engine slightly, like someone sucking in their breath.

This has been happening on and off, first happening in summer 2016, then three further times, with fourth time throwing up the check engine light last week. I got BMW assist to recover the vehicle to Dick Lovett (Swindon) as I didn't want to drive it.

BMW are saying to me that they have swapped the vanos solenoid from intake to exhaust and need to carry out further test driving to rule out whether the fault lies with one or both solenoids or it is further into the vanos hub - eek sounds expensive (but I have fully comprehensive warranty, so that's a relief)!

Just wondered if you could offer any advice as I can see you have owned a 130 and had the same issue?

As you know, I am selling my car and I want it to be 100% ship shape for the new owner.

Any advice is welcome. :)

Cheers, Leon aka G1NGE
What year is the car?

Complain about tapping noises. They will replace the cylinder head then. If they do let me know if that fixes your issue!
BMW now carry out a software update which increases the oil pressure for the HVA noise. Replacement cylinder head seems to be their absolute last resort now.
Ok that's interesting.

Most problably because the cylinder heads are about £4k I think. When I checked before you could get one from germany for £1k, complete with cams, everything!

Do you know when they introduced the software update to fix this? And can you link me to any info? Would like to look at getting this done!
2007 130i LE - BMWP Exhaust, Strut Brace, Air Filter, Short Shift kit and Handbrake.
B12 KIT with M3 LCA and TS.
Plus Cruise Control, Digital Speedo, CDV Delete, Camber Pin Mod, OEM LED Numberplate Lights, Brighter Non-dimming OEM Angel Eyes.

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Re: 130i/N52B30 common issues?

Post by bjt » Thu Jan 11, 2018 1:33 pm

LeonR wrote:
Sun May 18, 2014 4:36 pm
Mileage generally does not worry me too much, aslong as the car has been looked after (which is hard to tell unfortunately!), so i'm trying to gauge what the likely problems could be on a higher mileage 130i, for example burning oil? Strange noises to listen for etc?

Is there any way of seeing if the ECU has logged errors at any point? (using the built in controls that is!)
The N52 has an electric waterpump which seems to go anywhere after 100k. Not disastrous but a few hundred to fix.
You'll need a code reader to see any logged errors. The car will log an error for pretty much everything which makes troubleshooting a lot easier.
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