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Finished E46 M3

September 2, 2014, 9:04 am
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Hi guys I'm new to the forum and I would like to share pics of my E46 M3.
I put AC Shnitser wheels and exhaust. Had it chipped and put Ac Shnitser interior bits let me know what you think [WHITE SMILING FACE][ [Image: b76c5b4da14c13a88547ddbff22eff6b.jpg]
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nicely looked after E34 for some exhaust work today

September 2, 2014, 9:37 am
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Free iPhone upgradings

September 2, 2014, 10:55 am
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Air Mass System & Related

September 2, 2014, 11:23 am
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Found this very helpful thread: http://www.bmwland.co.uk/forums/viewtopi...17&t=86838

Hope it helps it helped me.



1. The air mass system consists of several component groups that ensure the optimum fresh air supply to the engine at every operating point. Malfunctions in these component groups cause a variety of disturbances in driving operation, for example lack of power, black smoke, etc. 

The air mass system test runs an overall check of the air mass system and thus allows clear pinpointing of the cause of the fault to the defective component group. 
Component groups of the air mass system 
The air mass system consists of: 
Charge-air-pressure sensor 
Intake Air Temperature Sensor 
Air-mass flow sensor 
The exhaust-gas recirculation controller comprises the EGR valve, pressure transducer, pneumatic and electrical activation of the pressure transducer 
The charge-air pressure actuator comprises the turbocharger with adjustment, pressure transducer, pneumatic and electrical activation of the pressure transducer 
Swirl flaps (in all series except for X5), in cars as of 03/2000 with automatic gearbox 
Air filter, air hoses, pipes, charge air cooler, exhaust system, etc. 
 

Mass Air Flow Sensor (Diesel) 
The mass air flow sensor measures the mass of fresh air drawn in by the engine. 
The air mass serves as a measurement variable for following functions: 
Exhaust gas recirculation 
Calculating limitation volume 

Function: 
The DDE control unit supplies the mass air flow sensor with : 
battery voltage 
supply voltage 5 V 
ground 

Depending on the mass of fresh air drawn in, the mass air flow sensor returns a measurement voltage signal to the DDE control unit. This measurement voltage is converted into air mass with the units mg/stroke/cylinder. 

Troubleshooting 
Fault code 0100 "mass air flow sensor" is stored if the mass air flow sensor is defective and a substitute characteristic curve is used in the DDE control unit. 

Consequence: 
Exhaust gas recirculation is deactivated 
Deactivation of boost pressure control 
Volume limitation to 32 mm^3/stroke/cylinder 
Output of a substitute value dependent on engine speed 
 

Intake Air Temperature Sensor (Diesel) 
The intake air temperature sensor is integrated in the air mass meter and measures the temperature of the fresh air drawn in by the engine. 
The intake air temperature serves as a measurement variable for the following functions: 
Injection rate control 
Rail pressure control 
EGR control 
Charge-air-pressure control 
Preheater time control 

Function 
The DDE control unit supplies the intake air temperature sensors with voltage and ground as follows: 
battery voltage 
supply voltage 5 V 
ground 

Depending on the air temperature, the intake air temperature sensor returns a measurement voltage signal to the DDE control unit. 

Troubleshooting 
Fault code 0110 â€�intake air temperature sensorâ€� is stored if the mass air flow sensor is defective and a substitute value is used in the DDE control unit. 

 

Boost Pressure Sensor (Diesel) 
The boost pressure sensor registers the absolute pressure (boost pressure and atmospheric pressure together) in the exhaust system and serves as a measured value generator or boost pressure control. 
The boost pressure sensor is mounted directly on the intake air manifold and sealed off with an O-ring. The DDE control unit supplies the sensor with ground and a voltage of 5 V. 
The pressure is picked up by a hole in the sensor and a corresponding measurement voltage is sent to the DDE control unit. 

Troubleshooting 
If the boost pressure sensor is defective, fault code 0235 "boost pressure control" is stored. 

Consequences: 
The atmospheric pressure is used as the substitute value for full load limitation 
The injection volume is limited 
Exhaust gas recirculation is deactivated 
Boost pressure control is deactivated 
 

Boost Pressure Control (Diesel) 
A turbocharger with variable turbine geometry and without a wastegate is used for boost pressure control. It is operated by means of an adjustment lever on the turbine housing. The adjustment lever is connected by means of a control rod to the vacuum unit on the turbocharger such that the control rod is extended and retracted corresponding to the vacuum applied. 

Components 
Turbocharger with variable turbine geometry 
Vacuum unit with control rod 
Pressure converter 

Function 
The pressure converter links the vacuum unit with the vacuum supply by means of hoses and, depending on the activation status, it switches a variable vacuum to the vacuum unit controlled by the DDE control unit. In this way, the control rod is set in the required position. The pressure converter is activated by a square-wave signal with duty factors (= variable pulse width) between 5 and 95 %. 

Checking variable turbine geometry 
Maximum stroke of control rod: 10 mm 
The control rod must be fully RETRACTED (= maximum boost pressure) at 650 mbar vacuum applied at the vacuum unit. 
The control rod must be fully EXTENDED (= minimum boost pressure) at 0 mbar vacuum applied at the vacuum unit. 

Troubleshooting 
Fault code 1E30 "Boost pressure control" is stored in the event of impermissible control deviation or fault "Short/open circuit". 

Consequences: 
Boost pressure control is deactivated 
Exhaust gas recirculation is deactivated 

In the event of a control deviation in the boost pressure, the injection volume is limited and a substitute value is output for the boost pressure. 

Boost pressure control is also deactivated if following faults occur: 
Fault code 0400: Exhaust gas recirculation (positive control deviation) 
Fault code 0235: Boost pressure sensor 
Fault code 0335: Crankshaft speed 
Fault code 0120: Pedal position sensor 1 
Fault code 0220: Pedal position sensor 2 
Fault code 0100: Air mass meter 
Fault code 1E25: RPM sensor monitoring 

 


Exhaust gas recirculation (EGR) 
Depending on the operating status, a certain quantity of exhaust gas is returned via the EGR valve into the exhaust tract in order to reduce pollutant emission. 

Components 
EGR valve with vacuum unit 
Pressure converter 
Exhaust line 

Function 
The pressure converter connects the vacuum unit with the vacuum supply by means of hoses. Depending on the activation status and controlled by the DDE control unit, it switches a variable vacuum to the vacuum unit. The pressure converter is activated by a square-wave signal with duty factors (= variable pulse width) between 5 and 95 %. 

Control 
The quantity of recirculated exhaust gas influences the mass of the fresh air drawn in: The more exhaust gas is recirculated, the less fresh air is drawn in. Since the mass of fresh air drawn in is known for all operating points with the EGR switched off, the reduction in the mass of fresh air caused by exhaust gas recirculation can be used as a measure for the quantity of recirculated exhaust gas. For the purpose of exhaust gas recirculation control, a set fresh air mass is defined in a characteristic map with following influencing variables for all operating conditions: 
Engine speed 
Injection volume 
Coolant temperature 
Atmospheric pressure 
Intake air temperature 
Reduction in exhaust gas recirculation by idle operation for longer than 20 s 

The current setting for exhaust gas recirculation matching (service functions) is an additional influencing variable. 

During operation, the quantity of recirculated exhaust gas is controlled by the duty factor at the pressure converter such that the set mass of fresh air defined for the specific operating point is drawn in. Fault code 0400 "exhaust gas recirculation (control deviation)" is stored if the control unit detects impermissible deviation between the set and actual fresh air mass. 

The status of exhaust gas recirculation can be read out of the control unit. The status indicates whether EGR control is active or whether it has been deactivated due to one of the conditions listed below. The status is EGR = 0 if the EGR control is active. Refer to the list below for the statuses when EGR is deactivated. The highest status is output if there are several reasons for EGR activation. 

Exhaust gas recirculation is switched off when: 
Coolant temperature < 16 °C or > 100 °C (status EGR = 11 or 12) 
Engine speed < 600 rpm or > 2700 rpm (status EGR = 8, 13 or 15) 
Required volume > 36 mm^3 (status EGR = 7) 
Atmospheric pressure < 880 mbar (status EGR = 10) 
Battery voltage < 9 V (status EGR = 6) 
Starting engine (status EGR = 9) 
Coasting (status EGR = 4 or 14) 
Engine idling for longer than 15 min (status EGR = 2) 

and if following faults occur: 
Fault code 0105: Atmospheric pressure sensor (status EGR = 5) 
Fault code 0400: Exhaust gas recirculation control (status EGR = 1 or 5) 
Fault code 0115: Coolant temperature sensor (status EGR = 5) 
Fault code 0100: Mass air flow sensor (status EGR = 5) 
Fault code 0235: Charge pressure sensor (status EGR = 5) 
Fault code 1E30: Charger control (control deviation) (status EGR = 5) 
 

And finally 

Swirl flap control (Diesel) 
The controllable swirl flaps are located in the intake pipe and are closed or opened depending on the operating status. The flaps are closed at engine speeds below approx. 2000 rpm and injection volume below 30 mm^3. 

Function 
The pressure converter connects the vacuum unit with the vacuum supply by means of hoses. When activated by the DDE control unit, the changeover valve switches vacuum to the vacuum unit thus operating the control rod and closing the swirl flaps. The control rod is up against the rear stop when the swirl flaps are open. 

Troubleshooting 
Fault code 1A22 "Swirl flaps" is stored if a defect occurs in the activation of the pressure converter. 

Effects of faults 
Swirl flaps stick in open position: Deterioration in exhaust gas characteristics in lower speed ranges otherwise no effect. 
Swirl flaps stick in closed position: Power loss of approx. 10 % at higher engine speeds. 

 

After all it is a Diesel
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Fan

September 2, 2014, 11:46 am
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Guys i have my 318i e42 engine......the fan comes on all the time even after travelling the shortest distance......any ideas what can cause this?
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Advice: N54 Downpipes

September 2, 2014, 11:54 am
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So the next phase on the N54 with JB4 is downpipes. Which ones should I consider? Reputable installers in JHB area?
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1M Coupe Accessories

September 2, 2014, 1:49 pm
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1M aftermarket add in accessories

Front lip - R5900
Rear Diffusor - R6250

Full carbon fibre
Direct figments with no modifications required.

Stocks are limited and pre-orders are being taken with very few left o. Front and rear.

Email queries to: info@ prominetix.co.za
Whatsapp 0822224061

No items will be allocated or reserved without a deposit.

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Pre Vanos misfiring on no6

September 2, 2014, 10:44 pm
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Need help urgently: my e36 320 pre vanos is misfiring on no 6 . have replaced plug and coil packs. Now looking at wiping off head to check valves. Does anyone have any other info that might help,really don't want to get rid of car but getting to the point.
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Please help BMW Fanatics of Pietermaritzburg

September 2, 2014, 11:11 pm
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Hi All,

I have an e46 318i 2004 with the N46 motor.

This is more of a request than a call for help.

My little sister is having her matric ball on the 3rd of December 2014. And I want to give her an awesome entrance.

Was wondering if you guys would want to be a part of an all BMW convoy from my home to drop my sister off with her partner at the ball.

Or if any of you know if there is anyone in the area with a super car that would be interested in taking her and her partner. Or any other ideas that you guys may have. All I am interested in is the car or cars and nothing else.

It would be highly appreciated.
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E92 M3 Bootspolier

September 2, 2014, 11:44 pm
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Hi Guys
Some help please...
A friend of mine has bought an E93 335i coupe...
Wants to put on an E92 M3 bootspolier, but BMW Centurion will not order it for him, because they say they need a VIN number of an E92 M3 only, they cannot sell it to him with a VIN number of a 335....

Any ideas of where he can purchase a spolier like this?...must be an original bmw part...

Pic of the required spolier attached...

thanks

[Image: bootspolier.jpg]
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X5 E70 CV Boot

September 2, 2014, 11:49 pm
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Stealers want R970.00 per boot. Does anyone know where I can get them cheaper?
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Throttle Sensor Advice

September 3, 2014, 12:45 am
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So I need some advice.

One of my buddies purchased and E46 m3 Last week, very clean car with only 94000km on the clock. Earlier this week he started picking up the below errors.

[Image: pg_1.jpg]


He has called Club Motors Randburg who I am already at my wits end with and wouldn't trust them with my broomstick and BMW Umhlanga, both of which cannot give us any answers as apparently they didn't do the diagnostics themselves and they also don't know what parts are required.

We know that its a fault on the throttle but Randburg are saying theres one throttle and umhlanga are saying two Bangdesk


Can anybody assist with some tech knowledge and maybe this is a quick fix or recommend somebody to go to?

thanks a mill guys.
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e46 Squeeling sound on slow speed

September 3, 2014, 1:53 am
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my car is a 2005 e46, This week i notice a high pitch squeeling sound when at slow speeds, eg. when i start to move slowly , it is noticable but when speed increase above say 20km/h then it dissapears. It does not sound like engine noise , i think it comes from the wheels.

i know my parking drum should be replace because its shot but cant see how that might be part of the cause
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Soccer Memes

September 3, 2014, 2:00 am
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So for all the soccer fans and with the new leagues kicking off. There is definitely going to be some trolls with the players

Post your soccer memes here and have some laughs

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ISPs to clamp down on torrenting

September 3, 2014, 2:06 am
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ISPs to clamp down on torrenting
Uncapped ADSL users should expect even tighter restrictions on torrenting in the future, some ISPs have warned
Jan Vermeulen September 2, 2014

http://mybroadband.co.za/news/internet/1...nting.html

[Image: BitTorrent-binary-with-sine-graph.jpg]

Telkom recently announced that it would start to enforce its fair use policy (FUP) on uncapped ADSL subscribers, echoing a similar announcement from Mweb a year ago.

This means that the ISPs would more aggressively police heavy usage on their networks, throttling the speeds heavy users would be able to achieve on their uncapped ADSL account.

In the wake of the backlash against their decisions, Telkom and Mweb both explained that it was a necessary step to protect their networks and ensure a good user experience for the subscribers who don’t use as much capacity.

Telkom and Mweb are not the only ISPs to say that such steps are necessary.

Though not all ISPs agree on how to manage traffic on their networks, Afrihost, Web Africa, and Cybersmart (among others) have indicated that they use some kind of shaping and/or throttling to enforce their FUPs.

A particular target of these enforcement measures is traffic from the popular peer-to-peer file downloading protocol, BitTorrent.

“Telkom discourages the use of torrents, and the like, as these create concurrent sessions that can create a bad experience for all customers on the network during busy periods,” a Telkom spokesperson recently told MyBroadband in a statement.

While BitTorrents are “discouraged”, Telkom added that it encourages other demanding protocols such as gaming and video streaming.

“Most torrent use is actually illegal in the sense that content is downloaded from sites without paying the requisite license fees,” Telkom continued.

Afrihost CEO Gian Visser said he also believes that media streaming and online gaming will continue to grow in popularity, and will remain a good way for uncapped users to get great value from their ADSL subscriptions.

However, he warned that downloading over file-sharing protocols such as BitTorrent would become more and more restricted.

“Especially with anti-piracy movements in South Africa and overseas,” Visser said.
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E90 - Clicking sound from front left wheel

September 3, 2014, 2:28 am
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Since yesterday morning, i noticed a clicking sound (almost identical to the sound a fwd car makes when the CV's are on the way out) from the front left wheel.

The sound is intermittent, starts after driving for a few km's and only at low speed. When i say low, its usually when the car is just about to stop or for a second or 2 when pulling off. I can replicate it but its intermittent. It does not provide any feedback to the steering and the car still drives fine. No uneasy feeling at all. Just the weird clicking.

I had a look at the wheel, its fine. Behind the wheel as well, i dont see any traces of grease or anything broken. Shocks look good. I cant really see properly directly behind the wheel. Will take it to a tyre place to get it jacked up to see.

Anyone experience this?
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BMW FANATICS on book to my face

September 3, 2014, 10:42 am
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WTF.... Is happening there?

"Fck mi I dnt no wtf 2 sy"
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323,2006 - DSC CONTROL MODULE WANTED

September 3, 2014, 11:44 am
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2006, E90,323, DSC CONTROL MODULE

Hi Guys, I need to replace this unit on my car. The dealer prices ....... well...!! Can you assist in finding this part at a reasonable price??Bangdesk
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Track-day wannabe - e36 325 Coupe

September 3, 2014, 10:41 pm
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Hz, having to 'distance-check' my old e30 track-day car due to the 'tin-worm' infestation, I moved 'up' to an e36. My fetish for a 2dr/coupe as a track car made the search a little difficult. I eventually managed to neg a fair price on this car.
En-route home after the purchase.

[Image: e36coupetrackdaywannabe_zps4dac8f53.jpg]

Managed to do the mandatory strip ect within a week before it's 1st outing at Dezzi's. Work inc stripping the interior(inc the sound deadening), aircon delete, e46 steering rack swop, clutch and flywheel swop/replace ( distance-checked the dual mass), rear main seal, replaced 2 broken studs on the exhaust mainfold, fabricated a new steering coupler, replaced tie-rod ends, installed a short-shift, fabricated new gearlinkage bush, repaired mounting flange on the gearbox, fabricated an extension for the steering wheel, fabricated a new A-frame, mounted/fitted 2 x seats, and a very basic wheel alignment set up.

[Image: IMG-20140715-00473_zps2f90d5bb.jpg]

As she was for the 1st event....note the increased body height due to the weightloss
[Image: IMG-20140715-00472_zpsabcd945f.jpg]

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This resulted in the car being very tail-happy and the back locks up under hard braking, to be expected though.....ride height , insufficent rear camber and brake bias needs attention. Barring the handling issue's the car ran faultlessly and we had an absolute gas.....good to be tracking again.
As with most of us cashflow is an issue when building a toy. Next up was a solution to the poor handling albeit a tempoary one until funds allow for a new set-up. At this point the set-up is homegrown being a combo of e36 and e30 parts not ideal but it has improved the car dramatically.
Here is the 'new' front strut, half e30/e36 to allow for the use of an Bilstien insert.
[Image: IMG-20140816-00511_zps86078092.jpg].

A poor pic but it does give an indication of the ride height.
[Image: IMG-20140829-00548_zps374260a8.jpg]

Another of the resultant rear camber.

[Image: IMG-20140817-00516_zps12491eee.jpg]

Next on the agenda is a swop to et20 offset wheels and some c/plates up front. Cheers
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Plane saved by truck

September 3, 2014, 10:57 pm
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