Bimmerprofs.com | NOx emulator NOXEM 129 | 130 | 402 developed for BMW N43 & N53 series engines
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    • All about NOx
      • Rough run. Trim errors. Hidden cause
      • E series. N43/N53 operation modes. Stratified charge performance check
      • 30EA nitric oxide catalytic converter, sulphurized
      • 30E9 nitric oxide catalytic converter, aging
      • Replacing NOx sensor
      • NOx sensor. Problems and performance check
      • More…
    • Perfect N53
      • Perfectly performing N53 in few hours!
      • Rough run. Summary
      • Uneven run. How to act
      • Misfire detection algorithm and it’s fails
      • MSD80 software releases
      • MSD80 software upgrade. Part 1.
      • MSD80 software upgrade. Part 2.
      • More…
    • The theory and practice
      • Management of Lambda probes
      • Flywheel adaptations
      • How I perform N53 adaptations
      • STFT and LTFT
      • N43/N53 operation modes. Basics
      • Lambda probes. Wideband
      • More…
    • Detailed about basics
      • Uneven running. Rough run. Smooth run. Part 1.
      • Rough run. VANOS.
      • Oil pressure. N43/N53
      • Ignition coils. Part 2.
      • Flow rate data coding of injectors
      • Crankcase ventilation
      • Thermal management of N-series engines
      • More…
    • What Went Wrong
      • MSD80 advanced ‘features’
      • N53B30. When adaptations fail
      • N43 with strange behavior
      • Once again about Lambda probes. N52.
      • M54 with MS43 control
      • Electric waterpump
      • More…
    • Unclasified
      • FAQ about NOXEM
      • Petrol engines, exhaust gases and TI
      • N43/53 and CO catalytic converters
      • Direct injection and Stratified charge
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    • Tech info
      • N54 misfire faults
      • NOx sensors. OEM codes
      • List of affected vehicles
      • MSD80 loader 2.023
      • INPA upgrade
      • More…
    • Service functions
      • Desulphation of NOx catalytic converter using ISTA D/+
      • Encoding new NOx catalytic converter
      • Encoding new NOx sensor
      • Re-adaptation of the engine using INPA
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    • F series. Diagnostics of NOx sensor
    • MSD80 repair service
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Theory and practice

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E and F series. FAQ

What is the difference between NOXEM NOx emulator and OEM NOx sensor?

What are the main differences between NOXEM emulator and ‘’usual’’ emulators?

Is NOXEM safe for my car?…

F series. FAQ

Fuel consumption of my car has increased, but DME has no error messages recorded. Where could be the problem?

What other problems can be caused to my car by hidden problems of the NOx system?

Are there any ways to see the “health status” of the NOx system?…

 

Latest on blog

Rough run. Hidden cause

Online diagnostics

Uneven run in Stratified charge. Summary

New prices of BMW OEM spare parts!

China NOx sensor review

Purchase of new injectors

See you never, piezo injectors

The perfect car owner

 

Perfectly performing N53 in few hours!

Rough run. Summary

Cleaning of Piezo injectors. Part 2

The tricky NOx system

F10/11. Repair of N53. ISTA D/+

F10/11. Repair of N53. INPA

F10/11. Repair of N53. INPA. Part 2

F10/11. Cold start. Leaking injectors

MSD80 software upgrade. DIRU

NOx system. Reality

My experience with the NOx system

iCOM recall

N53 vs B58

B58. Introduction

B58. ISTA. Part 1

B58. ISTA. Expert mode. Introduction

B58. Misfire counters

B58. Misfire counters. Surprises

B58. Rough run

B58. Rough run. Part 2

B58. Combustion time

B58. Oiling menus

B58. Worn out spark plugs

B58. Worn out spark plugs. Part 2

B58. Fuel system

B58. Different modes

B58. Performance and sound kit [2] [3] [4]

ISTA 4.34.40

B58. Valvetronic

B58. Flywheel adaptations

B58. VANOS repair. Part 1

B58. VANOS repair. Part 2

B58 and JB4

F32. White smoke from the exhaust

BMW. Wtf?

Purchase of F32

G30 540i. Preventive diagnostics

B48. Preventive diagnostics

A cunning situation

Atypical problems. N43

Problem of the Lambda probe

Injector leakage test. Upgraded version

Fake injectors. Next level

VANOS problems. [2] [3] [4] [5]

B38. Mini

Mini. A lousy job?

Authorized service – ”genius”

Fuel additives. One more victim

Leaking of injectors. Acceptable?

Good speaking skills are useful!

Greeting from the chip-tuners. N43 with 700hp!

Back in the future

Injectors. Refurbished. New. What’s the difference…

Suspicious injector

Dealer’s “scam” for 3700 EUR

Injectors? Without surprises…

Refurbished injectors. One more case

Pump from China

B38. Mini. Idle

Chip tuning. A miracle cure?

Chip tuning. Success? Finally?

Side effect of TwinScroll

N43. Oil pressure problems

Hopeless case

Dealer. A ”lair” of excellent specialists

Almost new car. And … disappointment

Injectors from a dealer. A safe purchase?

You have to know how to fake!

Delphi ignition coils

MSD81 defect?

Injectors. Only tested

3104 and misfire counters. Nuances

Follow the mechanic’s advice?

New injectors. Or not?

Excellent China injectors

The engine lost power

B38. Rough run menu

The cheapest BMW engine?

Permanent vibration. What is that?

Hidden defect of the Lambda probe

Injectors from a reliable seller

Injectors from a reliable seller. Part 2

Injectors from a reliable seller. Part 3

First job – delete the error messages

LPFP. 2AAF

E92. A miracle did not happen

Excellent new injectors

One more excellent injector test

Unconfirmed adaptations. Why so?

Flowrate problems of the injectors?

The rust in Rail

30E9. Cheat the system?

Cleaning of piezo injectors. Part 2

MS45. Lean mixture

Excellent injectors from Metzger

An excellent business [2]

One more victim

Injector deficit. What to do?

Injectors were cleaned. Really?

Excellent injectors on Amazon

Professional injector specialists

Excellent injectors on eBay

N52 to EU2? Excellent!

N53 160kW.  DIRU

N53. From 160kW to 200kW

Original vs OEM. Spark plugs [2] [3]

Injector. An atypical defect 2

One more ”enhanced” engine

Replacement of OEM NOx sensor

Injectors of one bank

Looking for a car

Individual adaptations of injectors. Example

VANOS. What to blame?

Something unprecedented

Something unprecedented. Part 2

An excellent injectors

The meaning of a correct decision

The defect of the NOx sensor?

A perfect diagnostics

Alternative alternator [2] [3]

BMW AG. Adaptation fail [2] [3]

30DE correlation error [2] [3] [4] [5]

Refurbished injectors from China

N54 injectors

PDC repair

How to evaluate a used car

Metzger NOx sensors

N54 and chip tuning

A sad story

Statistics 2019/2020

Vibration in idle. Exotics

12C801 correlation error [2]

Oscilloscope. Introduction

Oscilloscope. Basics

Oscilloscope. Which one to buy?

Oscilloscope. Memory depth

Oscilloscope vs oscilloscope

Oscilloscope. Exotic

Oscilloscope. How to connect

Oscilloscope. Ovon TAO3000

Oscilloscope. CarScope

Oscilloscope. Pico

The Golden Age

CCV of turbo engines

An ”excellent” sensor form China

eBay. Emulator or sensor?

DME. Problems with HPFP

Virtual probe. Part 1

Virtual probe. Part 2

Virtual probe. Part 3

The lifespan of the CO converter

N53. An interesting problem

Bosch LSU ADV

Chip ”tuning”. An excellent result

”Refurbished” injectors

Trouble with injectors

Damages of the Lambda probes

Carbon Zapp. Human vs machine

N53. Work of professionals

Injector or engine?

N20. Injectors fail

New injectors! Really?

F10 almost burns down!

LPFP. Management

LPFP. Management. Part 2

HPFP. Pressure

Alpina B5. Diagnostics

Misfires and exhaust gases

Mystical loss of power

Aging of the Lambda probe

Ignition coils. Part 4

Bosch. Fake or genuine?

Customer pays for everything [2] [3] [4]

Increased fuel consumption. Mystery

Re-adapting of the automatic transmission

Fuel mixture: rich or lean?

”Unavoidable” misfires

Problems with oil pressure. How to act?

Increased fuel consumption during winter

Ignition problems

The problems of the injectors and misfires

Car with N57N engine and very low mileage

F10/11. Stratified charge performance check

F10/11. Stratified charge: disabled. What to do?

F10/11. How BMW hides problems

F10/11. How BMW hides problems. Part 2

F10/11. A good example for the skeptics

A Stratified charge doesn’t reduce fuel consumption?

Why Stratified charge is so important

An ”excellent” purchase. E82

Fuel additives. Want to try?

HPFP. A real problem

Smoke test

What damages NOx catalytic converter?

”Disprogramming” of the NOx system

F10 523i N53B30U0 with a NOx problem

F12 650i. Unsolvable problems

523i. Repair or loses?

”Greetings” from chip tuners

F10/11. Nuances of the NOx catalytic converter

F10/11. Problems of the NOx sensor

Surprise, surprise

Clone from Eastern Europe

N43. Cold start crash

F10. As new!

Fake injectors! Pay attention

MSD85. Misfire detection

Injectors were cleaned! Really?

N62 with LPG. Unsolvable problems

How to use test module of the Lambda probes

How does DME manages the fuel mixture

Cheating of control probe

MSD87 diagnostics with INPA. Part 1

MSD87 diagnostics with INPA. Part 2

MSD87 diagnostics with INPA. Part 3

Stratified charge. Disabled?

Performance tests of CO catalytic converters

Performance tests of CO catalytic converters. Part 2

Testing of injectors. Carbon Zapp

MSD87. Misfire counters

MSD87. Rough run menu

MSD87. Management of the ignition coils

MSD87. Management of injector. Idle

Importance of the service procedures

Importance of the service procedures. Part 2

Persistent vibration in Homogeneous mode. An example

Leaking injectors. Situations

Injector. An atypical defect

Diagnostics example of N62

VANOS. Timing problems

Nightmare. Next level

A ”perfect” anti-theft system

Modified odometer

Oil? Changed just now!

F07 N55. Long cranking

Cable and software suppliers

OBD-II vs EDIABAS

Misfire counters (upgraded)

Misfire counters. Part 2

Crankshaft sensor. Part 2

VANOS. Reference position

Stratified charge. Partial load

Idle. Stratified charge. Part 3

Another excellent car from USA

PWM

Carly fails again

Defect of an injector. Or not?

Maintaining the voltage

Price of wrong decision: EUR 10.000

Crankshaft sensor

Unpleasant case

One more successful project

How to check CCV. Part 3

CCV. Part 4

Ctek chargers

Chargers. Part 2

Spark plugs. Part 2

BSD and waterpump

Dealers attempt to “sketch” you for EUR 6000?

A present from USA

The car form UK. Rebuild

Repair of IBS. Consequences

Spark plugs for N43/N53 series engines

30BA/30BB. Repair of MSD80

Why to perform Online diagnostics?

Problems and solutions

Compatibility of injectors

Attention! NOx sensors from China

Is the iCOM an iCOM?

Lowered temperature

Substitution of Lambda probes

BSD. Oil quality sensor

N62 and Valvetronic problems

Microparticle in the injector

Pressure sensors. Also such happens

Alternator. Management. Problems

High discharge

Power supply. Reality

Management of injectors

Idle. Homogeneous mode

LPFP contour. Fuel tank

Do I need to replace all injectors?

HPFP

EGR valve

Registering the battery. Launch

Uneven run. Regeneration

Air mass meter. To clean it or not?

Jittering

Replacing Lambda probes

IBS. Non-registered battery

Injectors. Replace or not?

Perfect car or total crap?

Does BMW manufactures bad engines?

Attention! Encoding of the injectors

Why there is no error message?

OEM NOx sensor vs NOXEM

Typical situation in case of damage of the NOx sensor

Misfires and Lambda probes

Limp mode without error messages?

Long cranking? Or not?

Piezo injectors and hydro blow

Overheating problems

BMW and chip tuning

N53B30. Injector. Hardcore

Thermal management. Part 2

IHKA AC. First steps

Increased fuel consumption

N series and LPG

E87 check-up at buying

Tests of chemical efficiency

N46. Problems with throttle

N52B30. Problem with a regulating probe

E90. ABS/DSC problem

Replacing the battery

Intake manifold. Problems of air-tightness

N43/N53 and exhaust gases. TI

Crankcase ventilation. Part 2

How NOT to encode the injectors

VANOS. Hidden problems. Part 2

Rough run menu

Valvetronic

Valvetronic. Guilty or not?

Valvetronic and HVA

Valvetronic and HVA. Part 2

Defects of Valvetronic components

Defects of Valvetronic. Diagram

Problem of Valvetronic. Generation 1

N46. S..t happens

Statistics 2018

F10/11 and NOx system

F10/11. NOx sensor. Connections

Re-adaptation of the engine

Long cranking. Oil pressure

Fuel pressure regulator

Total crash. What happened?

Is max torque available?

Purchase of used car. Mileage

Buying the car by a photo

The story of an injector

Stratified charge. Idle. Part 2

N43/N53 and Technical Inspection

Closed loop system. What does it means?

Carbon residues

Oil pressure. Emergency mode

MSD80 diagnostics using ISTA D

Purchase of car with N43/N53

MSD80 diagnostics using INPA

Idle. Measurements of mechanical efficiency

Attention! INPA and N43

Glossary

Error messages. Part 2

Ignition coils. Part 3

Wide-band probes. Hidden defects. Part 2

Injectors. Adaptations. Coding

Cold engine and problems of injectors. Part 2

DISA

Siemens vs Bosch. Part 1

Siemens vs Bosch. Part 2

NOx converter – to be or not to be?

N series. Throttle and accelerator pedal.

N43/53 fuel supply

Oil pressure. N43/N53

Rough run. VANOS

Washing of the windshield

MSV70/80, MSD80 and Lambda probes. Hidden defects

BUS lines, used by BMW

Misfire detection algorithm and its fails

Cold engine and problems of injectors. Part 1

Replacement of NOx sensor

Why diagnostics, performed by dealer, fails

30E9 nitric oxide catalytic converter, aging

30EA nitric oxide catalytic converter, sulphurized

N53. Problem of cylinder No.3

Once again about adaptations

Thermal management of N series engines

MSD80 software upgrade. Part 3

MSD80 software upgrade. Part 2

MSD80 software upgrade. Part 1

3104. Problem solved! Or not?

Diagnostics with INPA. Part 4

Diagnostics with INPA. Part 3

Diagnostics with INPA. Part 2

Diagnostics with INPA. Part 1

2EAE. Electric connections of NOx sensor

MSD80 software releases

Diagnostics of MS43

MSD80 INPA loader 2.023

Problems and performance check of NOx sensor

Specific features of MSD80

Regeneration and desulfation of NOx catalytic converter

Performance check of NOx emulator

N43/N53 and CO catalytic converters

N53B30. When adaptations failed

N43 with strange behavior

Management of Lambda probes

N43/N53 Operation modes. Basics

Stratified charge performance check

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