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Read the WELCOME ALL BMWFANATICS post.
Yes or No - Has anyone had their motorplan cancelled because of JB4 ?
- Thread starter Quick///M
- Start date
zaleonardz
Well-known member
It is detectable, even after being removed.
Boost pressures, manifold pressures ect are logged, so even if you clear all the faults, BMW can interrogate the DME, they dont even need to send it to germany anymore, they can do it while the car is at the dealership via ISIS
Yes your standard oil service guy is probably not even going to pick it up, but pop a turbo or a set of injectors, or anything involving the motor that's over 30k and questions are going to be asked
That is it, end of discussion. We have been through this one many times.
Boost pressures, manifold pressures ect are logged, so even if you clear all the faults, BMW can interrogate the DME, they dont even need to send it to germany anymore, they can do it while the car is at the dealership via ISIS
Yes your standard oil service guy is probably not even going to pick it up, but pop a turbo or a set of injectors, or anything involving the motor that's over 30k and questions are going to be asked
That is it, end of discussion. We have been through this one many times.
It's like one of those questions where if you have to ask the price you can't afford it kinda thing, jb and burger tuning have never marketed the system as an undetectable system, what they do say is that the system is fully reversible and makes no physical changes to your cars hardware.... The system also does NOTincrease rev limiters or delete speed govenors that would be marked Into your FASTA logs...
Couple the jb4 with the right diagnostic set up like a BT tool and you can clear the history memory of the ecu which includes shadow codes and the like and return for service or failure warrantee work.
It is a safer solution compared to a flash tune as that will rewrite the logic systems built into your ecu and how it operates. Remember as with anything the use of a piggy back is only as safe as how the owner chooses to operate the system. If this calculated risk is too much to carry for an individual the best solution would be to sell up and buy a faster car.
I hope this answers your question as best I could from one jb user to another enquiring person.
Couple the jb4 with the right diagnostic set up like a BT tool and you can clear the history memory of the ecu which includes shadow codes and the like and return for service or failure warrantee work.
It is a safer solution compared to a flash tune as that will rewrite the logic systems built into your ecu and how it operates. Remember as with anything the use of a piggy back is only as safe as how the owner chooses to operate the system. If this calculated risk is too much to carry for an individual the best solution would be to sell up and buy a faster car.
I hope this answers your question as best I could from one jb user to another enquiring person.
Derrick125
New member
The risks and logic notwithstanding, I think it is a good question. Detectability does not equate to detected.
Make the Q a poll, and let it run over a long period to allow greater volume of response.
Make the Q a poll, and let it run over a long period to allow greater volume of response.
Further to my post above, I stand to to be corrected but after chatting to the local distributors (Rennzport) as well as Terry (BMS) about the system being detectable, they haven't had an instance where the unit was removed and it was detected by the dealers except where the owners left the unit in and was found by the techs..this is what I mean by being circumspect...
Lastly, the system has an auto clear function built into it that when turned on will constantly remove any codes-tuner codes and failure codes alike from the ecu memory as they pick up, this is extra peace of mind for the user who isn't actively seeking power with his car and just wants that extra edge..
Lastly, the system has an auto clear function built into it that when turned on will constantly remove any codes-tuner codes and failure codes alike from the ecu memory as they pick up, this is extra peace of mind for the user who isn't actively seeking power with his car and just wants that extra edge..
Eric correia
New member
no!!!!!! jb4 plug and play :rollsmile:
George Smooth
///Member
With a piggy back the car does not know what its really boosting hence the safety. The only trace I imagine it would leave is on the passenger seat :roflol:
George Smooth
///Member
fluffy said:
The question is rather vague and misleading. If the JB4 was installed with no trace evidence physically that it was put in and removed in a similar fashion with no fault codes triggered during the process there is no evidence online on any forum of anybody to have lost their warranty.
If installed badly leaving behind tampering signs this alone is enough to pull the plan but it does not mean the JB is the cause but the installer.
Or if the car had a fault caused by the JB electronically registered and not cleared prior to it going back it would cause suspicion which would lead to a investigation of the ECU box etc. Again see install comment.
So if someone does crop up and say yes he lost his plan the reason why should rather by investigated and not simply "yes I lost my motorplan because of the JB".
I know someone who lost his motorplan due to codes being registered on a M6. The software was undetectable by diagnosis but the car had registered two codes not related to the software: The one at 279km/h and the other at 8600rpm. If the faults where cleared before going in the plan would be intact as their machines could not at the time pick up the software. This explains the risks a bit better I think.
