Re: Secolul XX BMW B12 Alpina 5.7 Shift-tronic
 

A fost ceva senzational la vremea ei (c.v.) .
"Now the details. Alpina's design spesifications for the ShiftTronic (ST) was that it must be a bolt on system i.e. did not involve opening/changing ANYTHING on the vehicle. The system was developed in colaboration with the German manufacture LuK GS, and was started in the late 80s/early 90s on the B12 5.0. The system has its own hydralic pump and plumming that operated at 40bar(!) The system operated the clutch opening and closing cycle. The gir shifts are done by the driver. The system checks for vehicle speed, rpm, trottle opening and acctuation, clutch wear, gir lever movement and acceleration+++. The system "knows" if you are driving smooth or what to launch from a stand still. The complete clutch cycle, opening and closing can be done in 30ms! So is up to the driver to make the shift fast.

I've spoken to the previous owner of the B12 5.7 featured in Total BMW last year and he LOVED the system. He said that the ST system was fantastic and wished that it was still available. "Driving around town or race track, the system is flawless" end of quote."



"Functions as follows:

Starting: Depoendant upon the position of the accelerator pedal the electronics determine the speed aon´´nd progress of the clutch engagement. Hence, it is possible by challenging the position of the accelerator pedal to start very gentle or sharply for maximum acceleration.

Gearshift: If one starts to move the gear lever, in the same as one would normally change gear, a sensor at the shift lever recognizes that there is an intention to shift gear and the electronics cause the clutch to disengage and engage at the optimal settings. The mechanics of this consists of an electrohydralic pressure supply and a hydralic setting cylinder which operates the clutch.

Alpina will ensure it is among the first manufactureers to put electronic clutch management system at your disposal. Be sure in 5-10 years all cars will be made this way"



Gear diagram (a2-a poza) ( B12 5.7 Euro Spec 6speed manual , Stock tyres 285/35 ZR 18 )

Re: Secolul XX BMW B12 Alpina 5.7 Shift-tronic
 

merci frumos ... asta kiar e o informatie folositoare ;)

Re: Secolul XX BMW B12 Alpina 5.7 Shift-tronic
 

foarte interesant articol..se pare k se vor construi din nou masini cu astfel de cutie 8).

Re: Secolul XX BMW B12 Alpina 5.7 Shift-tronic
 

o masina care a facut istorie.presupun ca era biturbo ,modele alpina de atunci erau biturbo..se speram ca BMW se vor trezi si vor face un nou supercar un posibil seria 8 sau un nou inlocuitor pentru M1 posibil z10

Re: Secolul XX BMW B12 Alpina 5.7 Shift-tronic
 

frumos si cutia cred ca e bestiala, mai ales sa o retehnologizezi dupa 2009 e vis

Re: Secolul XX BMW B12 Alpina 5.7 Shift-tronic
 

revenind la subiectul despre descendenti si ascendenti al modelului..arborele genealogic de la bmw spune k seria 8 a fost inlocuit de Z8.:D

Re: Secolul XX BMW B12 Alpina 5.7 Shift-tronic
 

nu era biturbo avea motor normal aspirat 5.7 V12 416 calutzi...ma gandesc la masina asta k la un veyron al anilor nostri :twisted:

Re: Secolul XX BMW B12 Alpina 5.7 Shift-tronic
 

de unde e motoru ala 5.4 de seria 7 sau 5.8 de seria 8 CSI?ulterior a fost B7 v12 6.0 430CP

Re: Secolul XX BMW B12 Alpina 5.7 Shift-tronic
 

O bijuterie... Merita multa considerare :)

Mai pun poze :P

Re: Secolul XX BMW B12 Alpina 5.7 Shift-tronic
 

ms pt poze Evoluzione. ma intreb daca o mai exista vreun model care sa mai circule inca in 2009? :?:

Re: Secolul XX BMW B12 Alpina 5.7 Shift-tronic
 

N-ai pentru ce. Sper sa mai circule, pozele sint facute in Paris, in 2006 de un ziarist... Deci nu poti trage concluzii.

Re: Secolul XX BMW B12 Alpina 5.7 Shift-tronic
 

Alpina nu stiu daca mai sunt,dar 8-uri normale sunt in draci.

Re: Secolul XX BMW B12 Alpina 5.7 Shift-tronic
 

sa dea dracii in ele...cred k ma chinui de 1 luna sa vad unu sa il pozez ...si canci :))

Re: Secolul XX BMW B12 Alpina 5.7 Shift-tronic
 

pur si simplu...frumoasa:D

Re: Secolul XX BMW B12 Alpina 5.7 Shift-tronic
 

Cine e din Ploiesti,probabil il cunoaste pe Mocofanu. El are un Seria 8,dar nu stiu sigur daca e 840 sau 850. Oricum,cand mai dau ochiu cu el il trag pe dreapta sa ii bag 2 poze.