still putting more stress on it, which ever box it is

and the one thing you havent taken into account is the gear box, known to disintegrate on a whim, changing the diff will put more stress on it when pulling away

see i just went ahead and did it, and there were plenty saying it couldnt be done and noone saying how to do it

so do the swap then

but what are the 5th and 8th gear ratios

you should look at the gear ratios, in the 5 speed 4th is 1 to 1, in the 8 speed 7 is 1to1, the later box may have 8 gears but thats only to fil in the spaces between the 5 speed to make changing even smother, the manual 6th gear is a lower gear than the 5 speed autos 5th so i need more revs...

been there done that spent 3 days looking for it, found it 4 years later still stuck under a hose along with a 10mm socket i lost the year before

and that keeps making me feel tied

it was an x3 box, you would have to change both diffs as the transferbox is not a true diff

as someone who drasticly changed hes drive train (manual box) in a l322 i looked at changing diff ratios, but decided against it as too much work for little gain, several things came from it, the forum was split about doing it ( one member was very against it and another wanted details on how i...

i went through this last year low pressure and no start was about to change the high pressure relief valve at the back of the high pressure pump when a diesel engineer told me to do a leak off test, one faulty injector later runs as sweat as, you wont get the high pressure if its leaking back...

if he has a pressure sensor issue he wont read any pressure with diags,( and an immoberliser issue in the ecu) id go for the leak off test easy to do, its fuel air and compression despite all the sensors

but that will only tell him he has a pressure problem which he already knows

he needs the right software for that, besides hes already been told theres no pressure, just hasnt diagnosed were its going, becoming a shot gun repair ( unnessesery ecu mod )

there are lots of reasons why you cant register fuel pressure, the imoberliser isnt one of them, there are 3 pumps in the system any of which could cause no fuel pressure then there is the fuel pressure relief (mechanical and not monitored) and faulty injectors, the fact you have a code from the...

diesel is crank disabled, petrol is fuel disabled

i had just one faulty injector which prevented the fuel rail from getting to pressure, no pressure and ecu doesnt fire injectors

you dont need to have it running just cranking for a leak off test, there are plenty of utube videos on how todo it plus a leak off kit on fliebay is about £35

i would do a leak off test before doing the fuel sensor as a faulty injector stops it starting ( and if it was cranking it wasnt the immobiliser)

there is a whole sequence of events that have to happen before the diesel will start (cant say about the petrol) any one of which would stop the starter from working