backfire

Hello i have bmw 645ci 2004 v8 engine coupe i want make my exhaust shooting fire ? please how i can do that ? there is any idea ? some guys told me to remove catalytic and some told me to add ecu what i should to do please thank you demo of what i want

Hello,as the title says i have a M54b22 engine with multiple misfire at idle and intake manifold backfire. I have replaced spark plugs,ignition coils I have checked compression ...12,5-13 bar,and i have checked timing chain and it is set properly.... I have removed engine oil cap to see if...

435i with BMW performance upgrade. In sport mode recently started backfiring on overrun at low speed. Also hesitancy/jerkiness on light throttle between 20 - 30mph. Dealer unable to find/rectify fault. Anyone had a similar problem and if so what is the fix?

So i had the car in the air the last 2 days doing the centre bearing and guibo and when i took it for a test drive although everyhin was fine with the job the engines gone horrible wrong! Recently its had some idling issues and revs dropping when coming to a stop but now the engine has lost...

hi there having bit of problem with my e46 at the moment, problem has been there every now and again for a while with the power loss, but now it has started backfiring and bogging down , pulling back, when i put foot down IN ANY GEAR. done a obII TEST ON IT ABOUT A MONTH AGO WHEN IT STARTED...

hi my car has a slight miss/ back fire when i rev the car on the spot and when i try and use the full rev counter when speeding it losses power as soon as it hits the red it wont go into the red but. any ideas x plate 2000 316ise