Thankyou grant I will defo try what you said and thankyou for the reply

I'll try that in a minute thankyou do u recommend anything else if it doesn't work?

Ye that's the second time they had it and couldn't tell me what's up they said they thought it could be injectors but I had them tested . They had 8 days last time round n cost me £620 n was no different I am open to any suggestions do u think getting sum maf senor cleaner n try that ? N thanx again

I took it to bmw n they said that they think it's injectors but I've had them tested the head technician at sytner said it had him stumped do u think it's worth getting the mad sensor changed ? Thankyou for your reply

Hi everyone Ive recently bought a 2006 x5 it's got 84000 on clock full service history but in the morning on start up it idles really bad it like makes a rumbling effect inside car and smokes for about 1 min until warm I had new glow plugs n relay changed fuel filter n had injectors tested two come ...