Just recently had the plugs, air filter and cabin filter replaced I have done the following to try and remedy the situation Car now has a rough idle at start up when cold.
How To Reset an Idle Air Control Valve - Upgraded Vehicle
The suspected issue was a faulty ptc heater.
This is a common issue across many bmw models — and it often points to problems in the air intake, fuel, or sensor systems
In this guide, we’ll cover what causes. I have no codes or anything and it doesn't stall The rpms do drop on the cold mornings and spike back up but again it doesn't stall but i'm pretty sure thats the vanos seals First, my x5 is a 2004 model equipped with the 4.4 n62 engine producing 320hp
Probably a vacuum leak on the intake side would be my guess, take the hoses off and inspect and while you are there, clean the idle control. A 2004 bmw x5 owner experienced rough cold starts and increased fuel consumption, with an error code related to the heating system Suspecting a defective electric auxiliary (ptc) heater, they sought advice. Field cortex automotive reference for 2004 bmw x5
Engine — rough idle on cold start
My 2004 vehicle experiences a rough idle and a blinking warning light during cold starts Initially, i received codes 274e and 2748 After clearing them, i checked again a few days later and found codes. In the winter, when its cold out, i've often got the shakes upon startup and then the error on dashboard.
So i turn off vehicle and restart adn all is perfect. When i let my 2004 4.4i idle with the air conditioning off it settles into an idle around 500rpm When i first start it up it is around 700rpms and slows down to 500rpms after about 15. I have a 2005 x5 4.4 (sport, cold weather pkg., etc.) that i purchased about 6 months ago
Now that the cold weather is setting in a bit, i am
So my fiancés 2015 x5 35i has been doing a strange “bogging down” on cold starts Initially, that car jumps right up to normal idle rpm (1250ish) but after a few seconds it drops down to. Is your bmw idling rough only when the engine is cold, but then smooths out once it warms up This is a common issue across many bmw models — and it.
Anyways, on to the issue First and foremost thank you for this forum, it is a vital resource for owners After a dose of liqui moly jectron, my x5 started experiencing loss of. Anyways i have yet to completely solve my rough idle on cold start up