Greydog

I think its the puddle lights in the door mirrors that give problem fading on. I would try them and let us know if they work

A second thought if you get smoke when you lift off then it could be valve stem oil seals

I would bet EGR system is clogged so when your at tick over any oils in the re circulation system accumulate instead of being constantly burnt, when you accelerate big cloud of oil smoke. This happens with many marques not just BMW,

Afraid so I did mine when I was down to almost empty on the washer tank. Both my filters were clogged with a white scummy gunge, not difficult to clean just a pain having to almost drain the tank. It was a year ago I did mine. You can see the filters on the drawing they push fit to the bottom of the pump

First check the pump is getting power then if its running the filter. If it is the pump then there are pumps on Ebay

Just looked on realoem your car has 2 pumps item 5 & 8 filters 6 & 9 It looks very similar to mine you need to almost empty the washer tank to save losing to much fluid (that or park over a drain) take out the pump and wash the strainer/filter and put it back straight forward enough job

Clogged pump filters would be my bet, some screen washes leave a scummy residue that clogs the filters not restricted to BM's I have had it with Merc and Volvo as well

They must have disturbed something. Good Luck

In the engine bay on the main washer tank they have filters that can get clogged so if your in there its worth cleaning everything

We have 4 different phones paired, my wife's HTC my Padfone and Nokia and one of my sons has an Iphone 5, The padfone and the Iphone were a pain in the proverbial's. I have read that quite a few new phones have reduced Bluetooth power to save battery power, Asus advised turning off Wifi and tethering the phone, Both phones connect with my wife's Subaru and my sons Nissan pickup after a little investigation the Bluetooth receiver in the Subaru and Nissan are in the dash/centre console area. The BMW its in the boot and the antenna is there too so it seems distance was the issue? I read that they would only work with later BMW ULF/TCU units mine is late 2003, so I tried pairing with the Padfone in the boot near the antenna it worked, but when moved to the front dropped the signal when I tried a call. So I moved the bluetooth antenna up behind the back seat so far so good. The big problem with the cradle fore the Iphone is which one do you have? Plus if you change/upgrade you may need a new cradle

How long have you had the car? Have you talked to the dealer who did the work? Is it the supplying dealer? If so get them to sort it under the sale of goods act. If they can't or wont ask for your money back. O2 sensors will rarely cause rough running, how ever a blocked cat will. Get them checked. You can also swap the cam sensor from Bank 2 to Bank 1 if the rough running follows the change you have your culprit. As they had the cam covers off they may have disturbed coil packs or wiring, worth a check as you say it runs rough unless you rev it

Have you been doing any work on the car lately? If it is a V8 both the Thermostat wiring and plug and the Cam Sensor and Vanos solenoid plugs (left bank) are at the top front of the cylinder head make sure all plugs are clean and connected. If the plugs haven't been disturbed I would change the Thermostat that should clear the map sensor. the cam sensors are interchangeable so you can swap left bank for right (inlet for exhaust on a 6) to see if it moves the problem, if it does change the cam sensor (or both for belt and braces) If it is a Vanos issue then you may need some more advanced diagnostics as it could be the solenoid or the mechanical unit itself. Fingers Crossed its a simple fix

Have you checked all fuses, right side of boot and glove box (Note the glove box needs a double jointed dwarf with very thin fingers) Next I would disconnect the Bluetooth unit beneath the floor on the left of the boot, leave it disconnected for at least 20 mins make sure the key is out. This should allow the unit to reset. If that doesn't work as Daz says you need some diagnostic help, or a new ULF/TCU

As Steve says first step cancel the codes (it works like a reset) then see what comes back I had similar codes on my Drivers mirror it was a broken wire where the loom entered the mirror housing solder and tape all fixed. Most of the codes I have found on mine are down to old age (the cars 11) and connectors need separating spraying with contact cleaner and re-seating clear codes and no return. Enjoy

Good luck. I think all the grills are Black Plastic so you may have to spray them to match if yours are Silver

I think the bumper has to come off, I have also been told it is easy to snap the plastic clips that hold them on so take care. have you tried Quarry Motors in Sheffield they are specialist BMW breakers and have helped me a couple of times with trim bits (mirror covers, PDC sensors) Have a look at their web site to see what they have in. Good Luck

Greydog Horsham

realoem shows 2 Cam Sensors Part Number 12147539166 (item 3) If it were crankshaft sensor then I doubt the engine would run at all so discard that for now. As the part numbers is the same there should be no problem swapping them if you do and read the codes the code should change PO021 I believe if it does you have a faulty sensor if the code doesn't change it could be a Vanos solenoid sticking or faulty on bank 1 Dave

May be a shot in the dark but have you checked the Alternator and Aircon/Waterpump belts if one is frayed it could cause a noise

There are 2 cam sensors on the V8 and 2 knock sensors. The knock sensors will throw the Check Engine light under load but can be reset and won't come back until the engine is under load again. Cam sensors will be your likely culprit, As they changed the MAF I would be checking the all the wiring and connectors on the left bank around the MAF. The wiring looking for any sign of breaks or damage. The connectors for correct seating, I would unplug each one visually inspect and spray connector cleaner then re-seat. It's just too much of a coincidence that it all happened after the work was done. I am assuming all was quiet and smooth prior to the work? If you get BMW 1.4.0 I used an old laptop that I had here and keep just for Diagnostics (Volvo, Subaru Merc, BMW) running Win 98 I have read of people having to faf about when loading it onto new machines. INPA apparently is more forgiving. Good luck

Getting caught once, OK. Twice ! maybe, but more than that he isn't bright enough to cope with kids so should have had his breeding licence revoked before he got into trouble.

What model X5 do you have? You said BMW changed the MAF I would have them checking that they hadn't disturbed the sensor loom and connectors If you look at www.realoem.com enter the last 7 digits of your VIN it will bring up the spec for your car. Then click browse parts then Engine Electrical system in Main Group and Ignition in the Sub Group then click on the sensor drawings, you will be able to see the part numbers (should you need them) As you read your codes it would help you if you purchased a copy of BMW 1.4.0 or INPA (look on Ebay) they will allow you to do and understand much more as it will clearly identify the cause in English not code. You can reset faults and check whether they return (fault codes can be triggered by many things fro failed part to low battery voltage) Then when talking to the Dealer you will have more knowledge at your finger tips. Or if you are going to DIY again combined with realoem can help a great deal. For my ten peneth I would be worried about causing engine damage driving it in its current state. However as this has all transpired since you had work done I still suspect a connector or two has been disturbed.

If its been running knackered Cat's I would suspect that there is a lot of carbon in the system MAF MAP EGR. I would suspect will all show faults so Dabsy is right on the money, first port of call is a session on the computer. Make sure it is someone with Autologic or BMW software or they may not show up. Reset and see if it makes a difference if not I guess you have a lot of cleaning to do.

Google tells me that's a camshaft position sensor code, could it be a coincidence? Or could a ham fisted Tech have dislodged something? Try looking on www.realoem.com for where its located so you can check. Or get the "Mr angry" hat on and ask BMW whats going on

Nah, I am an "old bloke" from the school of "if its working don't fix it" but I have read on other sites were people have changed all interior lights with out issues It seems the tail lights and side lights can give problems with flicker which is thought to be caused by the self test circuits.