Whether your BMW’s throwing an AdBlue warning on the North Circular or the countdown’s already caught up with you in Croydon, you don’t need a dealer appointment or a tow truck. Our mobile engineers come to wherever your BMW is across London, remove the AdBlue fault permanently at the ECU level, and get you back on the road the same day.
We work on every diesel BMW that runs a factory AdBlue system, from the 116d up to the X7, so whatever’s throwing the fault, we’ve almost certainly seen it before. We also cover Berkshire, Buckinghamshire, Essex, Hampshire, Kent, Oxfordshire, Surrey, Sussex, Hertfordshire, Bedfordshire and Cambridgeshire, so if you’re just outside the city, we’ve still got you.
Dashboard shows an emissions fault and a mileage countdown.
Tank is full, yet the system reports it as low.
Common after cold weather or long standing.
Urea deposits block the injector and pressure drops.
116d, 118d, 120d, 218d, 220d
316d, 318d, 320d, 330d, 420d, 430d
518d, 520d, 525d, 530d, 535d, 640d
730d, 740d, 750d xDrive
X1, X3, X4, X5, X6, X7 diesel
Cooper D, Cooper SD, Countryman D
| Code | What it Means | Usual Trigger |
|---|---|---|
| P20EE | SCR NOx catalyst efficiency below threshold | Ageing NOx sensor, degraded catalyst |
| P207F | Reductant quality / performance | Poor-quality or contaminated AdBlue |
| P207F | Reductant quality / performance | Poor-quality or contaminated AdBlue |
| P20E8 | Reductant pressure too low | Worn dosing pump |
| 280F00 | NOx sensor after catalyst, signal invalid | Failing downstream sensor |
| 280D00 | NOx sensor before catalyst, signal invalid | Failing upstream sensor |
| 12C701 / 12C702 | NOx sensor heater output too low | Heater circuit fault, common in cold starts |
