11787587130 NOx Sensor for 1st E81 E82 E87 E88 3rd E90 E91 E92 N43#5WK96621K 11787576907

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Either a) exhaust camshaft sensor has failed and needs replacing (unlikely), b), your timing chain tensioner needs replacing (very likely), or c), your timing chain itself has stretched (possible). Even after longer burning, cleaning off the soot, it turned out that the insulation of the wires was not damaged at all!

New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging . Finance is provided by PayPal Credit (a trading name of PayPal UK Ltd, Whittaker House, Whittaker Avenue, Richmond-Upon-Thames, Surrey, United Kingdom, TW9 1EH). To cause permanent damage to the wires, the temperature should reach several thousands of oC, which means – their conductor (metal) should start to melt.d. have to assume that there would be a short-circuit in the probe because, in a normal situation, the current via the heating element of the probe is only around 1. Update: I've decided against replacing the NOX sensor as members on another forum have pointed out there could be several issues and to find the culprits a specialized BMW dealer should read it out with proper diagnostic software. Plus Cruise Control, Digital Speedo, CDV Delete, Camber Pin Mod, OEM LED Numberplate Lights, Brighter Non-dimming OEM Angel Eyes.

Warranty Coverage: In case a purchased product becomes faulty during its warranty period, for reasons unrelated to your acts, omissions or misuse of the goods, you must promptly notify us and fill out a warranty claim form. Especially since the advertisement stated they've done extensive work on it like an oil change, rebalancing and a '250 point' checkup?

It is possible that the temperature of the exhaust (due to incorrect fuel mixture) has overreached 700 .

I would doubt the NOx sensor is the cause of this - which is why I'm dubious your mechanic has told you the right information - and I'm also surprised that the diagnostic has shown a failed sensor, yet (without anything to suggest otherwise) he's saying he doesn't think that is the issue. Also have a poke around and check the air intake system for splits/leaks, as this will give a rough idle as well.If the item comes direct from a manufacturer, it may be delivered in non-retail packaging, such as a plain or unprinted box or plastic bag. The 103 third parties who use cookies on this service do so for their purposes of displaying and measuring personalized ads, generating audience insights, and developing and improving products. And I'm sorry about posting in the wrong group, I was rushed to get an answer so must've misunderstood. The past week this has now been backed up by an engine warning light coming on and the engine being even more restrictive until i can pull over and turn off the ignition.