Hypabl Posted May 29 Share Posted May 29 The DSC lights have begun to illuminate, and I experience a momentary loss of power during regular driving. Initially, there were just a few isolated incidents of encountering a roundabout, but last night on the road, the warning lights on my vehicle were blinking rapidly, like a brightly lit Christmas tree, even though I was driving on a straight path. Based on my research, it seems that the problem may be related to a reluctor ring. I have many inquiries, then. The problem arose the day after my vehicle's maintenance, during which two fresh rear tyres and brake pads were installed. Could this plausibly be the cause or is it really a chance occurrence? Can I resolve this issue independently using a Haynes manual or instructional videos on YouTube? Am I pursuing the incorrect course of action? Salutations! Link to comment Share on other sites More sharing options...
Istairde Posted May 29 Share Posted May 29 Indeed, it seems to be indicative of a malfunctioning ABS sensor or reluctor ring. Do all the tyres installed have the same rolling radius as the front tyres, meaning they have the right width, profile, and pressures? Link to comment Share on other sites More sharing options...
Hypabl Posted May 29 Author Share Posted May 29 Ah, tyres are a wise suggestion, thank you. The current tyre size is 225/45/ZR17. The new rear tyres have a size of 255/40/ZR17. My knowledge regarding tyres is limited. Will the difference between the 45/40 measurements cause any problems? Link to comment Share on other sites More sharing options...
Istairde Posted May 29 Share Posted May 29 Based on the tyre size 225/45 has the same diameter as the tyre size 255/40, so there should not be a problem. Link to comment Share on other sites More sharing options...
Istairde Posted May 29 Share Posted May 29 https://tiresize.com/calculator/ Link to comment Share on other sites More sharing options...
Hypabl Posted May 29 Author Share Posted May 29 Thank you, that is positive information. It seems that the issue is related to the reluctor rings. Can something be accomplished as a do-it-yourself task? Link to comment Share on other sites More sharing options...
Kiddokt Posted May 29 Share Posted May 29 It is OK to do so, as long as the hub nut has not corroded. Link to comment Share on other sites More sharing options...
Dudeta Posted May 29 Share Posted May 29 Prioritise tidying up as your first course of action. Link to comment Share on other sites More sharing options...
tr4s Posted May 29 Share Posted May 29 Undoubtedly, the artefact in question is the relic or ring. If you remove the wheel speed sensor, you will see signs of wear at the end where the ring has rusted, enlarged, and is causing the sensor to deteriorate. Link to comment Share on other sites More sharing options...
Wordcar Posted May 29 Share Posted May 29 It is coincidental that I have had the same difficulty in the last several weeks. The symptoms are same and may be resolved by disabling the DTC. Kindly inform me of your progress in resolving this issue. 👍 Link to comment Share on other sites More sharing options...
SlayNeo Posted May 29 Share Posted May 29 The reluctor ring and sensor tip will experience wear and tear. My BMW e90 is equipped with the same tyre configuration as yours, which consists of 225x45x17 tyres in the front and 245x40x17 tyres in the rear. I have never had any issues with this arrangement, and I had the same tyre combination on my previous BMW e46 as well. Link to comment Share on other sites More sharing options...
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