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6
X1 brake failure
Hi Paul BMW insisted that as the brake fluid was touched by the independent garage who did the 45,000 service, then it was not a BMW problem. BMW eventually changed the brake fluid and retested, and NFF. Daughter had to suck up those costs plus the repairs to get her car back. Update: probably unrelated, but worth noting. coming back from the Lake District in the rain (June 2025), the O/S rear brake seized. Car was recovered back to Reading. Independent garage replaced calliper and pads, then ABS system, as they discovered a known fault with these brakes in that the ABS senses when the wipers are working and applies slight brake pressure to clear any potential water from the brakes . . . . -
6
X1 brake failure
Hi Nellie, My name is Paul and this exact thing just happened to my daughter in her 2018 X1. Would love to learn more about what you found out. Thanks, Paul -
3
Engine misfire
Hi Andrew Do you have any Diagnostic software ? or know someone who does ? By selecting live data I can see my injectors and whether they are operating at the same (or close volumes) I can also so see fuel rail pressure. So I don't have to get my fingers dirty unless there's and issue. My brother In-law's 540d estate is at a little over 200k and running well so mileage shouldn't be an issue I would start by checking for any leaks on the Inlet side. Unmetered air will cause a misfire Dave -
3
Engine misfire
Hi Dave, I don't like the sound of that. Firstly I don't know the first thing about checking fuel rail pressure, and the injectors have never been checked while I have had it. I got it at 89000 miles and its now at around 144,000. I can get the car to go as quick as I want without a miss as long as I don't want any severe acceleration. I would also be nervous about removing injectors as I have heard many horror stories about them breaking. The vacuum lines were renewed last year. It would appear the fuel sensor would be the only thing would want to try myself before i have to surrender it to a Bmw expert. thanks Paneuro. -
3
Engine misfire
Morning Andrew Your description sounds like fuel delivery so worth checking fuel rail pressure and sensor as a starting point. Also an Injector check (don't know how many miles you have done Inlet side all Vacuum lines and pressure hoses good (no cracks) throttle body OK Fuel filter OK Dave
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