Am experiencing repeat high-pressure fuel pump (hpfp/cp4) failure on my 2014 bmw 535d. First incident was covered an extended warranty. Policy then with the second being cover under then recently issued recall of the matter. Now i am experiencing however another cp4 failure with the dealership refusing to cover the repair saying the recall was completed . Given that the vehicle already received bmw corrective action for this known issue and the same component has now failed again, CP4 failures are a well known document concern with the diesel bmw community and this failure creates potential safety risk(stalling) I believe it is reasonable to expect bmw to participate in covering this repair under goodwill consideration. I have maintained the vehicle responsibly.
NHTSA complaint #11721723 — an unverified report by a vehicle owner.
Component/system failed: High-pressure fuel pump (HPFP) failed, releasing metal swarf that contaminated the entire fuel system. Components are at Niello BMW Sacramento (2020 Fulton Ave, Sacramento CA 95825) and available for inspection upon request (RO #XXX includes tech photos of swarf).Safety risk: On October 10, 2025, while driving on the freeway at highway speed, the engine suddenly lost all power and stalled completely in heavy traffic. No acceleration was possible – immediate rear-end collision risk and stranded in hazardous location requiring emergency tow.Confirmed by dealer: Yes – Niello BMW Sacramento (authorized BMW dealer), RO #XXX (Oct 2025). Fault code 249300 (low fuel pressure). Tech removed quantity control valve from HPFP, found metal swarf throughout fuel system, stated "VEHICLE NEEDS COMPLETE FUEL SYSTEM REPLACED."Inspected by manufacturer/others: Inspected by Niello BMW. BMW North America Executive Relations reviewed and formally declined coverage Nov 18–20, 2025, stating the recall repair was already completed once in 2021 and that supposedly satisfies the recall obligation. No BMW field tech inspection.Warning lamps/symptoms: Drivetrain Malfunction warning appeared at exact moment of failure. No prior warnings or symptoms – failure was sudden while driving.Additional details: Identical recurrence of NHTSA Safety Recall 21V-586. BMW performed recall remedy Dec 21, 2021 (RO #880742) at 67,779 miles. Replacement HPFP failed at 111,629 miles (only 43,850 miles later) with same metal swarf contamination. Remedy has proven ineffective. BMW refuses coverage, incorrectly claiming completing the recall once in 2021 satisfies their duty despite clear recurrence. Vehicle remains at dealership and is fully available for NHTSA inspection. [XXX] is my mother in law. She passed away unexpectedly August of 24. I'm authorized on the account per BMW my name is [XXX] ) INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
NHTSA complaint #11700615 — an unverified report by a vehicle owner.
Hello, I have a 2014 BMW 535D, with only 46k miles. On September 14, 2025, my family experienced an unexpected and horrific incident that could have resulted with tragic consequences. This is not acceptable. While driving on the freeway at approximately 70 MPH, our vehicle completely malfunctioned in the fast lane and came to an abrupt stop. The thought of a vehicle traveling at a high rate of speed and crashing into us and potentially causing an explosion would have been catastrophic. Luckily, CHP pushed our vehicle to the shoulder after waiting fearfully for 20 minutes. I had a diagnostic report completed of my vehicle and it identified that the engine failure was due to the high pressure fuel pump coming apart internally and contaminated the entire fuel system with metal particles. The vehicle is available for inspection by NHTSA, if needed. No warning lamps or messages ever appeared to advise something was wrong. I have researched and learned that there was a 21V-586 recall for my exact year and model vehicle. I had never received this important notice from BMW and it was not addressed during any of my visits at the dealership every time I brought it in for maintenance. I am appalled at the possible loss of life due to this negligence. On September 16, 2025, I spoke with BMW customer relations, who advised that the recall I referenced above was only a warranty extension, of which had expired in November 2024. As a result, I just missed the warranty, despite how I experienced the exact issue identified in the recall notice/warranty. My concern again is why was I not notified of this so that I could have brought my vehicle in for inspection and repair, instead of having a close call with a potentially tragic outcome. BMW needs to recognize this negligence and repair my vehicle as cited in the recall notice/warranty. There needs to be better accountability to properly notify the consumer. Thank you for your attention and assistance with this matter.
NHTSA complaint #11687764 — an unverified report by a vehicle owner.
Car stalled at 119,000 miles giving no service codes or indications of need for service. Car stalled again at 122,000 miles and would not restart. BMW specialist found high pressure fuel pump failure and contamination of all surrounding fuel system components. Research into this issue shows a systemic failure of the high pressure fuel pumps on these vehicles but this particular VIN number is not supported in the existing recall. The repair cost of the components is greater than the value of the vehicle, with no defect coverage from BMW.
NHTSA complaint #11682345 — an unverified report by a vehicle owner.
The contact owns a 2016 BMW 535D. The contact stated while driving approximately 25 MPH, the vehicle experienced a loss of motive power. No warning lights were illuminated. The vehicle was towed to a local dealer where it was diagnosed with high-pressure fuel pump failure. The vehicle was left at the local dealer, where it remained for further repairs. The vehicle was not repaired. Upon further investigation, the contact related the failure to NHTSA Campaign Number: 21V586000 (Fuel System, Diesel); however, the VIN was not included. The manufacturer was made aware of the failure. The failure mileage was approximately 116,000.
NHTSA complaint #11654425 — an unverified report by a vehicle owner.
My car keeps indicating that my battery is low because it is discharging after car is turned off. I kept smelling a burning smell and finally discovered that my battery was burning a hole in my trunk lining. The battery has melted the plastic covering the positive terminal on the left side. And it was smoking on fire when I opened my trunk.
NHTSA complaint #11627396 — an unverified report by a vehicle owner.
The contact owns 2014 BMW 535D. The contact stated while driving 75 MPH, the vehicle stalled. The vehicle was steered to the side of the roadway. The vehicle was not able to be restarted. The vehicle was then towed to an independent mechanic where it was diagnosed that the high-pressure fuel pump needed to be replaced. The vehicle was not repaired. The contact related the failure to NHTSA Campaign Number: 21V586000 (Fuel System, Diesel) however, the VIN was not included. The manufacturer was notified of the failure. The failure mileage was approximately 102,000.
NHTSA complaint #11622703 — an unverified report by a vehicle owner.
The oxygen sensor on my 2015 BMW 535D Diesel has become faulty. BMW has extended the warranty on Oxygen sensor for diesel vehicles to 10 years OR 120,000 miles. My car is still within 10 year threshold, but at 137,000 miles. It seems BMW has set a mileage threshold exactly before the parts start malfunctioning. The faulty oxygen sensors cause very bad fuel consumption. The mileage warranty threshold be lifted or increased.
NHTSA complaint #11619757 — an unverified report by a vehicle owner.
The oxygen sensor on my 2015 BMW 535D Diesel has become faulty. BMW has extended the warranty on Oxygen sensor for diesel vehicles to 10 years OR 120,000 miles. My car is still within 10 year threshold, but at 137,000 miles. It seems BMW has set a mileage threshold exactly before the parts start malfunctioning. The faulty oxygen sensors cause very bad fuel consumption. The mileage warranty threshold be lifted or increased.
NHTSA complaint #11619758 — an unverified report by a vehicle owner.
HIGH PRESSURE FUEL PUMP HAS SUDDENLY FAILED CAUSING A IMMEDIATE ENGINE STALL WITHOUT WARNING. WILL NOT RESTART EVEN THOUGH IT DOES TURN OVER. CODE READS LOW FUEL PRESSURE AT FUEL RAIL. FUEL TANK LIFT PUMP IS WORKING CORRECTLY. THERE IS A RECALL FOR SOME 2014 TO 2016 535D FOR THIS FAILURE. WHY IS MINE NOT COVERED? 122,400 MILES.
NHTSA complaint #11604602 — an unverified report by a vehicle owner.
The contact owns a 2014 BMW 535d. The contact stated while stopped at an intersection, and about to make a left hand turn onto a cross street, the vehicle stalled. The contact stated that a message stated the vehicle had turned itself appeared on the instrument cluster. The contact had made multiple attempts to restart the vehicle but was unable. The contact had the vehicle towed to a local dealer who diagnosed that the fuel pump and the rest of the fuel system had to be replaced due to the failure of the fuel pump. The vehicle was not repaired. The manufacturer was informed of the failure. The contact had researched online and related the failure to NHTSA Campaign Number: 21V586000 (Fuel System, Diesel). The failure mileage was approximately 125,000.
NHTSA complaint #11554950 — an unverified report by a vehicle owner.
In July 2023, on the interstate in Des Moines during rush hour traffic, the car suddenly lurched once and abruptly stalled. We were in the passing lane with no chance to cross 3 lanes of traffic, so I coasted onto the left shoulder. We were towed to the BMW dealership where we were eventually informed of a “catastrophic” failure of the fuel system requiring complete replacement. This was not an ordinary fuel pump failure. There were no warning messages prior to the stall and when it did stall we were not warned to pull over safely in “limp mode”. Had we been in either of the center two lanes when it happened, we could have created a multi-car accident— which easily could have resulted in injuries or deaths. After several conversations with BMW of North America Customer Relations, I learned that some cars of this year, make and model have been recalled and others were issued an extended warranty (10 years or 120,000 mile— we were at 9 years and 125,000 miles). Despite my complaint and concern for the risks involved, BMW has chosen to do nothing further. By internet review, this fuel pump— the Bosch CP4— is a known problem in the United States.
NHTSA complaint #11547724 — an unverified report by a vehicle owner.
BOSCH CP4 HPFP failed and released metal shavings throughout all fuel lines, injectors and gas tank. BMW had a recall for 12K vehicles but mine was not on the recall list and BMW cannot explain why given that my fuel pump exploded like so many other BOSCH CP4 pumps. I am not in at least 7K in repairs to replace all the fuel lines, pumps and injectors that the faulty part ruined. I believe BMW knew that these pumps were bad and did not notify all owners that had them in the car. My year, make, model and build date all fit into the recall notice but i was not included. BMW cannot explain why and will not agree to pay for the repair bills.
NHTSA complaint #11546427 — an unverified report by a vehicle owner.
Vehicle stalled at 60mph in free way without giving any check engine lights. I barely was able to pull over safely which could have ended in a big accident. This is a High Pressure Fuel Pump (HPFP) failure as stated in recalls for these same vehicle model and years 2014-2018. Need to assure BMW takes responsibility for all vehicles to assure that this failure is avoided in all vehicles and not in some and prevent future potential accidents or death.
NHTSA complaint #11514705 — an unverified report by a vehicle owner.
The contact owns a 2015 BMW 535D. The contact received notification of NHTSA Campaign Number: 21V907000 (Fuel System, Diesel) however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact stated the when the vehicle was started, the exhaust had begun to emit a large cloud of white smoke from the tailpipe. The contact was aware of NHTSA Campaign Number: 21V907000 (Fuel System, Diesel), and turned the vehicle off and had it towed to a dealer. The vehicle was diagnosed and determined that the EGR Cooler had failed and had damaged the engine and the engine needed to be replaced. The vehicle had not been repaired. The failure mileage was approximately 100,000. Parts distribution disconnect.
NHTSA complaint #11513024 — an unverified report by a vehicle owner.
The contact owns a 2014 BMW 535D. The contact stated while driving approximately 10 MPH, the vehicle stalled. The vehicle was towed to the local dealer who diagnosed that the high-pressure fuel pump had failed, and the entire fuel system needed to be replaced. The vehicle was not yet repaired. The manufacturer was notified of the failure and informed the contact that the vehicle was not included in NHTSA Campaign Number: 21V586000 (Fuel System, Diesel). The contact indicated that the vehicle had experienced the failure listed in the recall. The failure mileage was 130,000.
NHTSA complaint #11497093 — an unverified report by a vehicle owner.
The high-pressure fuel pump on my 2014 BMW 535D failed while driving at 55 MPH, causing a sudden, and dangerous shut down of the vehicle. I was barely able to get the vehicle off the road and had to block one lane of traffic until the vehicle was towed away. The car lost power QUICK and then would not start back up after it shut off. This specific issue is listed for the exact year, make, and model of my vehicle, but all searches say my specific VIN is not affected. I believe my vehicle should absolutely be included under this recall. Two mechanics have inspected the system, including CROWNE BMW of GREENSBORO, NC. Crowne BMW of Greensboro states that there is metal debris found in the fuel tank, pointing to a failure of the high-pressure fuel pump. Not seeing any active recalls, a previous mechanic had replaced the fuel pump and 2 of the 6 injectors, but this did not remedy the issue. The car still does not function properly, constantly gives warning lights, and runs poorly, like it's starving for fuel. It is my belief that these metal shavings have contaminated and ruined the entire fuel system on my car and likely caused irreparable damage to the engine as well. I believe BMW should be responsible for this faulty fuel pump and thus, the damage to my entire fuel system and engine. I would hate for this issue to happen to someone else or a family on the highway and cause a serious injury or even a death.
NHTSA complaint #11491389 — an unverified report by a vehicle owner.
The contact owns a 2015 BMW 535D. The contact received notification of NHTSA Campaign Number: 21V907000 (Fuel System, Diesel) however, the part to do the recall repair was not yet available. The dealer was not made aware of the issue. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact had not experienced a failure. Parts distribution disconnect
NHTSA complaint #11483505 — an unverified report by a vehicle owner.
there is an active recall on my current vehicle. i am in california and i cannot reregister until it is completed. recall states may cause fire. dealer states "no remedy available". so now i have a 5000lb paperweight in my driveway.
NHTSA complaint #11480368 — an unverified report by a vehicle owner.