Odometer readings owners gave when they filed. About half of all
complaints include one.
1,000 – 9,999 miles
13.0%
10,000 – 24,999 miles
13.0%
25,000 – 49,999 miles
13.0%
50,000 – 74,999 miles
927.3%
75,000 – 99,999 miles
1030.3%
100,000 – 149,999 miles
1030.3%
150,000+ miles
13.0%
When owners complained
A spike years after the car went on sale usually means a part wearing
out on schedule across the whole fleet — the kind of pattern no single
owner can see from inside their own car.
Jun 2005peak 5Jun 2021
Complaints that involved harm
Reports where the owner recorded a crash, a fire, an injury or a death.
at 100,046 milesCrowley, LAFire
EXTERIOR LIGHTING
The contact owns a 2005 BMW 645CI. The contact stated that while the vehicle was at the independent mechanic for the front driver’s side bulb replacement, the mechanic informed the contact that the headlight wires were brittle and burnt. The dealer was made aware of the failure and informed the contact to buy new headlamps. The vehicle was not repaired. The manufacturer was made aware of the failure and referred the contact to file a complaint with the NHTSA. The failure mileage was 100,046.
NHTSA complaint #11419562 — an unverified report by a vehicle owner.
at 76,000 milesIrmo, SCFire
SEATS
MY WIFE WAS DRIVING MY KIDS TO SCHOOL, WHEN SMOKED FILLED THE CABIN OF THE CAR. SHE PANICKED AND CALLED ME AND I TOLD HER TO TURN THE CAR OFF AND GET OUT. MY SON NOTICED THAT HIS MOTHER WAS SMOLDERING. PLEASE SEE THE PICTURES ATTACHED. I CONTACTED BMW AND THEY ARE NOT WILLING TO DO ANYTHING. I LOOK ONLINE AND FOUND THE DOCUMENT ATTACHED AND NOTICED THAT THIS IS A VERY COMMON PROBLEM. HOW MANY TIMES DOES THIS NEED TO HAPPEN BEFORE SOMEONE GET HURTS SERIOUSLY. PLEASE CONSIDER A MANUFACTURER'S RECALL SO THAT THESE OBVIOUSLY DEFECTIVE WARMERS CAN BE CHECKED OR REPLACED.
NHTSA complaint #10845871 — an unverified report by a vehicle owner.
at 26,000 milesCarmichael, CAFire
SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER
TL*- THE CONTACT OWNS A 2005 BMW 645I WITH A CURRENT ODOMETER READING OF 26000 MILES. THE CONTACT STATED THAT WHILE DRIVING UNDER DRY CONDITIONS AT ABOUT 5 MPH HE FELT AN ELECTRIC SHOCK IN HIS BUTTOCKS FROM THE SEAT. THE CONTACT REPOSITIONED HIMSELF IN THE SEAT AND FELT THE SHOCK AGAIN, AND THIS TIME IT WENT ALL THE WAY DOWN HIS LEG. THE CONTACT STATED THAT HE PULLED TO THE SIDE OF THE ROAD AND SAW SMOKE COMING FROM HIS SEAT. HE CALLED THE FIRE DEPARTMENT AND AS HE LOOKED IN THE HOLE IN THE SEAT HE COULD SEE ELECTRIC CURRENT PASSING THROUGH . THE FIRE DEPARTMENT CAME OUT AND DISCONNECTED THE FUSE FOR THE HEATED SEATS. THE CONTACT MADE AN APPOINTMENT WITH THE DEALER TO HAVE THE PROBLEM FIXED.
NHTSA complaint #10184011 — an unverified report by a vehicle owner.
at 3,700 milesMonarch Beach, CAFire
ENGINE AND ENGINE COOLING
THE CAR WAS DRIVEN HOME FROM WORK, APPROXIMATELY 15 MILES, AND WAS PARKED IN THE GARAGE OF OUR HOME. TEN MINUTES LATER IT COMBUSTED AND BEGAN BURNING FROM THE ENGINE COMPARTMENT. IT BURNED TO THE GROUND AND GUTTED OUR HOUSE.
NHTSA complaint #10126071 — an unverified report by a vehicle owner.
The most recent complaints
In the owners' own words, exactly as filed with NHTSA.
at 100,046 milesCrowley, LAFire
EXTERIOR LIGHTING
The contact owns a 2005 BMW 645CI. The contact stated that while the vehicle was at the independent mechanic for the front driver’s side bulb replacement, the mechanic informed the contact that the headlight wires were brittle and burnt. The dealer was made aware of the failure and informed the contact to buy new headlamps. The vehicle was not repaired. The manufacturer was made aware of the failure and referred the contact to file a complaint with the NHTSA. The failure mileage was 100,046.
NHTSA complaint #11419562 — an unverified report by a vehicle owner.
at 120,000 milesLOS Vegas, NV
SERVICE BRAKES, HYDRAULIC
TL* THE CONTACT OWNS A 2005 BMW 645CI. THE CONTACT STATED THAT AN UNKNOWN FLUID WAS LEAKING FROM ENGINE COMPARTMENT. THE CONTACT STATED NO WARNING LIGHT WAS ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED WITH NEEDING THE VACUUM PUMP TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. UPON INVESTIGATION, THE CONTACT ASSOCIATED THE FAILURE WITH NHTSA CAMPAIGN NUMBER: 10V446000 (SERVICE BRAKES, HYDRAULIC) HOWEVER, THE VIN WAS NOT INCLUDED. THE MANUFACTURER HAD NOT BEEN INFORMED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 120,000.
NHTSA complaint #11395819 — an unverified report by a vehicle owner.
at 65,000 milesHerndon, VA
SEAT BELTS
I PLACED AN ITEM IN THE FRONT PASSENGER SIDE SEAT WITHOUT FASTENING THE SEATBELT AND THE AIRBAG LIGHT CAME ON AND STAYED ON... THIS IS THE FIRST TIME THIS HAS EVER HAPPENED. THE CAR WAS STATIONARY BUT THE ENGIN WAS RUNNING.
NHTSA complaint #11152082 — an unverified report by a vehicle owner.
at 65,000 milesHerndon, VA
AIR BAGS
I PLACED AN ITEM IN THE FRONT PASSENGER SIDE SEAT WITHOUT FASTENING THE SEATBELT AND THE AIRBAG LIGHT CAME ON AND STAYED ON... THIS IS THE FIRST TIME THIS HAS EVER HAPPENED. THE CAR WAS STATIONARY BUT THE ENGIN WAS RUNNING.
NHTSA complaint #11152082 — an unverified report by a vehicle owner.
Hudson, FL
EXTERIOR LIGHTING
"TAKATA RECALL" HEADLIGHT WIRING BURNED
NHTSA complaint #11104868 — an unverified report by a vehicle owner.
Hudson, FL
ELECTRICAL SYSTEM
"TAKATA RECALL" HEADLIGHT WIRING BURNED
NHTSA complaint #11104868 — an unverified report by a vehicle owner.
at 105,000 milesDurham, NC
UNKNOWN OR OTHER
I OWN A BMW 645CI 2005 CONVERTIBLE I HAVE ISSUES YES ISSSUES WITH THIS VECHILE, FIRST ISSUE IS THE INFAMOUS IDRIVE THAT NEVER REALLY WORKED PROPERLY SINCE I PURCHASED THE CAR, IT BLINKS ON AND OFF FOR 30MINS THEN IT WOULD MAGICALLY COME ON UNTIL ONE DAY IT JUST DIDN'T COME BACK ON THIS WAS AFTER A TRIP TO THE DEALER TO GET THE CONVERTIBLE TOP LOCK REPROGRAMMED.. SO THE CAR WAS INCLUDED IN THE LAWSUIT SO I TAKES IT TO THE DEALER FOR THE REPROGRAMMING AND MY CAR CAME OUT WORST THEN IT WENT IN THE IDRIVE NEVER WORKED TO THIS DAY WHICH IS 04/16/2018, MY TOP ONLY OPENS WITH THE PASSENGER SIDE DOOR SLIGHTLY OPENED YES THE DOOR HAS TO BE OPEN FOR THE TOP TO OPERATE... THIS IS WHAT THE DEALER TOLD ME SO I WAS SO CONFUSED OF WHAT THE REPROGRAMMING WAS FOR ? I NEED ANSWERS AND IT'S NOTHING I DID AS A OWNER I WAS VERY TO THE BOOK WHEN IT CAME TO OPENING MY TOP AND OPERATING THE IDRIVE AND ETC... THE INFAMOUS COOLANT LEAK ALSO COMES FROM A DEFECTIVE BIMMER PIPE THAT WAS INSTALLED BY THE MAKERS OF THE VEHICLE AND WE THE CUSTOMERS HAS TO PAY TO REPAIR THESE ISSUE THAT OCCUR ON 60% IF NOT MORE OF THESE CARS ...
NHTSA complaint #11088512 — an unverified report by a vehicle owner.
at 105,000 milesDurham, NC
ELECTRICAL SYSTEM
I OWN A BMW 645CI 2005 CONVERTIBLE I HAVE ISSUES YES ISSSUES WITH THIS VECHILE, FIRST ISSUE IS THE INFAMOUS IDRIVE THAT NEVER REALLY WORKED PROPERLY SINCE I PURCHASED THE CAR, IT BLINKS ON AND OFF FOR 30MINS THEN IT WOULD MAGICALLY COME ON UNTIL ONE DAY IT JUST DIDN'T COME BACK ON THIS WAS AFTER A TRIP TO THE DEALER TO GET THE CONVERTIBLE TOP LOCK REPROGRAMMED.. SO THE CAR WAS INCLUDED IN THE LAWSUIT SO I TAKES IT TO THE DEALER FOR THE REPROGRAMMING AND MY CAR CAME OUT WORST THEN IT WENT IN THE IDRIVE NEVER WORKED TO THIS DAY WHICH IS 04/16/2018, MY TOP ONLY OPENS WITH THE PASSENGER SIDE DOOR SLIGHTLY OPENED YES THE DOOR HAS TO BE OPEN FOR THE TOP TO OPERATE... THIS IS WHAT THE DEALER TOLD ME SO I WAS SO CONFUSED OF WHAT THE REPROGRAMMING WAS FOR ? I NEED ANSWERS AND IT'S NOTHING I DID AS A OWNER I WAS VERY TO THE BOOK WHEN IT CAME TO OPENING MY TOP AND OPERATING THE IDRIVE AND ETC... THE INFAMOUS COOLANT LEAK ALSO COMES FROM A DEFECTIVE BIMMER PIPE THAT WAS INSTALLED BY THE MAKERS OF THE VEHICLE AND WE THE CUSTOMERS HAS TO PAY TO REPAIR THESE ISSUE THAT OCCUR ON 60% IF NOT MORE OF THESE CARS ...
NHTSA complaint #11088512 — an unverified report by a vehicle owner.
at 105,000 milesDurham, NC
ENGINE
I OWN A BMW 645CI 2005 CONVERTIBLE I HAVE ISSUES YES ISSSUES WITH THIS VECHILE, FIRST ISSUE IS THE INFAMOUS IDRIVE THAT NEVER REALLY WORKED PROPERLY SINCE I PURCHASED THE CAR, IT BLINKS ON AND OFF FOR 30MINS THEN IT WOULD MAGICALLY COME ON UNTIL ONE DAY IT JUST DIDN'T COME BACK ON THIS WAS AFTER A TRIP TO THE DEALER TO GET THE CONVERTIBLE TOP LOCK REPROGRAMMED.. SO THE CAR WAS INCLUDED IN THE LAWSUIT SO I TAKES IT TO THE DEALER FOR THE REPROGRAMMING AND MY CAR CAME OUT WORST THEN IT WENT IN THE IDRIVE NEVER WORKED TO THIS DAY WHICH IS 04/16/2018, MY TOP ONLY OPENS WITH THE PASSENGER SIDE DOOR SLIGHTLY OPENED YES THE DOOR HAS TO BE OPEN FOR THE TOP TO OPERATE... THIS IS WHAT THE DEALER TOLD ME SO I WAS SO CONFUSED OF WHAT THE REPROGRAMMING WAS FOR ? I NEED ANSWERS AND IT'S NOTHING I DID AS A OWNER I WAS VERY TO THE BOOK WHEN IT CAME TO OPENING MY TOP AND OPERATING THE IDRIVE AND ETC... THE INFAMOUS COOLANT LEAK ALSO COMES FROM A DEFECTIVE BIMMER PIPE THAT WAS INSTALLED BY THE MAKERS OF THE VEHICLE AND WE THE CUSTOMERS HAS TO PAY TO REPAIR THESE ISSUE THAT OCCUR ON 60% IF NOT MORE OF THESE CARS ...
NHTSA complaint #11088512 — an unverified report by a vehicle owner.
Bowie, MD
UNKNOWN OR OTHER
CONVERTIBLE TOP WARNING CAME ON SAYING IT WAS NOT LOCKED, COULD NOT USE THE WINDOWS OR ANYTHING
NHTSA complaint #11074628 — an unverified report by a vehicle owner.
at 111,000 milesSAN Pablo, CA
SEAT BELTS
WHILE DRIVING, A SYMBOL ON THE DASBOARD DISPLAYED THE FOLLOWING ALERT MESSAGE "FAULT IN PASSENGER-RESTRAINT SYSTEM AFFECTING AIRBAG, BELT TENSIONER OR BELT-FORCE LIMITER." THE VEHICLE WAS STATIONARY DURING THIS OCCURANCE.
NHTSA complaint #10959546 — an unverified report by a vehicle owner.
at 111,000 milesSAN Pablo, CA
AIR BAGS
WHILE DRIVING, A SYMBOL ON THE DASBOARD DISPLAYED THE FOLLOWING ALERT MESSAGE "FAULT IN PASSENGER-RESTRAINT SYSTEM AFFECTING AIRBAG, BELT TENSIONER OR BELT-FORCE LIMITER." THE VEHICLE WAS STATIONARY DURING THIS OCCURANCE.
NHTSA complaint #10959546 — an unverified report by a vehicle owner.
Chicago, IL
VEHICLE SPEED CONTROL
SOME DAY WHEN I COME OUT TO MY CAR IT WANT GO IN DRIVE AND DYNAMIC MALFUNCTION & TRANSMISSION MALFUNCTION POP UP ON THE SCREEN
NHTSA complaint #10914395 — an unverified report by a vehicle owner.
Chicago, IL
STEERING
SOME DAY WHEN I COME OUT TO MY CAR IT WANT GO IN DRIVE AND DYNAMIC MALFUNCTION & TRANSMISSION MALFUNCTION POP UP ON THE SCREEN
NHTSA complaint #10914395 — an unverified report by a vehicle owner.
Chicago, IL
SUSPENSION
SOME DAY WHEN I COME OUT TO MY CAR IT WANT GO IN DRIVE AND DYNAMIC MALFUNCTION & TRANSMISSION MALFUNCTION POP UP ON THE SCREEN
NHTSA complaint #10914395 — an unverified report by a vehicle owner.
at 96,500 milesDillon, CO
SERVICE BRAKES
THE BRAKE VACUUM PUMP SEALS ARE LEAKING. THIS ULTIMATELY WILL AFFECT THE BRAKE ASSIST AND POTENTIALLY RESULT IN FAILURE TO STOP THE VEHICLE WITHIN PRESCRIBED STOPPING DISTANCES CREATING POTENTIAL FOR A CRASH. THIS PROBLEM WAS IDENTIFIED BY THE LOCAL BMW DEALERSHIP IN HIGHLANDS RANCH DENVER. OCT 1 2010 BMW RECALLED 198,000 VEHICLES INCLUDING V8 AND 6 SERIES VEHICLES FOR THIS EXACT SAME PROBLEM BUT MY VIN SHOWS NO RECALL NOTICE HOWEVER IT HAS THE EXACT SAME COMPONENT EXPERIENCING THE EXACT SAME ISSUES AND BMW IS REFUSING TO ACKNOWLEDGE THAT MY VEHICLE SHOULD BE RECALLED AS FOR THIS VIN THERE ARE NO OUTSTANDING NOTIFICATIONS. I REPEAT THE EXACT SAME ISSUE IS BEING EXPERIENCED ON MY VEHICLE AS WAS THE REASON FOR 198,000 VEHICLES RECALLED FROM THE NOTICE OF OCT 1 2010
NHTSA complaint #10873926 — an unverified report by a vehicle owner.
at 76,000 milesIrmo, SCFire
SEATS
MY WIFE WAS DRIVING MY KIDS TO SCHOOL, WHEN SMOKED FILLED THE CABIN OF THE CAR. SHE PANICKED AND CALLED ME AND I TOLD HER TO TURN THE CAR OFF AND GET OUT. MY SON NOTICED THAT HIS MOTHER WAS SMOLDERING. PLEASE SEE THE PICTURES ATTACHED. I CONTACTED BMW AND THEY ARE NOT WILLING TO DO ANYTHING. I LOOK ONLINE AND FOUND THE DOCUMENT ATTACHED AND NOTICED THAT THIS IS A VERY COMMON PROBLEM. HOW MANY TIMES DOES THIS NEED TO HAPPEN BEFORE SOMEONE GET HURTS SERIOUSLY. PLEASE CONSIDER A MANUFACTURER'S RECALL SO THAT THESE OBVIOUSLY DEFECTIVE WARMERS CAN BE CHECKED OR REPLACED.
NHTSA complaint #10845871 — an unverified report by a vehicle owner.
at 102,000 milesAPO, AE
SEAT BELTS
I WAS DRIVING ON THE AUTOBAHN AND MY BMW 645 AND ALL FAULT MESSAGE WERE DISPLAYED. AFTER THAT, THE CAR SPEED ABRUPTLY,THEN JUST CUT OFF!I IT RESTARTED WITH CODES AND ALL THEN SHUT OFF AGAIN. THIS CONTINUED FIVE TIMES UNTIL I REACHED MY DESTINATION. I RESTART THE CAR,AND IT STARTED, BUT THE RADIO AND DOOR SIREN WAS NOT WORKING WITH NO FAULT MESSAGES;NO SERVICE ENGINE LIGHT; AND DROVE FINE FOR A FEW MIN. AND THEN DID THE SAME THING AGAIN!! I TOOK THE CAR TO A BMW REPAIR SHOPPED TO HAVE THE FAULT CODES READ, WHICH END UP BEING A LONG LIST OF CODES.
NHTSA complaint #10808701 — an unverified report by a vehicle owner.
at 102,000 milesAPO, AE
AIR BAGS
I WAS DRIVING ON THE AUTOBAHN AND MY BMW 645 AND ALL FAULT MESSAGE WERE DISPLAYED. AFTER THAT, THE CAR SPEED ABRUPTLY,THEN JUST CUT OFF!I IT RESTARTED WITH CODES AND ALL THEN SHUT OFF AGAIN. THIS CONTINUED FIVE TIMES UNTIL I REACHED MY DESTINATION. I RESTART THE CAR,AND IT STARTED, BUT THE RADIO AND DOOR SIREN WAS NOT WORKING WITH NO FAULT MESSAGES;NO SERVICE ENGINE LIGHT; AND DROVE FINE FOR A FEW MIN. AND THEN DID THE SAME THING AGAIN!! I TOOK THE CAR TO A BMW REPAIR SHOPPED TO HAVE THE FAULT CODES READ, WHICH END UP BEING A LONG LIST OF CODES.
NHTSA complaint #10808701 — an unverified report by a vehicle owner.
at 102,000 milesAPO, AE
ELECTRICAL SYSTEM
I WAS DRIVING ON THE AUTOBAHN AND MY BMW 645 AND ALL FAULT MESSAGE WERE DISPLAYED. AFTER THAT, THE CAR SPEED ABRUPTLY,THEN JUST CUT OFF!I IT RESTARTED WITH CODES AND ALL THEN SHUT OFF AGAIN. THIS CONTINUED FIVE TIMES UNTIL I REACHED MY DESTINATION. I RESTART THE CAR,AND IT STARTED, BUT THE RADIO AND DOOR SIREN WAS NOT WORKING WITH NO FAULT MESSAGES;NO SERVICE ENGINE LIGHT; AND DROVE FINE FOR A FEW MIN. AND THEN DID THE SAME THING AGAIN!! I TOOK THE CAR TO A BMW REPAIR SHOPPED TO HAVE THE FAULT CODES READ, WHICH END UP BEING A LONG LIST OF CODES.
NHTSA complaint #10808701 — an unverified report by a vehicle owner.
at 79,321 milesNewport News, VA
SEAT BELTS
WHILE DRIVING, A SYMBOL ON THE DASBOARD DISPLAYED THE FOLLOWING ALERT MESSAGE "FAULT IN PASSENGER-RESTRAINT SYSTEM AFFECTING AIRBAG, BELT TENSIONER OR BELT-FORCE LIMITER."
NHTSA complaint #10661486 — an unverified report by a vehicle owner.
at 79,321 milesNewport News, VA
AIR BAGS
WHILE DRIVING, A SYMBOL ON THE DASBOARD DISPLAYED THE FOLLOWING ALERT MESSAGE "FAULT IN PASSENGER-RESTRAINT SYSTEM AFFECTING AIRBAG, BELT TENSIONER OR BELT-FORCE LIMITER."
NHTSA complaint #10661486 — an unverified report by a vehicle owner.
Ellicott City, MD
AIR BAGS
THIS VEHICLE WAS ONLY 31,000 MILES ON IT. HAS BEEN GARAGE KEPT SINCE BRINGING HOME 9 YEARS AGO. I WAS JUST INFORMED TODAY THAT THE ENTIRE COMPUTER THAT CONTROLS ALL AIR BAGS IS DEFECTIVE. THIS CAR HARDLY GETS DRIVEN.. HAS NEVER BEEN IN ANY ACCIDENT.. NEVER DRIVEN IN SNOW.. ONLY A HANDFUL OF RAIN STORMS AND THAT WAS BECAUSE I GOT CAUGHT IN ONE. IT IS IN PRISTINE CONDITION!! I JUST CALLED AN INDEPENDENT BMW SUPPLIER WHO HAS HEARD OF THIS ISSUE AND HAS SUPPLIED MANY REPAIR FACILITIES WITH THIS COMPONENT. THE COST OF THE COMPUTER IS $1,200.00.
NHTSA complaint #10640247 — an unverified report by a vehicle owner.
at 98,345 milesPikesville, MD
POWER TRAIN
I WAS DRIVING ON THE HIGHWAY AND MY BMW 645 FAULT MESSAGE DISPLAYED (TRANSMISSION RELATED MALFUNCTION,DRIVE MODERATELY). AFTER THAT,THE SERVICE ENGINE SOON LIGHT CAME ON,ALONG WITH A NEW FAULT MESSAGE THAT DISPLAYED (INCREASED EMISSION). AFTER THAT, THE CAR SPEED ABRUPTLY WENT FROM 60, TO (WHAT FELT LIKE FIRST GEAR),THEN JUST CUT OFF!! THERE WERE CARS AND TRUCKS ALL AROUND ME,DOING THE SPEED LIMIT OF 60 OR HIGHER,JUST MISSING ME,WHILE I'M SITTING STUCK IN THE MIDDLE OF THE HIGHWAY!! I PROCEEDED TO RESTART THE CAR,AND IT STARTED, WITH NO FAULT MESSAGES;NO SERVICE ENGINE LIGHT; AND DROVE FINE FOR A FEW DAYS,AND THEN DID THE SAME THING AGAIN!! I TOOK THE CAR TO A BMW REPAIR SHOPPED TO HAVE THE FAULT CODES READ, WHICH END UP BEING A LONG LIST OF CODES, THAT THE MECHANICS COULD NOT FIND THE REAL CAUSE OF THE ISSUE. SO,I HAD THE SHOP REPLACE MY SPARK PLUGS; IGNITION COIL; AND RESET THE COMPUTER CODES. THE CAR DROVE OKAY FOR ABOUT A MONTH,AND THEN DID THE SAME THING AGAIN!! I DON'T KNOW WHAT TO DO,THIS PROBLEM COULD CAUSE ME TO END UP IN A SERIOUS ACCIDENT,I AM AFRAID TO DRIVE THE CAR!! AS OF 07/06/2014, MY BMW 645 IS OFTEN SHOWING FALSE; LOW OIL MESSAGE; INCREASE EMISSION; TRANSMISSION MALFUNCTION; AND CLEAR AFTER TURNING CAR OFF, AND RESTARTING THE CAR!! I AM SO CONFUSED ABOUT THIS BMW 645!!
NHTSA complaint #10608586 — an unverified report by a vehicle owner.
at 98,345 milesPikesville, MD
STEERING
I WAS DRIVING ON THE HIGHWAY AND MY BMW 645 FAULT MESSAGE DISPLAYED (TRANSMISSION RELATED MALFUNCTION,DRIVE MODERATELY). AFTER THAT,THE SERVICE ENGINE SOON LIGHT CAME ON,ALONG WITH A NEW FAULT MESSAGE THAT DISPLAYED (INCREASED EMISSION). AFTER THAT, THE CAR SPEED ABRUPTLY WENT FROM 60, TO (WHAT FELT LIKE FIRST GEAR),THEN JUST CUT OFF!! THERE WERE CARS AND TRUCKS ALL AROUND ME,DOING THE SPEED LIMIT OF 60 OR HIGHER,JUST MISSING ME,WHILE I'M SITTING STUCK IN THE MIDDLE OF THE HIGHWAY!! I PROCEEDED TO RESTART THE CAR,AND IT STARTED, WITH NO FAULT MESSAGES;NO SERVICE ENGINE LIGHT; AND DROVE FINE FOR A FEW DAYS,AND THEN DID THE SAME THING AGAIN!! I TOOK THE CAR TO A BMW REPAIR SHOPPED TO HAVE THE FAULT CODES READ, WHICH END UP BEING A LONG LIST OF CODES, THAT THE MECHANICS COULD NOT FIND THE REAL CAUSE OF THE ISSUE. SO,I HAD THE SHOP REPLACE MY SPARK PLUGS; IGNITION COIL; AND RESET THE COMPUTER CODES. THE CAR DROVE OKAY FOR ABOUT A MONTH,AND THEN DID THE SAME THING AGAIN!! I DON'T KNOW WHAT TO DO,THIS PROBLEM COULD CAUSE ME TO END UP IN A SERIOUS ACCIDENT,I AM AFRAID TO DRIVE THE CAR!! AS OF 07/06/2014, MY BMW 645 IS OFTEN SHOWING FALSE; LOW OIL MESSAGE; INCREASE EMISSION; TRANSMISSION MALFUNCTION; AND CLEAR AFTER TURNING CAR OFF, AND RESTARTING THE CAR!! I AM SO CONFUSED ABOUT THIS BMW 645!!
NHTSA complaint #10608586 — an unverified report by a vehicle owner.