There are 4 owner-reported engine complaints for the 2006 BMW M5in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
CLEARANCE FAILURE ON S85 ENGINE TO ROD BEARINGS CAUSES OIL STARVATION. THIS IN TURN CAUSES ENGINE CATASTROPHIC FAILURE. IF DRIVING THIS WILL EFFECT POWER BREAKING, POWER STEERING AND ALL COMPONENTS REQUIRING THE ENGINE TO BE RUNNING. THIS IS A VERY COMMON ISSUE, I NOW HAVE SYMPTOMS REQUIRING A CHANGE OF ROD BEARINGS. *TR
MY FAMILY AND I WERE HEADING HOME ON THE FREEWAY AND THE CARS ENGINE LIGHT CAME ON AND THE ENGINE WENT INTO LIMP HOME MODE ALONG WITH A LOUD KNOCKING FROM THE ENGINE. THE NEXT DAY I HAD TO CAR TOWED TO BMW OF HONOLULU. THE DEALERSHIP CONTACTED ME AND TOLD ME THAT I NEEDED A ENGINE WHICH THEY QUOTED ME A PRICE OF $35K FOR A NEW ENGINE. I THEN CALLED GETZINGER MOTORWERKES WHICH IS ANOTHER SHOP THAT WORKS ON BMW'S JUST TO GET A SECOND OPINION. AFTER DIAGNOSING MY CAR THE OWNER OF THE SHOP TOLD ME THAT IT WAS CRANK BEARINGS AND SINCE THEY WENT BAD THE MEDAL SHAVING WENT INTO MY ENGINE AND ALSO CAUSED THE VANOS PUMP TO GO BAD, HE THEN STATED THAT HE WAS JUST READING ABOUT THAT SAME ISSUE THAT HAS BEEN HAPPENING WITH A LOT OF 2006 M5;S DUE TO THE FACT THAT ITS A BAD ENGINE DESIGN AND THAT THOSE PARTS WOULD GO BAD EVERY 60,000 MILES. TO REPLACE THOSE PARTS IT WOULD COST $8,000 IN PARTS ALONE. SO NOW I AM STUCK PAYING FOR A CAR THAT I CAN'T EVEN DRIVE. I NOW LIVE IN ANOTHER STATE AND MY CAR IS STUCK IN HAWAII BECAUSE THE SHIPPING COMPANY WILL NOT SHIP IT IN THE CONDITION THAT ITS IN. *TR
I WAS PULLING OUT OF MY DRIVEWAY WHEN MY CAR HAD A SMELL OF BURNING OIL SO I STOPPED, AS I STOPPED MY CAR BEGAN SMOKING FROM THE HOOD. I LOST OIL ALL DOWN THE STREET AND MY DRIVEWAY, AFTER,I STOPPED MY CAR AND PUSHED IT INTO MY GARAGE AND I SAW WERE IT WAS DRIPPING FROM UNDERNEATH THE CAR SO I TOOK OFF THE UNDER PANEL AND SAW A HOLE IN THE PRESSURE HOSE(VANOS PRESSURE HOSE ASSEMBLY). THERE HAD BEEN A RECALL WHEN THE CAR FIRST CAME OUT ON THE LINES BUT MY CAR WAS A MONTH OUT OF THE RECALL RANGE. MY CAR IS AN 06 WITH JUST AT 40K MILES...THE CAR IS USED BY THE WAY. *TR
AFTER TAKING MY CAR TO THE DEALERSHIP SEVERAL TIME COMPLAINING ABOUT IDLING AND ENGINE KNOCKING. I WAS TOLD IT WAS THE GAS, AND THE CHANGE OF WEATHER CAUSING THE PROBLEM. THEY FINALLY SUPPOSEDLY REPLACED THE PARTS IN THE ENGINE, BUT I STILL HAD THE PROBLEM LATER, AND MY NEIGHBOR NOTICE IT AS WELL. WHILE DRIVING MY CAR STARTED SMOKING AND THE OIL SPILL TO THE HIGHWAY. AFTER HAVING THE CAR EXAMINED, I WAS TOLD THAT THE BEARING ON THE ROD WAS LOOSED AND HAD CAUSED THE ROD TO BREAK AND TORE THE ENGINE APART. I CONTACTED THE COSTUMER RELATION OF BMW HEADQUARTER AND THEY GAVE ME EVERY EXCUSE WHY THEY COULDN'T DO ANYTHING. I WAS ADVISED BY THE SHOP THIS WAS A MANUFACTURER DEFECT AND IT COULD'VE BEEN AVOIDED BY THE DEALERSHIP, ETC. I NEED ADVICE AND I AM CONSIDERING GETTING LEGAL ADVICE. I REFUSE TO PAY $25K FOR ANOTHER ENGINE ON A CAR THAT CAUSED ME $100K AND ENGINE BLOWN SO QUICKLY. BMW KNOWS THAT THIS A PROBLEM AND REFUSED TO CORRECT IT. *KB *TR
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026