RoadVitals

2006 BMW 3 Series Engine Problems

Owner-reported complaints naming the engine system, filed with NHTSA

Data refreshed

Engine reportsComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
15
Latest Jun 30, 2019
Share of all reportsThis category as a share of every owner report on file for this model year. One report can name more than one component, so the categories overlap.
7%
of 202 total
Crash or fire reportedReports in this category whose submitter recorded that a crash or a fire occurred. The reporter's own answer on the NHTSA form, not a verified finding.
0
Injuries or deaths reportedTotals the submitters entered on their own reports in this category. Not verified by NHTSA and not a casualty statistic.
0

What this page shows

Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components. Every record below is an owner-reported complaint about the 2006 BMW 3 Series submitted to NHTSA — not a confirmed defect, not a recall and not a manufacturer bulletin. 15 reports on file name it.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Owner reports naming engine

Shown in the owner’s own words, exactly as filed

EngineFuel system
Filed Jun 30, 2019

COOLANT HOSES RELEASED AND RADIATOR SPLIT OPEN -- APPEARED WHILE DRIVING --- FLUID RELEASED ONTO WINDSHIELD

NHTSA ID
11228499
Incident
Jun 26, 2019
Mileage
132,000 mi
EnginePowertrain (other)
Filed Jan 23, 2018

OIL KEEP LEAKING OUT OF TRAINING. IT WAS FIXED TWICE SO FAR. BACK BRAKE LINE KEEPS BREAKING WHEN YOU DRIVE IN SNOW.

NHTSA ID
11064320
Incident
Jan 21, 2018
Mileage
125,000 mi
Engine
Filed Sep 26, 2017

ENGINE BOLTS - ALUMINUM BOLT HEADS WERE FOUND BY MECHANIC IN ENGINE COMPARTMENT. ALTHOUGH MECHANIC HAS STATED THIS DOES NOT POSE SAFETY RISK, SEEMS NUMEROUS CUSTOMERS WITH A BMW 3 SERIES 2006 HAVE EXPERIENCED THE ALUMINUM BOLT SHEERING OFF ISSUE.

NHTSA ID
11030035
Incident
Nov 9, 2016
Mileage
125,000 mi
AirbagsEngineVisibility
Filed Dec 15, 2016

PASSENGER AIR BAGS AND SEAT BELT WONT WORK AND BMW WONT FIX. ELECTRICAL:RADIO,CLIMATE CONTROL,HEADLIGHTS AND WINDSHIELD WASHER PUMP. WINDOW REGULATORS. AND THE WORST:LEARNING FROM X_EMPLOYEES OF BMW SAY THAT BMW PURPOSEFULLY MISS-TORQUES OIL PAN,VALVE COVER AND OIL FILTER HOUSING SO THE FAIL RIGHT AFTER 50,000 MILE WARRANTY. EVERY E90 HAS THESE PROBLEMS. AND WINDOW REGULATORS ALL EXCEPT DRIVER SIDE. IN MOTION.

NHTSA ID
10935537
Incident
May 4, 2009
Mileage
51,000 mi
Engine
Filed Apr 19, 2015

FRONT TWO VALVE COVER BOLTS SHEERED OFF CAUSING OIL TO LEAK DIRECTLY ON THE EXHAUST. *TR

NHTSA ID
10706520
Incident
Jan 7, 2013
Mileage
110,000 mi
Engine
Filed Dec 28, 2014

I HIT A BUMP IN THE ROAD, COMPLEMENTS OF MOONACHIE, NEW JERSEY ROUTE 120, NEW JERSEY HAS THE WORST ROADS IN THE COUNTRY AND ONE OF THE HIGHEST TAXES TOO. I HAD AN AUTO PARTS PLACE THAT SOLD ME 2-STRUTS-2 SHOCKS, WHICH THE ROADS RIPPED APART ON MY CAR TELL ME, HE'D BE OUT OF BUSINESS IF IT WASN'T FOR NEW JERSEY. AFTER I HIT THE CRATER IN THE ROAD I FELT A LOUD RATTLE BUMPING SOUND WHEN I SLOWED DOWNED AND ACCELERATED, THE ENGINE NEVER REALLY IDLED RIGHT AFTERWARDS. I HAD A FRIEND LOOK AT THE CAR AND HE TOLD ME ALL FOUR BOLTS CONNECTED TO THE MOTOR MOUNTS, ALL OF THE BOLTS SEPARATED AND BROKE OFF IN THE ENGINE, THEY SNAPPED OFF COMPLETELY AND BROKE THE MOTOR MOUNTS AS WELL. I HEAR FROM READING ON THIS SITE THE BOLTS WERE A MANUFACTURES REJECT, FAULTY BOLTS. THAT BEING SAID , I WISH I COULD LITIGATE AGAINST BMW FOR USING THE BOLTS AND THE STATE OF NEW JERSEY FOR NOT PROPERLY CARING FOR THE ROADS AND LEAVING HAZARDOUS CONDITIONS ON THE ROADS WHICH I MIGHT ADD BE FATAL FOR SOME UNFORTUNATE PERSON. VISIT HOBOKEN , NEW JERSEY AND CHECK OUT THEIR MAIN STREET, WASHINGTON, THE ROADS IN NEWARK, NEW JERSEY ARE MUCH BETTER THAN THERE.COULD NEW JERSEY'S POLITICIANS BE STEALING THIS MONEY SET ASIDE FOR ROAD REPAIR? NAH, OF COURSE NOT, IN NEW JERSEY? *TR

NHTSA ID
10668605
Incident
Dec 20, 2014
Engine
Filed Feb 22, 2014

WHEN STARTING FROM IDLE TO RUNNING STATE AT A STOP LIGHT THE WHOLE CAR STARTED SHAKING. TOOK THE SHOP AND THEY SAY IT A FAULTY COIL/SPARK PLUG. COSTS ME $600-$1000. LOOKS LIKE THIS IS A COMMON PROBLEM IN BMW 325I 2006. THEY SHOULD FIX THIS. *TR

NHTSA ID
10565400
Incident
Feb 20, 2014
Mileage
90,000 mi
ElectricalEngine
Filed Feb 22, 2014

WHITE SMOKE COMING THOUGH AC DUCTS. WHEN TAKEN TO SHOP THEY SAID IT WAS COOLANT LEAK IN HEATER CORE. REPLACEMENT WOULD COST ME $3000-$4000. *TR

NHTSA ID
10565399
Incident
Sep 23, 2013
Mileage
83,000 mi
Engine
Filed Nov 22, 2013

BROKEN CYLINDER HEAD BOLTS AT THE FRONT TIMING COVER. SYMPTOM WAS OIL LEAK AT TIMING COVER. UPON INSPECTION, THE HEADS OF 4 BOLTS HAD SHEARED OFF AND 3 BOLT HEADS HAD DROPPED THROUGH THE TIMING CHAIN HOUSING AND ENDED UP IN THE OIL PAN. *TR FIRST, HEAD BOLTS SHOULD NOT FAIL. SECOND, THE SHEARED BOLT HEADS PASS THROUGH THE TIMING CHAIN HOUSING AND COULD INTERFERE WITH THE TIMING CHAIN AND CAUSE IMMEDIATE ENGINE FAILURE.

NHTSA ID
10553365
Incident
Aug 22, 2013
Mileage
47,032 mi
Engine
Filed Nov 4, 2013

MY CAR STARTED HAVING A MASSIVE OIL LEAK AT AROUND 79,000 MILES. THE MOTOR SEALS STARTED TO FAIL ONCE THE CAR HAD ABOUT 70,000 MILES ON IT. THE GENERAL CONSENSUS IS THAT THE MOTOR SEALS ARE VERY COMMON TO PREMATURELY FAIL. THE BOLTS THAT HOLD THE MOTOR TOGETHER STARTED TO BREAK AT AROUND 80,000 MILES. *TR

NHTSA ID
10550771
Incident
Sep 20, 2012
Mileage
79,000 mi
Driver assistanceEnginePowertrain (other)
Filed Sep 15, 2013

I WAS DRIVING MY VEHICLE ON THE HIGHWAY IN THE LEFT LANE, TRYING TO PASS A CAR IN THE MIDDLE LANE. AFTER GETTING IN FRONT OF THE CAR IN THE MIDDLE LANE, I TRIED TO ACCELERATE SO I COULD RE-ENTER THE MIDDLE LANE, BUT THE CAR ACTED AS IF IT SLIPPED INTO NEUTRAL AND WOULD NOT ACCELERATE. THE ENGINE GROWLED AS IF IT WERE IN NEUTRAL. IT KEPT DRIVING, BUT WOULD NOT ACCELERATE, DESPITE ME STEPPING HARDER ON THE GAS. THIS WAS POTENTIALLY DANGEROUS AS THERE WAS A CAR IMMEDIATELY BEHIND ME, WHICH COULD HAVE REAR ENDED ME AT OVER 60MPH, AND THE CAR IN THE MIDDLE LANE THAT I WAS TRYING TO PASS COULD HAVE ALSO HIT ME ON THE PASSENGER SIDE OF MY CAR. IN RESEARCHING THIS, MANY BMW OWNERS HAVE BEEN COMPLAINING ABOUT THIS, AND YET BMW HAS NOT ISSUED AN INVESTIGATION OR RECALL: HTTP://WWW.CONSUMERAFFAIRS.COM/AUTOMOTIVE/BMW_TRANS.HTML THERE ARE 650 COMPLAINTS REGARDING THIS PROBLEM AT THE ABOVE LINK. PEOPLE SHOULD NOT BE HAVING TRANSMISSION PROBLEMS LIKE THIS UNDER 75K MILES. *TR

NHTSA ID
10543753
Incident
Aug 11, 2013
Mileage
54,000 mi
Engine
Filed Apr 19, 2013

I HAVE A 2006 325I SEDAN WITH 55,856 MILES ON IT. I TOOK IT IN FOR A ROUTINE SERVICE ON 4-18-2013. IT HAS BEEN MAINTAINED BY ONLY BMW DEALERSHIPS IN ITS LIFETIME WITH ALL REQUIRED MAINTENANCE DONE ON SCHEDULE. THEY CALLED TO NOTIFY ME THAT UPON INSPECTION THEY HAD FOUND THE HEAD BOLT BROKEN BEHIND THE OIL FILTER HOUSING, THE OIL FILTER HOUSING GASKET LEAKING AND THE DRIVE BELT TENSIONER LEAKING. I HAD NOT BEEN EXPERIENCING ANY OUTWARD S+S OF THIS PROBLEM. THEY QUOTED ME $3400 TO REPAIR THIS. I WAS SHOCKED THAT A CAR IN SUCH GREAT CONDITION WOULD HAVE SUCH A PROBLEM AT THIS MILEAGE. I ASKED WHY THIS WOULD HAPPEN AND ESSENTIALLY WAS TOLD IT IS UNUSUAL BUT DOES HAPPEN. THEY ADVISED A REPAIR IN THE FUTURE. I WENT HOME AND RESEARCHED THIS AND FOUND IT HAS BEEN A COMMON PROBLEM IN THIS MODEL AND THAT SUBSEQUENTLY BMW HAS CHANGED THE TYPE OF BOLT THEY USE. SO I THOUGHT I WOULD CALL THE CUSTOMER SERVICE LINE TO FOLLOW UP ON ANY ASSISTANCE FROM BMW. LONG STORY SHORT THEY TOOK THE COMPLAINT BUT BECAUSE I HAVE A LOW MILEAGE VEHICLE THAT HAS BEEN OUTSIDE OF WARRANTY FOR 3+ YEARS THEY WOULD OFFER NO HELP. YOU KNOW SHAME ON BMW THIS IS MY 4TH BMW AND VERY LIKELY MY LAST DUE TO THIS. THIS SHOULD BE A RECALL, THIS SHOULD NOT BE HAPPENING NO MATTER HOW LONG IT TOOK TO GET TO THE 50,000 MILE + RANGE WHERE THIS PROBLEM SHOWS ITSELF. *TR

NHTSA ID
10508871
Incident
Apr 18, 2013
Mileage
55,856 mi
Engine
Filed Jul 12, 2012

INDEPENDENT REPAIR SHOP NOTED ALUMINUM HEAD BOLTS BROKEN WHICH COULD CAUSE EXTENSIVE DAMAGE TO ENGINE. BROKEN BOLTS CAUSED OIL LEAK AND HEADS OF BOLTS COULD HAVE GONE INTO THE TIMING BELT DESTROYING THE ENGINE. INDEPENDENT REPAIR SHOP DIRECTED US TO THE DEALERSHIP STATING THEY HAD NOTED THIS ISSUES ON ALMOST ALL OF THIS YEAR AND MODEL. REPAIR COST WAS VERY EXPENSIVE. *TR

NHTSA ID
10465462
Incident
Jun 15, 2012
Mileage
104,526 mi
Engine
Filed Aug 10, 2011

MY BMW 300 SERIES WAGON (2006) HAD A BRAKE AND EMERGENCY WARNING LIGHT TURN ON. THERE WAS ALSO A SMELL OF BURNING OIL. MY MECHANIC IDENTIFIED THE PROBLEM AS BROKEN ALUMINUM BOLTS ON THE CYLINDER. HE SAID HE PERSONALLY SEES THIS ALL THE TIME ON 2006 MODELS, THAT BMW IS AWARE, AND THAT THEY REDESIGNED THE PART FOR LATER YEARS. LIKEWISE, MY BMW DEALER IS AWARE OF IT AND A SIMPLE GOOGLE SEARCH FINDS AT LEAST 1000 COMPLAINTS POSTED AT VARIOUS SITES ON THE WEB. ALUMINUM DOES NOT HOLD UP IN THIS SETTING AND THESE BOLTS COST MORE THAN$1200 TO REPAIR. I AM TOLD BY MY MECHANIC THAT IT USUALLY HAPPENS AFTER 60K MILES WHICH MEANS MOST ARE OFF WARRANTY. BMW IS AWARE AND SHOULD EITHER DO A COURTESY REPAIR OR BE FORCED TO DO THE RIGHT THING BY NHTSA. *TR

NHTSA ID
10418414
Incident
Aug 1, 2011
Mileage
110,000 mi
Engine
Filed Mar 1, 2010

TL*THE CONTACT OWNS A 2006 BMW 330XI. WHILE DRIVING 24 MPH THERE WAS A CLANKING NOISE AND THE ALUMINUM BOLT THAT WAS HOLDING THE CYLINDER HEAD IN PLACE BROKE. THE FAILURE CAUSED THE CYLINDER HEAD TO CRACK THE CYLINDER HEAD AND CAUSED A MASSIVE OIL LEAK INTO THE ENGINE. THE VEHICLE WAS TAKEN TO THE DEALER. THEY REPLACED THE ALUMINUM BOLT. THE DEALER REPLACED ONE DEFECTIVE PART WITH ANOTHER. THE FAILURE MILEAGE 25,774. THE CONSUMER STATED THE REPAIRS WERE ALMOST $4,000 AND IT TOOK MORE THAN A WEEK TO COMPLETE THE REPAIRS. UPDATED 03/12/10 UPDATED 03/30/10 *BF UPDATED 07/26/10.*JB

NHTSA ID
10315065
Incident
Jan 7, 2010
Mileage
25,774 mi

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.

Other components reported on this vehicle

Categories with enough reports to have a page of their own

Elsewhere on this vehicle

Data sources

Data on this page last refreshed .