2009 BMW 3-Series BMW 3-Series 2009

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2009 BMW 3-Series repairs by problem area

Engine (38%)

Transmission and Drivetrain (5%)

Brakes and Traction Control (3%)

Suspension and Steering (9%)

Electrical and Air Conditioning (32%)

Paint, Rust, Leaks, Rattles, and Trim (9%)

Other (4%)

Chart based on 551 repairs.
See TSBs and recalls for the 2009 BMW 3-Series.

2009 BMW 3-Series engine repair cost distribution

$2500+ (8%)

$1000 - $2499 (16%)

$500 - $999 (15%)

$100 - $499 (19%)

< $100 (42%)

Worried about potential repair costs? An extended warranty can provide peace of mind.

Chart based on 163 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2009 BMW 3-Series 4dr Wagon

turbocharged 174hp 2.0L I4 Diesel 6-speed manual AWD

62000 mi

£450
Engine light appeared, ERG Valve needed replacing. 

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2009 BMW 3-Series 4dr Wagon

230-horsepower 3.0L I6 6-speed shiftable automatic RWD

63000 mi low coolant level indicator. System needed a coolant flush and fresh coolant. 
82000 mi

US $700
Valve cover gasket replacement 
83000 mi

US $246
replaced accessory belt and tensioner, torx screw. The screw had started to slightly bend and show signs of failure. 

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2009 BMW 3-Series 4dr Wagon

230-horsepower 3.0L I6 6-speed shiftable automatic AWD

28000 mi The problem was very noisy valve lifters. Replace all valve lifters. It appears to be common problem with this engine and all replaced under warranty 
36000 mi Replaced pump related to vapor emission system 
139000 mi

US $400
Replace exhaust gasket. Replace three oxygen sensors. 
123000 mi

US $1000
Replaced valve cover gasket - leaking 
125000 mi

US $500
Replaced starter motor and crankshaft position sensor. 

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2009 BMW 3-Series 4dr Sedan

turbocharged 300hp 3.0L I6 6-speed shiftable automatic RWD

25000 mi "Engine Malfunction. Reduced power" Turns out to be something in the injection system mechanically stuck. 
14000 mi

US $900
Took car in for half engine light, and radiator fan running full blast. Half engine light caused by failed HIGH PRESSURE FUEL PUMP. This was an HPFP that was replaced during the recall too! Took car in for half engine light and radiator fan running full blast. The full blast radiator fan was caused by a failed WATER PUMP. 
22000 mi

US $480
Another failed High pressur fuel pump. That makes the fifth one for this car. They also replaced the fuel pressure regulator. HPFP was under warranty, but not fuel pressure regulator. 
10000 mi Replaced HPFP 
5000 mi Long cranks (>5 seconds) in cold morning. 
6000 mi High Pressure Fuel Pump (HPFP) was defective and replaced. 
18000 mi Engine idle speed was too low causing droning sound when turning steering wheel at low speed. Corrected by raising the idle speed. 
40500 mi Rough idle in the morning, but runs fine after engine fully warms up. Replace low pressure fuel sensor and the problem persists. Replace three fuel injectors and the problem goes away. 
39700 mi Replaced both turbochargers due to sticky waste gate. 
37000 mi The engine began misfiring and shaking. It was towed to BMW. Cylinder 2 failed and excessive fuel was found on some spark plugs. The replace the injectors in bank 1, the plastic valve cover, vacuum tank and all the spark plugs. 
123000 mi

US $3000
6 Fuel injector had to be replaced. 6 spark plug updated. new sw upgrade to match fuel injector. oil change. 
77000 mi

US $700
Damaged water pump 
115000 mi

US $1800
Valve cover gasket replaced due to leak at rear. 
9000 mi HPFP Failure - Engine went into Limp Mode 
72000 mi

US $450
Oil Housing gasket leak. Have to replace it. 
75000 mi

US $1000
Water pump failed while driving. Had to tow to shop. Replaced water pump and thermostat. 
80000 mi Turbo whining/cracking sound detected while changing oil at dealer. The whole turbo system was replaced by dealer under BMW extended warrantty for turbo in 335i N54 engine per class-action suit. 
46300 mi The car stopped in the middle of the freeway and had to coast to pull over. Fault said engine overheated.Diagnosed as cooling pump malfunction. Replaced under warranty. 
66000 mi

US $50
A leak had developed around the oil filter housing gasket and required replacement. Since it was covered by my CPO warranty, the repair was $50 rather than $350 
31500 mi Spark plugs 
43500 mi half engine light 

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2009 BMW 3-Series 4dr Sedan

turbocharged 300hp 3.0L I6 6-speed shiftable automatic AWD

46500 mi

C $1680
Car Stalled-half engine light. Codes said fuel pumps. Replaced low pressure fuel pump and low pressure sensor. High Pressure fuel pump replaced last May. 
54420 mi

C $250
Computer update required to correct fuel delivery problem 
66000 mi

US $150
Both turbochargers were replaced under extended warranty. 
75000 mi

US $100
Replaced spark plugs 
87100 mi

US $300
Water pump failed 
91200 mi

US $600
Replaced cracked valve cover. 
93000 mi

US $120
Replaced leaking fuel injector 
58900 mi

C $1500
The cooling fan was running continuously and I had no heat. Water pump failed at 95000km. also replaced thermostat at same time. 
60760 mi Car running rough, engine warning light flashing on and off. On restart, still rough but light off. Fault localized to spark plugs which were changed. Car smooth and running fine (so far). 
62100 mi

C $250
Engine light on. Diagnosed as faulty high pressure fuel pump. Fuel pump replaced in June. Car still running rough at startup and then engine warning light came on. Took back to non dealer specialist shop. Diagnosed as ignition coil malfunction. Repaired for about $250 on top of almost 2k for fuel pump 
62620 mi

C $975
Engine warning light again. This time low pressure fuel pump changed after replacing high pressure fuel pump in July 16 and water pump in February 2016 m 
62620 mi

C $500
Engine warning light came on with car running rough in safe mode. Diagnosed software issue where components not communicating. Reloaded software cleared error codes Running rough again. Persisted despite software update in same repair visit. Did injector flush. Much improved. 
22000 mi Reduced Power engine light came on. Dealer showed Vanos fault. Cleared code and said it was an anomaly. Problem recurred, need to schedule trip to dealer. 
22000 mi VANOS faults- both solenoids replaced. 
58280 mi

C $400
New gasket replaced, no more leaks. Parts cost $25 only, but it takes about 3- 4 hours to finish the job. 
589000 mi

C $1000
Water pump died at 95,000km, had the car towed to mechanics. replaced the water pump and thermostat. Parts weren't expensive but the labour cost is. Longer replacement time is required for xdrive BMWs. 
60760 mi

C $1000
Water pump died at 95,000km, had the car towed to mechanics. replaced the water pump and thermostat. Parts weren't expensive but the labour cost is. longer time required for xdrive BMWs. 
66960 mi

C $850
Water pump died again because of leaking oil filter housing, it was replaced under warranty. Timing belt changed. Sign of Valve cover gasket leaking. 
3100 mi Car has 1500 km, on highway trip, car starts to run rough, loses power, engine light goes on. Phone roadside assistance, told to shut off and wait for tow truck. Loose connection in the electronic ignition system.  
13000 mi HIgh pressure fuel pump failed. 3 days in shop 
20000 mi Check engine light. Some software upgrade fixed the issue. Under warranty. 2 days in the shop. 
23000 mi High pressure pump failed again 
26000 mi VANOS (exhaust camshaft) bearing failed. Entered limp mode. Spent 7 days in shop. Threw another CEL on the way home. Spent 3 additional days in the shop, but they couldn't identify the problem. 
31000 mi VANOS exhaust solenoid. After the initial repair, the CEL came back on the way back from BMW of Fairfax, within eyesight of the driveway. Turned around and brought it back.  Previous fix lasted two weeks, then it died on the highway. VANOS bearing ledge - exhaust. Running fine since. 
28500 mi Another VANOS error and check engine light 

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2009 BMW 3-Series 4dr Sedan

turbocharged 300hp 3.0L I6 6-speed manual RWD

70000 mi

US $2000
Serpentine belt broke and went through the front main oil seal. Pan had to be dropped and many small pieces of belt removed. They said we had an oil leak on the oil filter cooling block which contributed to the failure. They also stated that all BMW's leak from the oil filter cooling block because the material for the seal hardens over time then leaks. They say it's a known problem that BMW doesn't change so all BMW's at 50000 - 70000 will leak and must be repaired. 
75000 mi

US $1500
Running rough at idle. Replace fuel injectors on all six cylinders. Mechanics says coil packs are next about 100k miles. 
52000 mi Fuel injector 
8000 mi electronic control module ordered after initial ordered part failed to fix system. 
83000 mi Valve cover gasket and oil filter housing gasket leaking. Replaced valve cover gasket and oil filter housing gasket 
94000 mi

US $1500
Water pump failure. Replaced water pump and thermostat 
110700 mi

US $3400
Car was misfiring and running rich at cold start. Multiple fuel injectors malfunctioning. All 6 fuel injectors replaced and programmed. 
88700 mi

US $196
Plastic molded engine intake charge pipe cracked at pipe seam. Common failure mode for engines with higher mileage and/or increased boost pressure. This particular failure caused by age. Replaced with Cobb aftermarket aluminum charge pipe. 
105000 mi

US $700
Intake valve cleaning with walnut abrasives. Serpentine drive beltrnBelt idler and tensioner pulleys. Coolant flush. Performance turbo down pipes. 
89900 mi

C $1900
water pump failure 
4935 mi Complete loss of engine power. High pressure fuel pump replaced per SIB 12 55 06 
64000 mi

US $504
low pressure fuel sensor replaced due to error message 'engine malfunction reduced power' 
80000 mi

US $2600
oil leaks at filter housing and oil pan 
75000 mi

US $350
Car lost power on highway due to one cylinder head being blocked from carbon buildup in intake. Intake cleaned and walnut blasted to remove buildup. 
77000 mi

US $375
One Cylinder blocked, needed intake cleaning with walnut blasting 
79000 mi

US $475
Serpentine belt broke. Replaced belt and tensioner. Oil changed. Car leaked oil the next day and had to return to shop. 
79000 mi

US $1750
Broken serpentine belt wrapped around engine components and caused failure of crank seal and oil pan gasket seal causing major oil leaks. Oil change redone and battery also replaced. 

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2009 BMW 3-Series 4dr Sedan

turbocharged 300hp 3.0L I6 6-speed manual AWD

5000 mi Car overheated. Dealer replaced water pump under warranty ($0 cost). 
87000 mi

US $1100
Difficult to diagnose (off and on) coolant leak. Would not leak under pressure test. 

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2009 BMW 3-Series 4dr Sedan

turbocharged 265hp 3.0L I6 Diesel 6-speed shiftable automatic RWD

118300 mi Aluminum tube from turbo to lower charge pipe leaking. O-rings replaced on pipe. Parts under warranty; part of head gasket set installed 12-22-11 @ 70856 miles during EGR SCR warranty service. 
123000 mi CEL and DEF warning lights on. Service bulletin for SCR system update--new parts and programming--resulted in warning lights as a result of DEF build-up. Service tech may have made error during TSB update procedure. Parts cleaned, fine since. 
139200 mi

US $2700
Pulled intake manifold for carbon check. About 70k since previous engine rebuild because of carbon. While build up not as bad as before decided to have walnut shell cleaning done on intake manifold, etc. Should be good for another 70K miles 
79700 mi

US $3000
Both drive belts replaced, active tank unclogged, etc. 
32200 mi Check Engine light on for bad glow plug. Code was cleared with no problems and light stayed off. 
33000 mi Check Engine light on again. Sold car. 
22000 mi Exhaust system replacement 
45300 mi

US $2500
Carbon build up required cleaning. Replacement of defective glow plug. 
18000 mi The vehicle was in the repair shop for a Service Engine Soon light for over 30 days during one visit and maybe 3 more times prior to me ending the lease. The problem was not resolved which was why I ended the lease. 
60500 mi

US $650
temperature sensor on DEF tank recall, dealer replaced tank free of charge;  
99000 mi

US $4150
Oil leak, seals, oil change 

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2009 BMW 3-Series 4dr Sedan

turbocharged 241hp 3.0L I6 Diesel 6-speed shiftable automatic AWD

74400 mi

$500
There was an oil leak that was found to come from between the oil filter mount and the engine block. The gasket was replaced and leak fixed. Mechanic had never seen this before......... 

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2009 BMW 3-Series 4dr Sedan

414-horsepower 4.0L V8 7-speed automated manual RWD

16000 mi DCT software updated to remove throttle lag, problem solved. 
37000 mi

US $100
Fuel pressure sensor died, code P0191 
49000 mi

US $250
Rough start and trouble normalizing idle when cold engine and cold external temperature. Replaced Idle Control Device based on forum advice. Did not fix or improve issue. 
51000 mi

US $130
Same rough start when bold as before. Replaced fuel pressure sensor. Fixed issue, car now starts normally. 
58000 mi

US $1300
Car would throw emissions codes on start and operate at reduced power. The codes thrown led to a diagnosis of worn out throttle control valves from forums. Throttle control valves were replaced and fixed the issue. 
40000 mi

US $175
Oxygen sensor replaced. Apparently damaged with prior installation 

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2009 BMW 3-Series 4dr Sedan

414-horsepower 4.0L V8 6-speed manual RWD

54000 mi

US $50
left bank throttle actuator 
10000 mi Replaced Stability Control sensors and computers 
36000 mi Failed idle valve. Appears to be a known problem with E9X M3. Dealer replaced $500 worth of parts. 
53000 mi Secondary air pump failure. Took the dealer two attempts to diagnoze. 
57000 mi

US $1100
Engine coller thermostat failure Oxygen sensor failure 
57000 mi A different oxygen sensor failure 
12500 mi Idle control valve. Defective 
48980 mi

$400
Check engine came on, misfire on one cylinder. All 8 spark plugs were replaced. 

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2009 BMW 3-Series 4dr Sedan

230-horsepower 3.0L I6 6-speed shiftable automatic RWD

10000 mi The DMTL Pump failed and was replaced. DTML pump in gas tank replaced due to Service Engine Soon light coming on. 
39600 mi

US $40
The drive belt and tensioner were replaced. 
69500 mi Belt tensioner pulley needed to be replaced. 
37000 mi Faulty mass airflow sensor, replaced under warranty 
36800 mi carbon buildup in intake due to low quality diesel fuel. manifold replaced, cyl. heads were walnut blasted to remove buildup. 
41300 mi crack in adblue/urea exhaust fluid tank. tank was replaced, lines cleaned and fluid refiled. 
21000 mi CEL Replace O2 Sesor pre-heater 
53000 mi

US $400
Replace ignition coil. 
58000 mi

US $3000
Timing belt tensioner bent, replaced along with belt. Oil filter housing leaking, replaced. Cam cover gasket leaking, replaced both gasket & housing. 
30000 mi serpentine belt tensioner loose; tightened 
56000 mi

US $4000
Eccentric shaft sensor leaking oil. Replaced it and valve cover gasket. Also replaced spark plugs. 
61000 mi

US $3200
Replace oil stand gasket. 
83700 mi

$450
Oil leaking. Replaced all three valve cover and intake gaskets 
94860 mi

$1000
Preventive VANOS plastics replacement, leaking gasket for oil filter stand. Also, a coolant bypass hose and clip was replaced, preventative. 
171000 mi

US $580
Valve cover 
48281 mi

US $992
Oil level low light came on. Removed oil filter, oil filter housing, o-ring gasket. Installed new o-ring gasket, reinstalled the oil filter housing. 
68246 mi

US $581
Took the car in for routine service. Replaced micro filter, 2 quarts of oil added, left brake light bulb replaced. While servicing, discovered the valve cover gasket was leaking oil Removing and installed sealing cylinder head cover. Replaced all valve cover gaskets (SULEV emissions warranty). Replaced drive belt tensioner. 
87000 mi

US $379
Car spewing coolant from the hood. Car towed to repair shop. Hose found to be rotted and cracked. Removed and replaced upper hose and bypass hose. 

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2009 BMW 3-Series 4dr Sedan

230-horsepower 3.0L I6 6-speed shiftable automatic AWD

62700 mi

C $50
Coil pack failure 
69440 mi

C $330
Cooling fan running at extremely high speed and very loud. Intermittent problem. Diagnosis showed faulty temp. sensor. Replaced sensor. 
54000 mi Car was making whistling sound that was intermittent and could not be diagnosed. Think it may be an issue with the crank valve. Will update when I know more. 
55300 mi

US $1000
Crankcase valve needs replacing. 
57000 mi

US $950
Crankcase vent valve problem, also required new valve cover. 
57000 mi Diagnosed with rear main seal leak. This is a major repair cost, and so I just traded the vehicle for a Prius. 
120900 mi

US $200
Oil filter gasket replaced 
130000 mi

US $300
Belt tensioner replaced 
33700 mi

US $600
All of the tensioner pulleys and the belt were replaced. The reason for it was that there is a known issue with these motors. If the pulleys deflect enough to let the belt slip off, they can suck the belt in and destroy the motor. 
150000 mi

US $45
Bad ignition coil replaced 
164000 mi

US $20
Faulty ignition coil 

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2009 BMW 3-Series 4dr Sedan

230-horsepower 3.0L I6 6-speed manual RWD

31700 mi Car was idling roughly and giving poor mileage. Dealer tested and found faulty MAF, replaced the unit, and problem was resolved.  
101000 mi

US $1400
There was an oil leak around the oil filter housing. 
89000 mi

US $70
Cylinder two ignition coil failed. Self maintained the vehicle. 70 dollar cost for coil and shipping. 
85500 mi Kept on hearing rattling noise from the belt area. The issue was diagnosed as a pulley and a harmonic balancer. Both got replaced under warranty. 
143000 mi

US $1300
The oil filter housing was leaking. And, it started to damage the accessory belt. We also got other services such as replacing the break fluid, oil change, and coolant replacement. 
147000 mi

US $1100
Oil pan was leaking. This work was very intensive where the tech had to drop the sub-frame to replace the pan gasket. 
84700 mi

US $1300
Oxygen sensor Drive belt tensioner 

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2009 BMW 3-Series 4dr Sedan

230-horsepower 3.0L I6 6-speed manual AWD

137000 mi

US $90
Had intermittent misfires on #1 and #2 cylinders. Replaced all six spark plugs and #1 and #2 coils. Runs great now. 
129000 mi

US $2500
Oil leak, accessory belt 
22000 mi Car failed to accelerate during emergency manuever avoiding an accident ahead. Transmission light came on and car was sluggish to respond afterwards. Was able to avoid accident anyway. 

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2009 BMW 3-Series 4-door

turbocharged 4-cylinder diesel manual 2WD

71920 mi

$1200
N47D20 timing chain preventative repair Started making a lot of noise in the last few months and the engine was vibrating more than ever at 1,500-2,000 rpm 

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2009 BMW 3-Series 2dr Hardtop conv.

turbocharged 300hp 3.0L I6 6-speed shiftable automatic RWD

6000 mi Engine malfunction light activated at freeway speed, followed by engine unable to rev greater than 2000 rpm. Car fairly crippled. Enroute dealer service for 5 hrs. Problem believed to be cyl. coil loose, however not conclusive. No further problems  
Oil light came on once. 
4000 mi "Service Engine Soon" light with rough starts. Replaced sensor, then High Pressure Fuel Pump (HPFP) 
7200 mi Fuel/Emissions Update 
39200 mi Engine stalls under heavy accelleration 
19680 mi Sudden onset of rough running and stalling engine. Three injectors (#4,5,6) prematurely failed and ports and valves were dirty. Replaced all 6 fuel injectors. Ports and intake valves cleaned. Apparently a common issue on N54 BMW engines. 

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2009 BMW 3-Series 2dr Hardtop conv.

turbocharged 300hp 3.0L I6 6-speed manual RWD

38700 mi Misfire code hidden in computer & rough idle on cold start. Dealer diagnosed & replaced 2 faulty injectors. 
58000 mi

US $250
Leaking oil from valve cover, oil filter housing, and oil pan gaskets Bad engine mounts. Passenger mount collapsed, driver's side bad. 
59000 mi Leaky injectors. Two injectors bad causing two fouled plugs. Dealer replaced all injectors, plugs. 
74000 mi Wastegate Rattle. BMW Dealer replaced turbos at no charge 
83000 mi

US $450
Waterpump failure. Had to pay out of pocket to replace thermostat (not covered by 3rd party warranty) as preventative maintenance. 
86000 mi

US $400
Rear main seal leak Radiator overflow hose and upper hose replaced 
96000 mi

US $800
Oil Pan gasket leak 
100500 mi

US $500
Engine coolant reservoir measuring stick broke. Replaced coolant reservoir 

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2009 BMW 3-Series 2dr Hardtop conv.

414-horsepower 4.0L V8 7-speed automated manual RWD

55000 mi

US $600
Engine threw fuel pump failure warning. Replaced all fuel pressure sensors 
68000 mi

US $1500
Computer threw engine system alert. Dealer identified failed engine temperature sensor and replaced part. 

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2009 BMW 3-Series 2dr Hardtop conv.

230-horsepower 3.0L I6 6-speed shiftable automatic RWD

67500 mi

US $575
Replace leaking valve cover gasket. 
35000 mi Oil leak 

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2009 BMW 3-Series 2dr Hardtop conv.

230-horsepower 3.0L I6 6-speed manual RWD

8300 mi Fuel tank valve, CEL 

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2009 BMW 3-Series 2dr Coupe

turbocharged 300hp 3.0L I6 6-speed shiftable automatic RWD

62000 mi

US $250
Defective boost solenoids and vacuum lines prevented car from making boost. Replaced both boost solenoids and all vacuum lines. 
62000 mi

US $1000
All six high-pressure fuel injectors were replaced with new index 12 parts to ensure future reliability. Intake valves were walnut-blasted to remove carbon build-up as general maintenance. 
50000 mi Fuel injectors replaced 
37700 mi Rough start & idle. Puff of smoke at start. 
63000 mi

US $600
Failure of Fuel Injectors 4,5,6. Replaced with new, purchased from dealer. Symptoms were hard start, poor idle, stutter on hard acceleration, unburnt fuel on hard acceleration. 
1000 mi Faulty injector on cylinder 1 
3000 mi Engine misfire on cylinder 1 
10000 mi Removed carbon buildup on the valves caused by (BMW claims) either oil flowing back from the turbo or excessive ethanol content in the fuel. Flashed ECU to increase engine running temperature. Removed carbon buildup on the valves caused by (BMW claims) either oil flowing back from the turbo or excessive ethanol content in the fuel. Flashed ECU to increase engine running temperature. 
30300 mi High pressure fuel pump replacement 

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2009 BMW 3-Series 2dr Coupe

turbocharged 300hp 3.0L I6 6-speed shiftable automatic AWD

6000 mi Misfires caused MIL to illuminate, Service Bulletin stated to change fuel injectors to a redesigned part. 
549 mi Low pressure fuel line disconnected. Line was reconnected by dealer under warranty 
100000 mi

US $495
Intake valves clogged with carbon buildup (known issue for N54 engine), cleaned with walnut shell abrasive blasting (BMW approved procedure) 

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2009 BMW 3-Series 2dr Coupe

turbocharged 300hp 3.0L I6 6-speed manual RWD

39300 mi

US $1000
Water pump failed, car went into limp mode due to overheating. 
1700 mi High pressure fuel pump. Long cranks followed by service engine light. 
11000 mi High pressure fuel pump, second time. 
40000 mi Rough idle and acceleration. Dealer replaced 3 high-pressure injectors. Covered by factory warranty. 
77600 mi

US $190
Engine idled rough and raw fuel was coming out of the exhaust. Replaced one faulty fuel injector. 
93000 mi Replaced all 6 fuel injectors again. Supposedly another redesign since the last ones (~1 yr ago) 
16000 mi replace and reprogramming for high-pressure fuel pump 
86000 mi

US $2000
Water pump failed Leaking oil filter housing gaskets 
4000 mi Drove about 120 miles and car overheated. Warning light came on although OIL temp only at 250. Car went into limp mode then stopped. Waited 10 mins & restarted car. Brought to dealer, possible water pump failure. Replaced pump (although remanuf. pump) 

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2009 BMW 3-Series 2dr Coupe

turbocharged 300hp 3.0L I6 6-speed manual AWD

70000 mi Oil leak from Turbo #1, $3400 quote for repair or 6

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2009 BMW 3-Series 2dr Coupe

414-horsepower 4.0L V8 7-speed automated manual RWD

5000 mi DCT shift lag--fixed via software update 
6000 mi DCT TSB software update. Low mileage oil change - have to go back as the dealer did not change oil! 
11000 mi Went in for yrly service and there was a TSB out for a reflash. 
16000 mi Hard to start (8 second eng crank) & RPM flux for about 30 seconds after start. 
25000 mi Engine sputtered with high rev down shift. Replaced spark plugs & this appears to have made the issue better. 
10000 mi DCT update for M3 DCT transmission 
28200 mi

US $600
Low pressure fuel sensor 
31000 mi

US $600
Fuel regulator 
23000 mi DCT LAG ISSUE. When under hard acceleration, the car would not engage the gear for up to 3 seconds. DCT LAG ISSUE 2. When turning into a corner, and letting off, when you press the gas, nothing happens. 

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2009 BMW 3-Series 2dr Coupe

230-horsepower 3.0L I6 6-speed shiftable automatic RWD

59000 mi

US $50
Valve cover gasket leaking, replaced under extended warranty 
68000 mi

US $450
Valve cover gasket leaks 
69000 mi

US $850
Belt tensioner 

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2009 BMW 3-Series 2dr Coupe

230-horsepower 3.0L I6 6-speed shiftable automatic AWD

98000 mi Vanos needed to be replaced 
48000 mi

US $3760
Replace belt tensioner 
53000 mi

US $300
Variable valve timing unit had an oil leak. 
56000 mi

US $50
Fan belt idler pulley was replaced. 

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2009 BMW 3-Series 2dr Coupe

230-horsepower 3.0L I6 6-speed manual RWD

6000 mi Gas cap fell apart and was replaced 

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2009 BMW 3-Series Engine Problems

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2009 BMW 3-Series problems occur, check out our car reliability stats.