2003 BMW 5-Series BMW 5-Series 2003

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2003 BMW 5-Series repairs by problem area

Engine (43%)

Transmission and Drivetrain (3%)

Brakes and Traction Control (4%)

Suspension and Steering (17%)

Electrical and Air Conditioning (22%)

Paint, Rust, Leaks, Rattles, and Trim (7%)

Other (4%)

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Chart based on 277 repairs.
See TSBs and recalls for the 2003 BMW 5-Series.

2003 BMW 5-Series electrical repair cost distribution

$2500+ (5%)

$1000 - $2499 (8%)

$500 - $999 (15%)

$100 - $499 (35%)

< $100 (37%)

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Chart based on 60 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2003 BMW 5-Series

Engine not specified

109300 mi

US $320
Headlight burnt out - ballast was over 300 from dealer, bought on internet for 220, bulb was 100 

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2003 BMW 5-Series 4dr Wagon

225-horsepower 3.0L I6 5-speed shiftable automatic RWD

76000 mi

£400
Parking sensor replaced 
124300 mi

£90
Dead battery replaced 
132000 mi

£160
Needed regassing Fan not working need new resistor pack 

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2003 BMW 5-Series 4dr Wagon

184-horsepower 2.5L I6 5-speed shiftable automatic RWD

79360 mi Front driver window does not open and close 
100000 mi Radio goes dead but nav stays on. Then comes back on. On its own. Apparently it is the digital radio that is going. 
105300 mi As reported earlier, radio dies suddenly, and comes back on at random. Nav stays on. I disconnect the neg batt terminal and connect it back. Radio works again for a while. Not sure how long this fix works. Refurb dig module quoted at $585. 
108000 mi

US $740
Battery dies after 24h standing. No idiot light. Said to be alternator not charging. Replaced . OK now. But why no alt light? 
102300 mi

US $80
Battery gave up the ghost 
104000 mi

US $500
Alternator crapped out due to leaf buildup in the air duct leading to it. 

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2003 BMW 5-Series 4dr Sedan

394-horsepower 4.9L V8 6-speed manual RWD

54000 mi

US $54
Window regulator died. 
73000 mi

US $50
Air conditioner hoses were leaking. Compressor was whining and A/C made rustling noises. Hoses were replaced and A/C was recharged. 
74000 mi

US $50
Driver's side mirror would not retract all the way in (car has power folding mirrors). Dealer installed new outside mirror (ordered, painted, installed) under warranty. 
77000 mi

US $50
Driver's seat recline would only adjust one one side; left side of seat would recline fore/aft, but right side was "stuck". Dealer replaced seatback transmission under CPO. Moonroof rattles over rough roads, freeway expansion joints. Dealer replaced left and right control rails and lubed moonroof assembly. Rattle still present. 

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2003 BMW 5-Series 4dr Sedan

290-horsepower 4.4L V8 6-speed manual RWD

152000 mi

US $35
Power fluid top off,DRL bulb replaced. 
153600 mi

US $40
Replaced "angel eyes" halo light bulb. Coolant top off. 
135000 mi

US $450
The rubber trims on front and rear wind shields disintegrate within 2 years. The head lights do not adjust up/down. Window regulators(not motors)mechanism burn out often. 
164000 mi

US $50
wires in loom to trunk were frayed, repaired and sealed wires Body control module (alarms, locks, etc.) required replacement. remove and replace with good used part. 
98000 mi

US $220
fixed 'seat twist' on front passenger seat. 

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2003 BMW 5-Series 4dr Sedan

290-horsepower 4.4L V8 5-speed shiftable automatic RWD

88300 mi

US $40
Replaces AC blower final stage resister. 
101000 mi

US $600
Transmission Failsafe Program light. Had this on my 2001 740. Tested battery and alternator; both bad. Replaced and all is well. About $400 for Alternator and $200 for battery. My labor. 
125700 mi

US $200
alternator produced high voltage 
86000 mi

US $175
Sent multi information display off to have numerous dead pixels repaired. Received it back and reinstalled it into car. 
43000 mi

US $650
Replaced ignition ignitor module for xenon headlight. 
47000 mi

US $300
A/C stopped working. Replaced blower. 
65000 mi

US $470
Replace starter 

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2003 BMW 5-Series 4dr Sedan

225-horsepower 3.0L I6 5-speed shiftable automatic RWD

160000 mi Water valve had become stuck and blew hot air through AC system. Replaced item. 
88000 mi

US $900
replace blower motor 
73300 mi

US $40
Replace blower resister 
215000 mi

US $3400
replace alternator 
67000 mi

US $1500
Power window was making crunchy sounds; failure was imminent. Failing parts replaced. 
89000 mi

US $250
Fan speed didn't go to high speed manually or automatically. 
91000 mi

US $964
Battery died. Got jump start and drove it to dealer for repair. 
132000 mi

US $393
Driver side window died. 
141000 mi

US $1600
Alternator replaced. 
104000 mi

US $500
Replaced rear right light housing, rusted out plug on unit and wiring harness. 
124000 mi

US $2600
Wiper motor and relays need replacing 
80000 mi

US $5
Repeated "brake/backup/turnsignal" errors. Problem was corroded/rusted connector to stamped out galvanized panel in taillight assembly. Est. cost of parts: about $460.00, and no assurance it wouldn't re-corrode. I hard wired. 
101400 mi

US $523
Bad windshield washer motor. 
36000 mi Replace dashboard electronics as some LEDs no longer worked (odometer) 

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2003 BMW 5-Series 4dr Sedan

225-horsepower 3.0L I6 5-speed manual RWD

66000 mi

US $3000
service indictor lights erratic 
132500 mi

US $120
Window regulator failed on driver's side front door. Window stuck halfway up. 
162000 mi

US $230
Electric fan on A/C condenser failed and had to be replaced. Replaced the A/C drive belt and tensioner pulley at same time. 
163300 mi

US $200
Left rear window regulator failed and window stuck in down position. 
189000 mi

US $200
MID pixels burnt. Replaced 

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2003 BMW 5-Series 4dr Sedan

184-horsepower 2.5L I6 5-speed shiftable automatic RWD

114700 mi

C $50
headlight balast needed 
126480 mi

C $1000
key lost sync with car unable to start car new key shipped from germany 
71000 mi

US $600
Battery replaced, but not charging had to replace altenator 
60000 mi

US $1000
Replaced the right rear tail light socket 
85000 mi

US $400
Dead Battery 
79000 mi

US $230
HID Headlight ballast quit working 
116000 mi

US $45
Had to replace the windshield wiper relay. It failed while the car sat without being driven for a while. 
116600 mi

US $65
The wiper relay didn't fix the problem. I had to replace the wiper motor. 
54000 mi Sunroff hardware broke. Had been fixed several times under warranty. Continues to be fixed out of warranty. 
82000 mi

US $300
Drivers side rear window regulator 
85300 mi

US $220
Front psgr door window regulator 
89000 mi

US $1050
alternator was replaced 
105200 mi

US $150
dead battery 

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See TrueDelta's information for all BMW models.

2003 BMW 5-Series Electrical 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 2003 BMW 5-Series problems occur, check out our car reliability stats.