| 1 | 0 | 3 | 4 | 3 | 4 |
2004 BMW Z4 repairs by problem area
Engine (38%)
Transmission and Drivetrain (5%)
Brakes and Traction Control (1%)
Suspension and Steering (9%)
Electrical and Air Conditioning (27%)
Paint, Rust, Leaks, Rattles, and Trim (16%)
Other (4%)
Chart based on 81 repairs.
2004 BMW Z4 engine repair cost distribution
$2500+ (3%)
$1000 - $2499 (20%)
$500 - $999 (20%)
$100 - $499 (27%)
< $100 (30%)
Chart based on 30 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2004 BMW Z4
Engine not specified
| 38440 mi $150 |
compressor belt tensioner spring replaced |
2004 BMW Z4 2dr Convertible
225-horsepower 3.0L I6 6-speed manual RWD
| 26040 mi | Engine cooling system (radiator, water pump, thermostat, heater core, etc.), repair |
| 37300 mi C $500 |
Valve cover gasket replaced |
| 40300 mi C $1200 |
Change belt - cracks observed and change water pump (anticipatory) |
| 66340 mi C $200 |
Replaced both the Intake Air Adjustment Unit/DISA Valve and the Lower Intake Boot due to wear |
| 60000 mi US $149 |
Service Engine Soon light turned on. After reading the trouble codes myself with a generic OBD-2 tool I repaired the problem by replacing both upstream O2 sensors. Probably only one sensor was actually bad. |
| 73000 mi US $53 |
Valve cover gasket had a slight oil leak -- I replaced the gasket set and associated sealing grommets. I'm sure an experienced mechanic could have done this in much less time than the 3 hours it took me. |
| 96000 mi US $43 |
There was a small coolant leak where one of the coolant hoses mates with the expansion tank. I replaced the hose ($43). Also preemptively replaced the expansion tank ($85), tank cap ($17), level sensor ($16) and coolant ($21). |
| 114800 mi | Intake boot had a couple cracks and was replaced. |
| 109300 mi US $7 |
Minor oil leak -- replaced oil filter housing gasket. |
| 27458 mi | Coolant temperature sensor on lower radiator hose shorted out and was replaced |
| 44700 mi US $500 |
Erratic tire warning light, oil light stayed on after ignition was turned off, standard oil change, wiper blade replacement and 2 tires (rear), I'm getting almost 22,000 on the head for my Continental 3's, much lower than my 328ci |
2004 BMW Z4 2dr Convertible
225-horsepower 3.0L I6 6-speed automated manual RWD
| 92000 mi US $550 |
I am having coolant temperature problems with the gauge moving from the center to red zone. |
| 95000 mi US $567 |
I needed a tune-up. |
2004 BMW Z4 2dr Convertible
225-horsepower 3.0L I6 5-speed shiftable automatic RWD
| 63200 mi US $450 |
Thermostat housing |
| 53000 mi US $500 |
replaced worn accessory belts. |
| 54000 mi US $1000 |
Coolant leak. Replaced radiator, and expansion tank. |
| 76000 mi US $235 |
Also diagnosed two oil leaks, one from valve cover, and one from the oil pan. |
| 78000 mi US $1000 |
Oil leak. Oil pan gasket replaced. |
2004 BMW Z4 2dr Convertible
184-horsepower 2.5L I6 5-speed shiftable automatic RWD
| 28186 mi | Ignition coil replacement |
| 55000 mi US $400 |
replaced cracked coolant expansion tank and mountng bracket. |
| 76500 mi US $300 |
Replaced 1) leaking water hose and, 2) leaking thermostat and housing. |
| 114000 mi US $50 |
Check Engine Light - Cyl 02 misfire. Replaced plug (original) and Coil pack. |
| 144000 mi US $50 |
Replaced leaky oil filter housing gasket, brittle oil pressure switch, and gasket ring. |
| 170000 mi US $475 |
Idler pulley broke causing belt to snap and sever radiator hose. |
| 160000 mi US $10000 |
Engine overheated and had to be completely replaced. |
| 76600 mi US $945 |
Replaced one coil pack and all 6 spark plugs |
| 81300 mi US $1228 |
Lower intake boot cracked. Coded P0171 lean fuel trim. Replaced lower intake boot. |
2004 BMW Z4 2dr Convertible
184-horsepower 2.5L I6 5-speed manual RWD
| 35000 mi US $1700 |
Service Engine light was on.Two faults were found;defective fuel breather valve and a defective instrument cluster that was not communicating with the engine computer.Steering no longer "sticky" or "binding". |
| 132200 mi US $1025 |
Oil pan gasket bad Vacuum leak |
See TrueDelta's information for all Hatchbacks and Convertibles.
See TrueDelta's information for all BMW models.
