2006 BMW Z4 BMW Z4 2006

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2006 BMW Z4 repairs by problem area

Engine (20%)

Transmission and Drivetrain (7%)

Brakes and Traction Control (6%)

Suspension and Steering (10%)

Electrical and Air Conditioning (33%)

Paint, Rust, Leaks, Rattles, and Trim (21%)

Other (3%)

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Chart based on 137 repairs.
See TSBs and recalls for the 2006 BMW Z4.

2006 BMW Z4 electrical repair cost distribution

$2500+ (11%)

$1000 - $2499 (11%)

$500 - $999 (32%)

$100 - $499 (37%)

< $100 (11%)

Chart based on 19 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2006 BMW Z4 2dr Hatch

330-horsepower 3.2L I6 6-speed manual RWD

64000 mi

US $900
Power window regulator broken, repaired by dealer. 
92300 mi

US $1500
Airbag light came on. 

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2006 BMW Z4 2dr Hatch

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

107300 mi

US $525
replaced starter 

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2006 BMW Z4 2dr Hatch

255-horsepower 3.0L I6 6-speed manual RWD

44000 mi

US $25
alarm would go off after set. replaced the under hood switch. 

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2006 BMW Z4 2dr Convertible

330-horsepower 3.2L I6 6-speed manual RWD

58700 mi

US $396
Xenon bulb failed, replaced the pair myself. 
62000 mi

US $200
Battery ran low, triggering 'transport mode'. Had to reset codes. Also, changed headlights (not related. 
70000 mi

US $300
Dead battery 
72000 mi

US $500
A/C not cooling air, vacuum tested, no leaks found, A/C recharged and functioning well. 
40000 mi headlight replaced 
51000 mi Small electrical component in front fascia. 
51500 mi Wire wrap melted on wire next to vanos. Replaced wire wrap. 
73700 mi

US $150
Battery died. Cable was corroded to battery terminal. 
50000 mi

US $634
Radio would cut out, was suspected as a radio issue. Turned out to be alternator needing replacement. Windshield sprayers stopped working; pump was replaced. 
57000 mi

US $60
Battery refused to take charge; replaced with proper sized battery (48R). 
97000 mi

US $80
Burned out xenon driver headlight. Replaced via access panel in the wheel well using instructions found on YouTube 
51000 mi

US $100
Starter failed the day before a scheduled repair for the other items, intermittent starting 
36300 mi

US $165
A/C fan inoperative 
38000 mi

US $450
Car has "Top HIFI System Professional DSP" sound system. All four woofers stopped working. I correctly guessed the ten channel amplifier had partially failed. New amp was $1,000. I purchased a used one for $450, installed it, problem solved. 
21000 mi nav system error, blown speaker 
35700 mi

US $625
Starter intermittently dead. Replaced starter. 
8680 mi Left hand side inner Halo light ring not lighting, Light out warning on dash. Dealer had to order new headlight assembly for repair. 
17360 mi

C $250
Replaced battery 
26000 mi AC computer (IHK) died. Blew hot air when the compressor was working. Replaced IHK, now working. 

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2006 BMW Z4 2dr Convertible

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

41540 mi Windshield wipers were erratic. Stopping for several minutes, not shutting off. Took wiper motor out and cleaned grease off electrical contacts. 
28000 mi passenger side power window and same side cup holder. 
46000 mi

US $4200
antennae for gps had to be replaced 
50000 mi

US $500
Battery safety fuse fired off. Mechanic put back together but dash light is still on. He will order parts to replace. Airbag light is on. 

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2006 BMW Z4 2dr Convertible

255-horsepower 3.0L I6 6-speed manual RWD

45000 mi

US $400
Zenon bulb actuator, left side. Also replaced bulb. 
39000 mi switch on clutch was replaced so engine could be started 
26000 mi Defective starter motor was replaced 
23900 mi Replace Xenon headlight control unit - under warranty 
39000 mi Replaced bad motor for power window 
50000 mi

US $100
A/C did not cool properly. Shop could not find leak and added refrigerant. 

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2006 BMW Z4 2dr Convertible

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

28700 mi Plugged condensation drain 
38000 mi

US $378
Problem with battery reset after a battery replacement. Had problems getting the electrical system to respond. 
34000 mi

US $1035
Battery was not being charged properly. Alternator was not charging at low speed, but seemed to be charging at higer rpm. Alternator was replaced. Amount paid included alternator, labor and 2 hours charge for 'diagnosis'. 
35000 mi The very expensive alternator repair did not work. Battery was replaced as it was defective at 2+ years. Repair shop did not have a battery tester that could cycle batt. Maybe I did not need alternator!! O'Reilly had this batt. tester. 
49000 mi

US $175
Had to replace battery, found a 3 year warrenty for 175.00 
82000 mi

US $650
Headlights would not come on after they had been on for a time, turned off, and turned back on. Found light ballast failing and replaced. 
30000 mi Starter pinion not always fully retracting causing noise on some start ups. 

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2006 BMW Z4 2dr Convertible

215-horsepower 3.0L I6 6-speed manual RWD

35000 mi

US $50
driver side window regulator went bad, required replacement. 
36000 mi

US $50
Head was replaced due to ongoing lifter tick problem, covered under CPO warranty. 
21700 mi

C $105
Replaced original 8 year old battery (it was getting weak and a load test showed 50%). Bought a Costco battery for $105, reset clock, all done. 

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See TrueDelta's information for all Hatchbacks and Convertibles.
See TrueDelta's information for all BMW models.

2006 BMW Z4 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 2006 BMW Z4 problems occur, check out our car reliability stats.