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BMW Z4 vs. BMW Z3 Reliability

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Results are for year ending December 31, 2015. Only successfully completed repairs are currently included in the analysis. Routine maintenance, most wear items, recalls, and problems fixed with just a reflash or warning light reset are not included.
Year Make/Model Repair Trips Per 100 Cars Compared to all models for the same year    
2007 BMW Z4 22
0% 0% Fewest Trips Most Trips
[?] see reported repairs
  30 Z4s, 9.2 months of data per Z4, average 64500 miles

Like other sports cars, low average odometer reading.

 

2006 BMW Z4 36
20% 20% Fewest Trips Most Trips
[?] see reported repairs
  32 Z4s, 9.3 months of data per Z4, average 51200 miles

Like other sports cars, low average odometer reading.

 

2005 BMW Z4   small sample, members only   see reported repairs
  15 Z4s, 6.7 months of data per Z4, average 66700 miles

* Small sample, members only.

 

2004 BMW Z4   small sample, members only   see reported repairs
  11 Z4s, 10.6 months of data per Z4, average 78800 miles

* Very small sample, members only.

 

2003 BMW Z4 58
30% 30% Fewest Trips Most Trips
[?] see reported repairs
  36 Z4s, 9.8 months of data per Z4, average 79100 miles

Like other sports cars, low average odometer reading.

 

2001 BMW Z3 48
10% 10% Fewest Trips Most Trips
[?] see reported repairs
  28 Z3s, 9.9 months of data per Z3, average 82900 miles

Like other sports cars, low average odometer reading.

 

2000 BMW Z3   small sample, members only   see reported repairs
  18 Z3s, 6.2 months of data per Z3, average 90900 miles

* Small sample, members only.

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BMW Z4 vs. BMW Z3 Reliability Comparisons

You won't find BMW Z4 or BMW Z3 reliability information like this anywhere else. Actual repair frequencies, not just vague dots, to make it clear how much the BMW Z4 and the BMW Z3 truly differ in reliability.

These stats are promptly updated four times a year, to much more closely track BMW Z4 and BMW Z3 reliability as the cars age. Others tell you how reliable the BMW Z4 and the BMW Z3 were a year ago, when the cars were a year younger and had 12,000 fewer miles on them. Only TrueDelta tells you how reliable the BMW Z4 and the BMW Z3 have been recently.

What People Are Saying about Reliability and the BMW Z4

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What Our Members Are Saying about the Reliability and Durability of the BMW Z4

BMW Z4 Reliability and Durability: Pros
YearBody/PowertrainComment
2007 2dr Hatch 255-horsepower 3.0L I6
6-speed manual RWD
Certified pre-owned.
2006 2dr Convertible 215-horsepower 3.0L I6
6-speed manual RWD
The car has the remaining new car warranty and maintenance. It is CPO to 6yr-100k miles.
2006 2dr Convertible 215-horsepower 3.0L I6
6-speed manual RWD
It has a reputation with consumer organizations for very reliable performance - a real plus when repairs on such cars are so expensive. The "certified" warranty was important to me with this in mind.
BMW Z4 Reliability and Durability: Cons
YearBody/PowertrainComment
2003 2dr Convertible 184-horsepower 2.5L I6
5-speed manual RWD
Parts(e.g., fuel pump) that would nearly outlast any domestic or foreign car make failed after only 25,000 miles. Dealer attempted to charge me nearly $2000 to replace same...said "No thanks," and took to independent garage who charged 1/3 to repair.
 

What Our Members Are Saying about the Reliability and Durability of the BMW Z3

BMW Z3 Reliability and Durability: Pros
YearBody/PowertrainComment
2000 2dr Convertible 170-horsepower 2.5L I6
4-speed automatic RWD
Car of the year in 2000. Best Consumer Reports value for 5 years in a row for its class. Model Rating - Overall 4 stars Trim Rating - Overall 5 stars Appearance 5 stars Comfort 5 stars Performance 5 stars Reliability 5 stars
2000 2dr Convertible 193-horsepower 2.8L I6
4-speed automatic RWD
I got over a 150K miles and only minor items less then $500 dollars on repairs other then tires and brakes
BMW Z3 Reliability and Durability: Cons
YearBody/PowertrainComment
2000 2dr Convertible 193-horsepower 2.8L I6
5-speed manual RWD
I experienced continued problems with the A/C system and the engine cooling system. Also, the rag top did not hold up well and developed a leak.