368 problems have been reported for the 2004 BMW Z4.
The following chart shows the 14 most common problems for 2004 BMW Z4.
The number one most common problem is related to the vehicle's steering
with 324 problems.
The second most common problem is related to the vehicle's air bags
(16 problems).

The following chart shows the number of problems reported during each of the service
years since the debut of the 2004 BMW Z4 in 2004.

Table 2. Problem Occurrence Trend

Service Year

Number of Problems

2018

3

2017

10

2016

21

2015

31

2014

23

2013

38

2012

30

2011

65

2010

70

2009

29

2008

25

2007

5

2006

7

2005

6

2004

5

Compare the 2004 BMW Z4 with Other Model Years

When making the decision between buying a new or used BMW Z4,
the following table can be used to compare the 2004 BMW Z4
with the BMW Z4 from other model years.
Note that the number of problems reported for the 2004 Z4 is 368
while the average number of problems reported for the 14 model years of the BMW Z4 is 78.

Table 3. Compare the 2004 BMW Z4 with other model years