2003 BMW Z4 - Problems, Statistics, and Analysis

🔎 Common problems of the 2003 BMW Z4

436 problems have been reported for the 2003 BMW Z4. The following chart shows the 18 most common problems for 2003 BMW Z4. The number one most common problem is related to the vehicle's steering with 336 problems. The second most common problem is related to the vehicle's air bags (32 problems).

Table 1. Common problems of the 2003 BMW Z4

Problem Category	Number of Problems
Steering	336
Air Bag	32
Electrical System	12
Engine And Engine Cooling	12
Power Train	7
Vehicle Speed Control	5
Gasoline Fuel System	5
Structure	5
Seat Belt	4
Latches/locks/linkage	4
Equipment	4
Tire	2
Exterior Lighting	2
Suspension	2
Electronic Stability Control	1
Visibility	1
Other Fuel System	1
Service Brakes	1

📈 Problem Occurrence Trend

The following chart shows the number of problems reported during each of the service years since the debut of the 2003 BMW Z4 in 2003.

Table 2. Problem Occurrence Trend

Service Year	Number of Problems
2025	1
2024	2
2023	7
2022	3
2021	4
2020	1
2019	13
2018	20
2017	11
2016	20
2015	18
2014	20
2013	29
2012	38
2011	55
2010	65
2009	26
2008	20
2007	7
2006	17
2005	17
2004	20
2003	1

📊 Compare the 2003 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 2003 BMW Z4 with the BMW Z4 from other model years. Note that the number of problems reported for the 2003 Z4 is 436 while the average number of problems reported for the 18 model years of the BMW Z4 is 77.

Table 3. Compare the 2003 BMW Z4 with other model years

Model Year	Number of Problems
2022 Z4	2
2020 Z4	7
2019 Z4	6
2016 Z4	5
2015 Z4	6
2014 Z4	9
2013 Z4	12
2012 Z4	7
2011 Z4	52
2010 Z4	9
2009 Z4	27
2008 Z4	20
2007 Z4	40
2006 Z4	106
2005 Z4	199
2004 Z4	437
2003 Z4	436
2002 Z4	6

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