2003 BMW Z4 engine and engine cooling problems
11 owner complaints filed with NHTSA name the engine and engine cooling on the 2003 BMW Z4 — 3% of all complaints for this model year.
What owners report
“The contact owns a 2003 BMW Z4. The contact stated that the coolant warning light illuminated. The contact then stated that she noticed smoke underneath the hood of the vehicle. The contact stated that upon inspecting the vehicle, she noticed a leak on the ground located near the rear passenger’s…”
filed May 23, 2023
“The power steering assist has failed on the car making it very difficult to steer. Luckily it failed while on a straight part of an interstate as my daughter was driving the car and this severely frightened her. She did not overreact and we took appropriate measures to get the vehicle home. Online…”
filed Jan 24, 2012
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine and Engine Cooling problems in other Z4 years
| Year | Reports | Share |
|---|---|---|
| 2011 Z4 | 7 | 15% |
| 2009 Z4 | 1 | 5% |
| 2008 Z4 | 2 | 11% |
| 2007 Z4 | 6 | 18% |
| 2006 Z4 | 4 | 4% |
Other reported problem areas on the 2003 BMW Z4
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.