1998 BMW Z3 Roadster problems & reliability
19 owner complaints filed with NHTSA for the 1998 BMW Z3 Roadster. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
1 complaint report injuries (1 injured).
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Structure | 7 | 37% |
| Air Bags | 3 | 16% |
| Power Train | 2 | 11% |
| Seats | 2 | 11% |
| Suspension | 2 | 11% |
| Tires | 2 | 11% |
| Electronic Stability Control | 1 | 5% |
| Fuel System, Gasoline | 1 | 5% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Complaints by incident year
What owners report
“A loud clunking sound coming from rear end was noticed. Upon inspection, by bmw dealership it was determined the rear subframe holding rear differential has separated from the body of the vehicle (spot weld failure). I was told it is extremely dangerous to drive and to fix immediately. Upon further research, this…”
Suspension · filed Jun 17, 2017
“The battery compartment fills with water when to rains and does not empty. This problem also causes rust and moisture in the trunk.”
Structure · filed Feb 18, 2017
“At 86k miles on my 1998 bmw z3, the thin sheet metal bracket holding the rear differential up in place welded to the chassis split in half causing the rear end to hang. This is the second time it has happened, also at 93,500 miles, just 8 months later. The clutch is still original and the car has never been abused, or…”
Power Train · filed Oct 16, 2011
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
4 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 1998 BMW Z3 Roadster.
Bmw: when at lower speeds or stopping the engine idle dips too low because of a software problem. *rm
SI B12 12 10 · Service Bulletin/Repair Instructions · issued Jun 1, 2010
Information on revised schematics developed for 1998 model year vehicles produced from 9/97. *tt
000799 · Service Bulletin/Repair Instructions · issued Aug 1, 1999
Procedures on installing I-bus wire for the cd changer. *tt
651698 · Service Bulletin/Repair Instructions · issued Feb 1, 1999
Subject regarding recall to tighten the battery b+ cable clamp nut. *tt
611398 · Service Bulletin/Repair Instructions · issued Dec 1, 1998
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
No NHTSA recall campaigns name the 1998 BMW Z3 Roadster in our current data. Recalls may apply only to certain VIN ranges — always confirm with a VIN check.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 1998 BMW Z3 Roadster?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.