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Vehicle Specification Lookup Tool🔍
All BMW Z3 engines have a timing chain and are interference.
Scroll down to see detailed timing belt data for your particular model year of the BMW Z3.
| Year | Engine | Belt Or Chain | Interference or Non-Interference |
|---|---|---|---|
| 1996 - 2002 | All | Timing Chain | Interference |
Note: Replacement intervals are broad recommendations and can be affected by age, weather conditions, running conditions etc. Check with the owner's manual/ manufacturer/ dealership.
Check out the Belt Or Chain specifications for other makes and models.
The 2002 BMW Z3 has a timing chain and an interference engine.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.5L | Timing Chain | Interference | Lifetime |
| 3.0L | Timing Chain | Interference | Lifetime |
| 3.2L | Timing Chain | Interference | Lifetime |
The 2001 BMW Z3 has a timing chain and an interference engine.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.5L | Timing Chain | Interference | Lifetime |
| 3.0L | Timing Chain | Interference | Lifetime |
| 3.2L | Timing Chain | Interference | Lifetime |
The 2000 BMW Z3 has a timing chain and an interference engine.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.5L | Timing Chain | Interference | Lifetime |
| 2.8L | Timing Chain | Interference | Lifetime |
| 3.2L | Timing Chain | Interference | Lifetime |
The 1999 BMW Z3 has a timing chain and an interference engine.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.5L | Timing Chain | Interference | Lifetime |
| 2.8L | Timing Chain | Interference | Lifetime |
| 3.2L | Timing Chain | Interference | Lifetime |
The 1998 BMW Z3 has a timing chain and an interference engine.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 1.9L | Timing Chain | Interference | Lifetime |
| 2.8L | Timing Chain | Interference | Lifetime |
| 3.2L | Timing Chain | Interference | Lifetime |
The 1997 BMW Z3 has a timing chain and an interference engine.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 1.9L | Timing Chain | Interference | Lifetime |
| 2.8L | Timing Chain | Interference | Lifetime |
The 1996 BMW Z3 has a timing chain and an interference engine.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 1.9L | Timing Chain | Interference | Lifetime |

The primary purpose of the timing belt or timing chain is to maintain the timing (syncronization) between the crankshaft and the camshaft(s).
A timing belt is made of a rubber compound while a timing chain is made of chain similiar to a bicycle chain.
A timing belt wears out over time and must be replaced at the manufacturer's specified interval. Timing belt failure can result in serious engine damage.
Although a timing chain will wear over time it is usually good for the lifetime of the engine but it should be routinely inspected.
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