Four-door rear-wheel-drive sedan · 2.5-liter fuel-injected inline-six (168 hp / 164 lb-ft)
1988 BMW 325i Four-Door
BMW's 1988 U.S. records identify the 325i four door as a distinct E30 configuration.

Photo: “1988 BMW 325ix (E30)” by Spanish Coches / Wikimedia Commons, licensed under CC BY 2.0. Cropped to 16:9.
Factory configuration
What this model is
- Trim
- 325i
- Body style
- Four-door rear-wheel-drive sedan
- Engine
- 2.5-liter fuel-injected inline-six (168 hp / 164 lb-ft)
- Transmission
- 5-speed manual or optional 4-speed automatic
Standalone options and equipment groups are not promoted into separate configurations.
Configuration-specific ownership
Maintenance for this exact configuration
These items are filtered to the engine, transmission, trim, and model-year applicability recorded for this configuration. Broad Amazon category searches are suppressed here; shopping links appear only beside catalog-backed part numbers.
Service desk
What this car needs & when
Use this as a service-planning checklist for 1988 BMW 325i Four-Door. Start with the interval, confirm which engine or configuration you have, then use an exact ordering reference when one is verified.
- Service topics
- 1
- Factory intervals
- 0
- Fitment-scoped
- 1
- Exact references
- 1
Before orderingIdentify your engine, options and build date.Part numbers and sizes can change within one model year. Shopping links appear only for catalog-backed references; still verify the listing against your vehicle before ordering.
Engine oil filter — catalog fitment
Exact reference available
2.5-liter fuel-injected inline-six (168 hp / 164 lb-ft) — K&N HP-2009
K&N HP-2009
Manufacturer-catalog replacement-part fitment only; it does not establish a BMW service interval. Confirm the VIN, production date, engine, and installed filter dimensions before ordering.
Source: K&N — BMW 325/325e/325i replacement oil-filter catalog · 1988 BMW 325-family 2.5L/2.7L gasoline — HP-2009 · checked
Verified ordering references
- Validated equivalentK&N HP-2009
Qty. 1 · Spin-on replacement oil filter · catalog-listed
Verify the current manufacturer application listing, VIN, production date, and installed dimensions before purchase.
Catalog: K&N — BMW 325/325e/325i replacement oil-filter catalog · 1988 BMW 325-family 2.5L/2.7L gasoline — HP-2009 · checked
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2.5-liter fuel-injected inline-six (168 hp / 164 lb-ft) — K&N HP-2009
K&N HP-2009
Manufacturer-catalog replacement-part fitment only; it does not establish a BMW service interval. Confirm the VIN, production date, engine, and installed filter dimensions before ordering.
Source: K&N — BMW 325/325e/325i replacement oil-filter catalog · 1988 BMW 325-family 2.5L/2.7L gasoline — HP-2009 · checked
Verified ordering references
- Validated equivalentK&N HP-2009
Qty. 1 · Spin-on replacement oil filter · catalog-listed
Verify the current manufacturer application listing, VIN, production date, and installed dimensions before purchase.
Catalog: K&N — BMW 325/325e/325i replacement oil-filter catalog · 1988 BMW 325-family 2.5L/2.7L gasoline — HP-2009 · checked
Search this part on Amazon
2.5-liter fuel-injected inline-six (168 hp / 164 lb-ft) — K&N HP-2009
K&N HP-2009
Manufacturer-catalog replacement-part fitment only; it does not establish a BMW service interval. Confirm the VIN, production date, engine, and installed filter dimensions before ordering.
Source: K&N — BMW 325/325e/325i replacement oil-filter catalog · 1988 BMW 325-family 2.5L/2.7L gasoline — HP-2009 · checked
Verified ordering references
- Validated equivalentK&N HP-2009
Qty. 1 · Spin-on replacement oil filter · catalog-listed
Verify the current manufacturer application listing, VIN, production date, and installed dimensions before purchase.
Catalog: K&N — BMW 325/325e/325i replacement oil-filter catalog · 1988 BMW 325-family 2.5L/2.7L gasoline — HP-2009 · checked
Search this part on Amazon
Sources
Other 1988 configurations