2006 BMW 3 Series 330i N52B30 (E90)

E90 / Sedan / Global with regional engine variations

N52B30Exact year/trim recordGold

Engine identity

Engine code

N52B30

Engine summary

3.0L naturally aspirated inline-6, DOHC, variable valve timing (Double-VANOS), aluminum block and head

Displacement

2996 cc

Power

255 hp (190 kW) @ 6600 rpm (varies slightly by market emission standards)

Torque

300 Nm (221 lb-ft) @ 2750 rpm

Fuel system

Multi-point fuel injection

Timing drive

Chain-driven dual overhead camshafts

OBD port

Verify by VIN and market

Oils and fluids

Oil type

BMW Longlife-01 approved synthetic oil 5W-30 or 0W-40

Oil capacity

6.5 liters service-fill including filter change

Coolant

7.2 liters

Fluid

BMW ATF LT71141 for automatic; manual requires MTF-LS

Differential fluid

BMW specified gear oil (approx. 1 liter)

Brake fluid

DOT 4, change every 2 years

Service and parts data

Manual transmission

6-speed manual (Getrag 227)

Automatic transmission

6-speed automatic (GM 6L50 in most markets)

Spark plugs

NGK IFR6T-11 or equivalent platinum tip

Service interval

15,000 km or 12 months (variable by market)

Tire sizes

225/45 R17 front and rear (varies with optional packages)

Wheel torque

Verify by VIN and market

Common and chronic problems

DISA valve failure
Water pump and thermostat leaks
Oil leaks from valve cover gasket

First checks

Inspect valve cover gasket for oil seepage
Check cooling system hoses and water pump
Examine VANOS solenoids for functionality

Before replacing parts

Save fault codes and freeze-frame data before clearing anything.
Check engine oil, coolant and transmission fluid using the correct temperature and service procedure.
Verify power, ground, connectors, hoses, leaks and live data before replacing expensive parts.

Important notes

The N52 engine replaced the M54 in 330i models starting 2006 with improved magnesium/aluminum construction.
Some markets offered different power outputs due to emission regulations.
The 330i was primarily sold as part of the E90 generation globally except select regions with local nomenclature differences.

Common codes

Source and verification notes

BMW Technical Guide, 2006 E90 3 Series documentation
BMW N52 engine technical specifications, verified from official BMW service manuals and global market brochures

Compatible tools

Verify by VIN and market

FAQ

What engine code does the 2006 BMW 3 Series 330i N52B30 (E90) use? 2006 BMW 3 Series 330i N52B30 (E90) is listed here with engine code N52B30; engine summary: 3.0L naturally aspirated inline-6, DOHC, variable valve timing (Double-VANOS), aluminum block and head.
What oil and capacity does the 2006 BMW 3 Series 330i N52B30 (E90) use? 2006 BMW 3 Series 330i N52B30 (E90) is listed with BMW Longlife-01 approved synthetic oil 5W-30 or 0W-40 and oil capacity 6.5 liters service-fill including filter change. Confirm market and engine option before service.
What are common 2006 BMW 3 Series 330i N52B30 (E90) problems? Highlighted checks for 2006 BMW 3 Series 330i N52B30 (E90): DISA valve failure, Water pump and thermostat leaks, Oil leaks from valve cover gasket.

Engine identity

Engine code

N52B30

Engine summary

3.0L naturally aspirated inline-6, DOHC, variable valve timing (Double-VANOS), aluminum block and head

Displacement

2996 cc

Power

255 hp (190 kW) @ 6600 rpm (varies slightly by market emission standards)

Torque

300 Nm (221 lb-ft) @ 2750 rpm

Fuel system

Multi-point fuel injection

Timing drive

Chain-driven dual overhead camshafts

OBD port

Verify by VIN and market

Service and parts data

Manual transmission

6-speed manual (Getrag 227)

Automatic transmission

6-speed automatic (GM 6L50 in most markets)

Spark plugs

NGK IFR6T-11 or equivalent platinum tip

Service interval

15,000 km or 12 months (variable by market)

Tire sizes

225/45 R17 front and rear (varies with optional packages)

Wheel torque

Verify by VIN and market

Important notes

The N52 engine replaced the M54 in 330i models starting 2006 with improved magnesium/aluminum construction.

Some markets offered different power outputs due to emission regulations.

The 330i was primarily sold as part of the E90 generation globally except select regions with local nomenclature differences.

FAQ

What engine code does the 2006 BMW 3 Series 330i N52B30 (E90) use? 2006 BMW 3 Series 330i N52B30 (E90) is listed here with engine code N52B30; engine summary: 3.0L naturally aspirated inline-6, DOHC, variable valve timing (Double-VANOS), aluminum block and head.

What oil and capacity does the 2006 BMW 3 Series 330i N52B30 (E90) use? 2006 BMW 3 Series 330i N52B30 (E90) is listed with BMW Longlife-01 approved synthetic oil 5W-30 or 0W-40 and oil capacity 6.5 liters service-fill including filter change. Confirm market and engine option before service.

What are common 2006 BMW 3 Series 330i N52B30 (E90) problems? Highlighted checks for 2006 BMW 3 Series 330i N52B30 (E90): DISA valve failure, Water pump and thermostat leaks, Oil leaks from valve cover gasket.

2006 BMW 3 Series 330i N52B30 (E90)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

First checks

Before replacing parts

Important notes

Scanning Engine...

2006 BMW 3 Series 330i N52B30 (E90)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

First checks

Before replacing parts

Important notes