2007 maintenance schedule
2007 BMW 328xi Maintenance Schedule
2007 BMW 328xi maintenance schedule covering available model-year service requirements, oil change guidance, inspection intervals, and preventive maintenance notes.
Last updated
August 23, 2026
Reviewed for service schedule clarity.
This page combines the available 2007 BMW 328xi maintenance schedule records for this model year. Use the sections below to compare service requirements, drivetrain-specific notes, oil change guidance, fluid checks, inspection intervals, and preventive maintenance tasks.
2007 BMW 328xi Maintenance Schedule & Service Intervals
Key Takeaways
- The 2007 BMW 328xi is powered by the N52 3.0-liter naturally aspirated inline-6 engine and features BMW's xDrive all-wheel-drive system .
- BMW's Condition Based Service (CBS) system uses sensors and algorithms to calculate individualized service intervals based on your actual driving conditions, rather than a fixed schedule .
- Service data is stored in the remote control key and should be read by your BMW service center to determine the precise maintenance required for your vehicle .
- The original 48-month/50,000-mile free scheduled maintenance program has long since expired for this model year .
- Although BMW promoted "lifetime" fluids for the transmission and transfer case, independent specialists recommend servicing these components at regular intervals for long-term reliability .
Understanding BMW's Condition Based Service (CBS) System
The 2007 BMW 328xi is equipped with the Condition Based Service (CBS) system . Unlike conventional systems that rely on a rigid fixed schedule, this intelligent system uses sensors and special algorithms that take the different driving conditions of your BMW into account to determine current and future service requirements . By letting you define a service and maintenance regimen that reflects your own individual driving profile, the system builds the basis for trouble-free driving .
What CBS Monitors
On the Control Display, you can view the remaining times or distances for selected maintenance tasks :
- Engine oil service
- Brake pads: separately for front and rear
- Brake fluid
- Vehicle check
- Legally mandated inspections depending on local regulations
The CBS system may also monitor the microfilter/activated-charcoal filter and spark plugs .
Service Data in the Remote Control
Your vehicle continuously stores service-requirement information in the remote control while you are driving . Your BMW Service Advisor can read this data from the remote control unit and propose an optimized maintenance approach. Whenever you take your car in for servicing, you should hand your BMW Service Advisor the remote control unit that you last used .
Important: Make sure that the date is always set correctly; otherwise, the effectiveness of Condition Based Service CBS is not assured .
Service and Warranty Documentation
For the definitive service schedule for your specific vehicle, consult the Service and Warranty Information Booklet for US models or the Warranty and Service Guide Booklet for Canadian models . BMW recommends that service and repair operations be performed at an authorized BMW center .
Original Factory Warranty Coverage
The 2007 BMW 328xi was originally covered by a 48-month/50,000-mile free scheduled maintenance program and a 48-month/50,000-mile basic warranty . A 144-month (12-year) rust warranty was also included . All factory maintenance coverage has long since expired for this model year.
Factory Maintenance Schedule
BMW's maintenance guidelines are centered around the CBS system. The service intervals are calculated by the vehicle's onboard computer based on your driving habits. A forum user reported that after an oil change, the vehicle displayed a next oil service interval of approximately 20,000 miles, which other owners noted was too high and suggested changing the oil every 7,500 miles .
Engine Oil Service
CBS Guidance: The CBS system determines engine oil change intervals based on driving conditions. When a corresponding message appears on the Control Display, add a maximum of 1 US quart/1 liter of engine oil . Add oil within the next 125 miles/200 km, otherwise the engine could be damaged . Have oil changes performed only at a BMW center or at a workshop that works according to BMW repair procedures with correspondingly trained personnel .
Specialist Guidance: Independent specialists recommend changing synthetic motor oil every 7,500 miles . For vehicles driven primarily in city traffic or on short trips, more frequent changes are advisable.
Oil Specifications: The 2007 BMW 328xi requires BMW-approved synthetic oil. The N52 3.0L engine has an approximate oil capacity of 6.9 liters .
32,000-Mile Service
A typical 32,000-mile service for the 2007 BMW 328xi includes :
- Cabin air filter replacement
- Engine oil and filter change
- Service battery/cables
- Check brake, steering and suspension system
- Check all hoses and fluids
- Check washer system, seat belt system, and power steering system
- Check all lights and instrument panel gauges
- Check body and frame, tires, air bag systems, and mirrors
Transmission Fluid Service
Factory Position: BMW promoted "extended service interval" transmission fluid for this model .
Specialist Guidance: The automatic transmission is one of the most neglected service areas on a car. Specialists recommend a periodic fluid change to maintain smooth shifting and long-term reliability. For manual transmissions, oil change intervals of 36,000 km (approximately 22,000 miles) or every 3 years are recommended by some sources, with level checks every 15,000 km or 12-18 months .
Fluid Capacity: The automatic transmission has a capacity of approximately 10.1 liters for a dynamic fluid change .
Transfer Case and Differential Service
The xDrive all-wheel-drive system includes a transfer case and front and rear differentials that require periodic fluid changes.
Specialist Guidance: Although BMW historically considered these fluids "lifetime" fills, independent specialists recommend servicing these components at regular intervals to ensure the longevity of the all-wheel-drive system. Transfer case and differential fluid changes should be performed as part of a comprehensive drivetrain maintenance schedule.
Recommended Maintenance Planning Summary
Based on BMW factory guidance and independent specialist recommendations:
| Component | CBS / Factory Guidance | Specialist Recommendation |
|---|---|---|
| Engine Oil & Filter | CBS-determined | 7,500 miles; BMW-approved synthetic oil; ~6.9L capacity |
| Brake Fluid | CBS-determined (time-based) | Every 2 years; DOT 4 specification |
| Cabin Air Filter | CBS-determined | Replace as indicated; typically at service intervals |
| Automatic Transmission Fluid | Extended service interval (factory) | Specialist-recommended periodic service |
| Manual Transmission Fluid | Not specified in CBS | Level check every 12-18 months; change every 36,000 km or 3 years |
| Transfer Case Fluid | "Lifetime" (factory) | Specialist-recommended periodic service; xDrive-specific |
| Differential Fluid | "Lifetime" (factory) | Specialist-recommended periodic service; front and rear |
| Vehicle Check | CBS-determined | Comprehensive inspection when indicated |
Frequently Asked Questions
How often should I change the oil on my 2007 BMW 328xi?
The CBS system determines the interval based on your driving conditions. Independent specialists recommend changing synthetic motor oil every 7,500 miles . The N52 3.0L engine requires BMW-approved synthetic oil and has an approximate capacity of 6.9 liters .
How does the BMW Condition Based Service (CBS) system work?
CBS uses sensors and special algorithms that take the different driving conditions of your BMW into account to determine current and future service requirements . Service data is stored in the remote control key and can be read by your BMW service center . The system monitors engine oil, brake pads, brake fluid, and vehicle check requirements.
When should the brake fluid be replaced?
Brake fluid is a time-dependent service monitored by the CBS system. It is typically recommended for replacement every two years to maintain braking performance.
Does the 2007 BMW 328xi require transmission fluid service?
BMW promoted an "extended service interval" for transmission fluid . However, independent specialists recommend periodic transmission fluid changes to ensure smooth shifting and long-term reliability .
What type of engine oil does the 2007 BMW 328xi use?
The 2007 BMW 328xi requires BMW-approved synthetic oil. The N52 3.0L engine has an approximate oil capacity of 6.9 liters .
What was the original warranty coverage on the 2007 BMW 328xi?
The 2007 BMW 328xi came with a 48-month/50,000-mile free scheduled maintenance program, a 48-month/50,000-mile basic warranty, and a 144-month/unlimited-mile rust warranty . These programs have long since expired.
Where can I find detailed service information for my 2007 BMW 328xi?
The Service and Warranty Information Booklet for US models provides the definitive maintenance schedule for your specific vehicle . The vehicle's Owner's Manual also provides maintenance details, and the BMW 3 Series (E90, E91, E92, E93) Service Manual from Bentley Publishers contains in-depth maintenance and repair information.
2007 BMW 328xi Maintenance Schedule & Service Intervals
The 2007 BMW 328xi (E90/E91) is powered by the N52KP 3.0-liter naturally aspirated inline-6 engine, producing 230 horsepower and 200 lb-ft of torque, and features BMW's xDrive all-wheel-drive system . The original factory maintenance program covered 48 months or 50,000 miles, which has long since expired for this model year . A proactive, owner-funded approach is now essential for preserving the reliability and value of this vehicle.
Understanding BMW's Condition Based Service (CBS) System
The 2007 BMW 328xi is equipped with the Condition Based Service (CBS) system . Unlike conventional systems that rely on a rigid fixed schedule, this intelligent system uses sensors and special algorithms that take the driving conditions of your BMW into account to determine current and future service requirements .
What CBS Monitors
On the Control Display, you can view the remaining times or distances for selected maintenance tasks :
- Engine oil service
- Brake pads: separately for front and rear
- Brake fluid
- Vehicle check
- Legally mandated inspections depending on local regulations
Service Data in the Remote Control
Your vehicle continuously stores service-requirement information in the remote control while you are driving . Your BMW Service Advisor can read this data from the remote control unit and propose an optimized maintenance approach. Whenever you take your car in for servicing, you should hand your BMW Service Advisor the remote control unit that you last used .
Important: Make sure that the date is always set correctly; otherwise, the effectiveness of Condition Based Service CBS is not assured .
Original Factory Maintenance Coverage
The 2007 BMW 328xi was originally covered by BMW's free scheduled maintenance program for 48 months or 50,000 miles and features an extended service interval for transmission fluid . This coverage has long since expired, making owner-funded maintenance the current owner's responsibility.
Engine Oil Service
Oil Specifications
The 2007 328xi's N52 3.0L engine requires BMW-approved synthetic oil.
Approved Specifications:
- BMW Longlife-01 (LL-01)
- ACEA A3/B4
- API SN/CF
Approved Viscosity Classes:
- SAE 0W-40
- SAE 0W-30
- SAE 5W-40
- SAE 5W-30
The engine oil capacity is approximately 6.5 liters.
Oil Change Interval
Specialist Guidance: Motor oil is the single most important element in keeping your engine healthy and helping it to enjoy a long life. Pelican Parts recommends changing synthetic motor oil every 5,000 miles and always replacing the filter when changing the oil . Forum discussion notes that while BMW's free maintenance program may have allowed for intervals up to 16,000 miles, owners who plan on keeping the vehicle should change the oil every 7,000 miles for optimal engine protection .
The CBS system may allow for longer intervals based on driving conditions, but for the N52 engine, a 5,000-7,000 mile interval is recommended for optimal engine protection.
Brake Fluid Service
Recommended Interval
BMW recommends brake fluid replacement every two years as a time-dependent service . It is a good practice to change brake fluid every 24,000 miles or 36 months .
Fluid Specifications
The 2007 328xi uses brake fluid meeting DOT 4 specifications . Bosch brake fluid meets DOT 5.1, DOT 4 and DOT 3 specifications .
Service Rationale
Brake fluid is a hydraulic fluid specially formulated to withstand the extreme pressures and temperatures of your braking system . Over time, brake fluid absorbs air, moisture, sludge, and other contaminants . If brake fluid appears brown or black, it has collected significant contamination and should be replaced immediately . A brake system flush removes the existing fluid and moisture from the system and replaces it with new, clean fluid .
Cost Estimate: The estimated cost for a brake system flush on a 2007 BMW 328xi ranges from approximately $198.95 to $257.53 depending on the service provider .
Spark Plug Service
The 2007 BMW 328xi uses 6 spark plugs . NGK provides OEM-quality spark plugs for this application .
Available Spark Plug Options:
| Brand | Model | Gap |
|---|---|---|
| NGK | Laser Iridium ILZFR6D11 | .044" |
| NGK | Iridium IX LFR6AIX-11 | .044" |
| Denso | Iridium Long-Life | .043" (1.1 mm) |
| Champion | Iridium REC8WMPB4 | .044" |
| Autolite | Iridium XP | .040" |
Specifications (Denso example) :
- Thread Diameter: 14 mm
- Thread Pitch: 1.25 mm
- Seat Type: Gasket
- Reach: 26.5 mm (1.04")
- Hex Size: 5/8" (16 mm)
Service Rationale: Spark plugs typically last around 80,000 to 100,000 miles but wear out over time as the electrode material degrades . Keeping your spark plugs fresh is a very important part of keeping your car in top shape .
Transmission Fluid Service
The 2007 BMW 328xi features an extended service interval for transmission fluid . Forum discussion notes that "lifetime" transmission fluid from BMW means the life of the warranty, and owners who plan on keeping the vehicle should change the transmission fluid every 50,000 miles .
Summary of Recommended Service Intervals
| Component | OEM / CBS Guidance | Specialist Recommendation |
|---|---|---|
| Engine Oil & Filter | CBS-determined | 5,000-7,000 miles; BMW LL-01 approved synthetic oil; 6.5L capacity |
| Brake Fluid | Every 2 years | Time-dependent service; DOT 4 specification |
| Spark Plugs | CBS-determined | 6 plugs; NGK or Denso options; gap .040"-.044" |
| Transmission Fluid | Extended Service Interval | 50,000 miles (specialist recommendation) |
| Vehicle Check | CBS-determined | Comprehensive inspection when indicated |
Frequently Asked Questions
How often should I change the oil on my 2007 BMW 328xi?
Pelican Parts recommends changing synthetic motor oil every 5,000 miles and always replacing the filter when changing the oil . Forum discussion suggests changing the oil every 7,000 miles if you plan on keeping the vehicle long-term . The N52 3.0L engine requires BMW LL-01 approved synthetic oil and has a capacity of approximately 6.5 liters .
What type of engine oil does the 2007 BMW 328xi use?
The N52 engine requires BMW-approved synthetic oil meeting BMW Longlife-01 (LL-01) specifications. Approved viscosity classes include SAE 0W-40, SAE 0W-30, SAE 5W-40, and SAE 5W-30 .
How does the BMW Condition Based Service (CBS) system work?
CBS is BMW's onboard system that uses sensors and special algorithms to evaluate your driving conditions and calculate when service is required . Service data is stored in the remote control key and can be read by your BMW service center. The system monitors engine oil, brake pads, brake fluid, and vehicle check requirements .
When should the brake fluid be replaced?
BMW recommends brake fluid replacement every two years as a time-dependent service . A good practice is to change brake fluid every 24,000 miles or 36 months . If your brake fluid appears brown or black, it should be replaced immediately . The 2007 328xi uses DOT 4 brake fluid .
What spark plugs does the 2007 BMW 328xi use?
The 2007 BMW 328xi requires 6 spark plugs . Options include NGK Laser Iridium (gap .044") , NGK Iridium IX (gap .044") , Denso Iridium Long-Life (gap .043"/1.1 mm) , and Champion Iridium (gap .044") .
Does the 2007 BMW 328xi require transmission fluid service?
The 2007 BMW 328xi features an extended service interval for transmission fluid . Forum discussion suggests that "lifetime" transmission fluid means the life of the warranty, and owners should change the transmission fluid every 50,000 miles for long-term reliability .
What was the original warranty coverage on the 2007 BMW 328xi?
The 2007 BMW 328xi came with a 48-month/50,000-mile basic warranty, a 48-month/50,000-mile powertrain warranty, and free scheduled maintenance for 48 months or 50,000 miles . These programs have long since expired for this model year, making owner-funded maintenance the current owner's responsibility.
Where can I find detailed service information for my 2007 BMW 328xi?
The vehicle's Owner's Manual provides details on the CBS system and maintenance requirements . Your BMW service center can read the service data from your remote control key to determine the specific maintenance required for your vehicle .