2013 BMW 328i xDrive Service Schedule & Maintenance Guide

The 2013 BMW 328i xDrive represents the first model year of the F30-generation 3 Series sedan with all-wheel drive. It is powered by the N20 2.0-liter turbocharged inline-4 engine, which delivers 240 horsepower and 258 lb-ft of torque . The original 4-year/50,000-mile BMW Ultimate Care maintenance program has long since expired, making proactive, owner-funded maintenance essential.

Understanding BMW's Condition Based Service (CBS) System

The 2013 BMW 328i xDrive 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 .

How the CBS System Works

Sensors and special algorithms take into account the driving conditions of your vehicle. Based on this, Condition Based Service determines the maintenance requirements. The system makes it possible to adapt the amount of maintenance you need to your user profile .

Service Data in the Remote Control

Information on the required maintenance is continuously stored in the remote control while you are driving. Your service center will read out this data and suggest the right array of service procedures for your vehicle. Therefore, hand your service specialist the remote control that you used most recently .

Important: Storage periods during which the vehicle battery was disconnected are not taken into account. If this occurs, have a service center update the time-dependent maintenance procedures, such as checking brake fluid and, if necessary, changing the engine oil and the microfilter/activated-charcoal filter .

Service History

Make sure to have regular maintenance procedures recorded in the vehicle data. The entries are like a service booklet of the documentation of regular maintenance . For additional information on service requirements, consult your Service and Warranty Information Booklet for US models and Warranty and Service Guide Booklet for Canadian models .

Engine Oil Service

Oil Specifications

The N20 engine requires BMW-approved synthetic oil. Approved oils should meet BMW specifications .

Capacity: The N20 2.0L turbo engine has an oil capacity of approximately 5.3–5.5 quarts (with filter).

Approved Viscosity: Refer to your owner's manual for the specific viscosity required for your car .

Recommended Brands: Total, Motul, Red Line, and other oils meeting BMW specifications are suitable .

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 your synthetic motor oil every 5,000 miles and always replacing the filter when changing the oil .

The CBS system may allow for longer intervals based on driving conditions, but for the N20 turbocharged engine, a 5,000-mile interval is recommended for optimal engine protection, particularly for vehicles driven aggressively or in city conditions.

Brake Fluid Service

Recommended Interval

It is a good practice to change brake fluid every 24,000 miles or 36 months . Ask your mechanic to check the brake fluid (using a testing strip) every time you get an oil change. Always use a fluid recommended by your vehicle's manufacturer; do not use silicone-based brake fluids if your car needs regular brake fluid .

Fluid Specifications

The 2013 328i xDrive uses brake fluid meeting DOT 4 specifications .

Service Rationale

Brake fluid is essential for the operation of a car's brakes. When you push the brake pedal, the brake fluid causes the brake pads to press against the rotors, making the car slow down and stop . Over time, the brake fluid absorbs air, moisture, sludge, and other contaminants and gets contaminated. Air in the brake fluid causes braking to feel spongy and significantly reduces braking efficiency .

Symptoms Indicating Brake Fluid Service is Needed:

• Brake fluid appears black or brown indicating contamination
• Brake pedal feels spongy
• Diminished brake system performance

A brake system flush removes the existing fluid and moisture from the system and replaces it with new, clean fluid . A brake fluid flush ensures proper brake system performance and increases the lifespan of your brake system components .

Cost Estimate

The estimated cost for a brake system flush on a 2013 BMW 328i xDrive ranges from approximately $198 to $262 depending on the service provider .

Spark Plug Service

Recommended Interval

The original equipment spark plug reference numbers are 97506, SILZKBR8D8S, 12120039664 . These are iridium-tipped spark plugs.

Specifications:

• Gap Size: 0.032"
• Center Electrode Tip Material: Iridium
• Center Electrode Core Material: Platinum
• Replacement Interval: 80,000 to 100,000 miles

Engine Configuration

The N20 engine uses 4 spark plugs.

Service Rationale

Keeping your spark plugs fresh is a very important part of keeping your car in top shape. Spark plugs are used to ignite the fuel-air mixture in the engine's combustion chamber. Weak or worn plugs can cause misfires, rough idle, hard starts, and poor mileage .

Transmission Fluid Service

Recommended Interval

The 2013 328i xDrive uses the 8HP automatic transmission (8HP45Z, 8HP50Z, 8HP70Z, or 8HP75Z variants) . The transmission is one of the most neglected service areas on a car .

Specialist Recommendation: As per ZF's recommendations, ECS Tuning suggests performing a full service on your 8HP automatic transmission every 50,000 miles . If your vehicle is modified and makes more power than stock or if your vehicle is regularly track-driven, we recommend shorter 30,000-mile service intervals .

Service Details

A full service includes replacing the transmission fluid and the filter integrated into the transmission pan. Depending on the model, an additional liter of fluid may be necessary if you are draining your oil cooler or removing the valve body .

If left unserviced, the automatic transmission fluid will break down, causing the valve body and filter to become contaminated with deposits and sludge. This will lead to poor shifting, slipping, and ultimately, transmission failure .

Fluid Specifications

The transmission uses fluid compatible with Lifeguard 8, which is equivalent to Shell M-L12108 .

xDrive Transfer Case and Differential Fluid Service

Transfer Case Fluid

Recommended Interval: Owner consensus recommends changing the transfer case fluid by 50,000 miles. The transfer case has only about 0.6 liters of fluid, making regular changes important for preventing shuddering and expensive repairs.

Fluid Specifications: Only BMW-specified fluid should be used for the transfer case.

Differential Fluid

Recommended Interval: Owner consensus recommends changing the differential fluid by 60,000 miles. Any 75w90 gear oil is recommended for the differentials.

Cooling System Service

Recommended Interval

In general, it is a good practice to change the coolant every 40,000-50,000 miles . A cooling system flush removes scale and rust contaminants that accumulate in the coolant mixture over time, which can clog and damage the cooling system components .

Service Details

A cooling system flush involves installing flush chemical to the radiator, bringing the car to operating temperature, draining the old coolant, and refilling with a 50/50 mixture of coolant and water . Your mechanic will check for leaks and fan operation after the service .

Cost Estimate

The estimated cost for a cooling system flush on a 2013 BMW 328i xDrive ranges from approximately $454 to $698 depending on the service provider .

Timing Chain Consideration (N20 Engine)

Important: The N20 engine has a known timing chain concern. BMW issued a warranty extension covering the timing chain for up to 7 years/70,000 miles for certain vehicles . Verify with your BMW center whether your vehicle is covered and whether this service has been performed.

Symptoms of Timing Chain Issues:

• Whining noise from the lower engine area near the engine oil pump that increases frequency when increasing engine RPM
• Excessive wear on the chain and guides
• Check Engine light illuminated

Inspection

You can have a peek at the chain and upper guide by removing the oil cap and looking through the oil fill hole on the valve cover .

Repair Information

Replacement requires the front timing covers, oil pan, and top valve cover to be removed. However, due to the depth of the job and intricacies with the timing systems (VANOS), only technicians with BMW experience should perform the work. Special tools and additional parts may be required . The N20 engine is an interference design; timing chain failure can lead to catastrophic engine damage . If you notice any of these symptoms, have the vehicle inspected immediately.

Recommended Maintenance Planning Summary

Frequently Asked Questions

How often should I change the oil on my 2013 BMW 328i xDrive?

Pelican Parts recommends changing synthetic motor oil and the filter every 5,000 miles . The N20 2.0L turbo engine requires BMW-approved synthetic oil and has a capacity of approximately 5.3-5.5 quarts. The CBS system may allow for longer intervals, but a 5,000-mile interval is recommended for optimal engine protection.

What type of engine oil does the 2013 BMW 328i xDrive use?

The N20 engine requires BMW-approved synthetic oil. Refer to your owner's manual for the specific viscosity required for your car . Approved brands include Total, Motul, Red Line, and other oils meeting BMW specifications .

What spark plugs does the 2013 BMW 328i xDrive use?

The original equipment spark plug reference numbers are 97506, SILZKBR8D8S, 12120039664 . The N20 engine uses 4 spark plugs with a gap of 0.032" . Replacement interval is 80,000 to 100,000 miles .

When should the brake fluid be replaced?

It is a good practice to change brake fluid every 24,000 miles or 36 months . The 2013 328i xDrive uses DOT 4 brake fluid. If your brake fluid appears black or brown or your brake pedal feels spongy, have it inspected immediately .

When should the transmission fluid be changed?

As per ZF's recommendations, ECS Tuning suggests performing a full service on the 8HP automatic transmission every 50,000 miles . If your vehicle is modified or regularly track-driven, shorter 30,000-mile service intervals are recommended .

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. Storage periods with a disconnected battery are not accounted for by CBS; have a service center update time-dependent maintenance after such periods .

What is the N20 timing chain concern?

The N20 engine has a known timing chain concern. BMW issued a warranty extension covering the timing chain for up to 7 years/70,000 miles for certain vehicles . Symptoms of timing chain issues include a whining noise from the lower engine area that increases with RPM . Verify with your BMW center whether your vehicle is covered and whether this service has been performed. The N20 engine is an interference design; timing chain failure can lead to catastrophic engine damage .

What was the original warranty coverage on the 2013 BMW 328i xDrive?

The 2013 BMW 328i xDrive came with a 4-year/50,000-mile basic warranty and a 4-year/50,000-mile maintenance program. This maintenance coverage has long since expired for this model year.

Where can I find detailed service information?

Consult the Service and Warranty Information Booklet for US models and Warranty and Service Guide Booklet for Canadian models for additional information on service requirements . Your BMW service center can read the service data from your remote control key to determine the specific maintenance required for your vehicle. The vehicle's Owner's Manual also provides maintenance details.