2013 BMW 750Li Complete Maintenance Schedule & Service Guide

Key Takeaways

• The 2013 BMW 750Li is powered by the N63TU 4.4-liter twin-turbocharged V8 engine, part of the F02 long-wheelbase 7 Series generation produced from 07/2012 to 07/2013 .
• A BMW Service Action reduced the engine oil service interval to 10,000 miles or 12 months for affected N63TU vehicles to ensure consistency with all other N63-equipped models .
• Spark plugs require replacement at 60,000 miles and again at 120,000 miles, following BMW's recommended interval for the N63 engine .
• Oxygen sensors are scheduled for replacement at 120,000 miles and 150,000 miles to maintain fuel efficiency and emissions performance .
• Brake fluid should be replaced every two years following BMW's standard time-based recommendation .
• The N63TU engine may exhibit oil consumption; owners report that switching to 5W-40 viscosity can help reduce consumption compared to 5W-30 .
• Transmission service intervals are a subject of debate, but routine inspection is recommended by BMW .

Introduction: Understanding Your 2013 750Li's Service Requirements

The 2013 BMW 750Li is the extended-wheelbase flagship of the F02-generation 7 Series, powered by the N63TU 4.4-liter twin-turbocharged V8 engine. This model year represents the first full production year for the N63TU engine (produced from 07/2012 to 07/2013), which brought significant updates over the earlier N63 .

BMW employs a Condition Based Service (CBS) system that uses sensors and algorithms to monitor driving conditions, vehicle usage, and component wear to determine when maintenance is required. Rather than rigid fixed intervals, the system adapts service timing to your actual driving profile.

A formal BMW Service Action was issued for 2013 N63TU vehicles to standardize the engine oil service interval at 1 year or 10,000 miles, consistent with all other N63x engine-equipped vehicles . This adjustment was implemented through reprogramming of the vehicle's control units.

This guide presents verified OEM maintenance information alongside conservative owner-recommended intervals for those seeking maximum vehicle longevity.

BMW Factory Maintenance Overview

Condition Based Service (CBS) System

The 2013 750Li uses CBS to track maintenance needs through sensors that monitor:

• Engine oil condition based on driving style and distance
• Brake pad wear through electronic sensors
• Brake fluid age
• Spark plug service requirements
• Vehicle inspection intervals

Service reminders appear in the instrument cluster and iDrive display when maintenance is due.

Standard OEM Service Intervals

Based on available OEM documentation and manufacturer guidance, the following maintenance intervals apply to the 2013 BMW 750Li:

Engine Oil Change Guidance

Factory Interval Confirmed

For the 2013 BMW 750Li's N63TU engine, BMW has confirmed the oil service interval at 10,000 miles or 12 months through a formal Service Action affecting vehicles produced from 07/2012 to 07/2013 . This interval was standardized to bring affected vehicles in line with all other N63x engine-equipped BMW models.

The oil service interval is displayed through the CBS system and can be confirmed via the vehicle's iDrive. If your vehicle still indicates a longer interval, a dealer software update (programming of control units) may be required to implement the updated interval .

Oil Specifications

The N63TU engine requires synthetic oil meeting BMW Longlife-01 (LL-01) specifications. Common viscosities include:

• 0W-30 (factory preference)
• 5W-30
• 5W-40 (reported by owners to reduce oil consumption in N63TU engines)

The engine has a capacity of approximately 9.0 quarts (8.5 liters) with filter . The oil drain plug torque specification is 25 Nm (18 lb-ft) .

Oil Consumption Considerations

The N63TU engine has been reported by some owners to exhibit oil consumption. Forum reports indicate that consumption of approximately 1 quart every 750 miles has been noted by some owners, though the range varies significantly between vehicles . An owner report noted that adding 15 quarts between oil changes was documented by a dealer before significant engine work was performed .

Owner-reported mitigation strategies include:

• Switching from 5W-30 to 5W-40 viscosity oil
• Changing oil at 4,500-5,000-mile intervals
• Regular oil level monitoring between changes

One owner reported that using 5W-40 resulted in no oil loss between changes, whereas the dealer-used 5W-30 resulted in consumption of approximately 1 quart every 1,000 miles .

Signs You May Need an Oil Change Sooner

Your 750Li may need an oil change before the scheduled interval if you experience:

• Illuminated check engine or oil warning light
• Knocking sounds from the engine
• Oil smell inside the vehicle
• Excessive exhaust output

Spark Plug Replacement Timing

Factory Schedule

The 2013 BMW 750Li's spark plugs are officially scheduled for replacement at 60,000 miles and again at 120,000 miles .

BMW has recommended a 60,000-mile replacement interval for N55 and N63 engine spark plugs since the engine's introduction . The engine requires eight spark plugs.

Replacement Considerations

When replacing spark plugs:

• Use BMW-approved OEM parts designed for the N63TU engine
• Replacement should be performed by a qualified technician

Conservative Owner Recommendations

Some owners and specialists recommend earlier replacement to maintain optimal performance:

• 30,000-40,000 miles for performance preservation
• Replacement recommended when experiencing rough idle, misfires, or reduced fuel economy

Faulty spark plugs can harm performance and fuel mileage, affect drivability and engine smoothness, and shorten the lifespan of oxygen sensors and catalytic converters due to unburnt fuel in the exhaust .

Brake Service Recommendations

Brake Fluid Replacement

BMW mandates brake fluid replacement at regular intervals. The time-based interval is critical for safety because brake fluid absorbs moisture over time, which can reduce braking performance and cause corrosion in the brake system.

Brake Inspection Interval

BMW recommends that front and rear brakes be inspected as part of regular service intervals. Brake pads and rotors are wear items that should be checked regularly.

Signs of Brake Problems

Watch for these symptoms indicating brake service may be needed:

• Unusual noises when braking
• Vibrating pedal or steering wheel
• Burning smell from the tires
• Dashboard brake warning light
• A feeling that something is not right

Oxygen Sensor Replacement

The factory schedule specifies oxygen sensor replacement at:

• 120,000 miles
• 150,000 miles

Replacing oxygen sensors at these intervals helps maintain fuel efficiency and emissions performance. Unburnt fuel from worn spark plugs can shorten the lifespan of oxygen sensors .

Transmission Service Guidance

BMW's Position

BMW recommends routine inspection of the transmission system . The 2013 750Li uses a ZF 8-speed automatic transmission that requires fluid compatible with Lifeguard 8 specification for 2013-15 models .

Service Interval Considerations

Some technicians recommend having your BMW's transmission fluid checked and replaced between 30,000 and 60,000 miles, though this timeline can vary depending on how your vehicle is used and manufacturer recommendations .

Transmission Warning Signs

Be alert for these symptoms indicating potential transmission issues:

• Shifting delays
• Grinding or jumping during acceleration
• Shakiness or vibration
• Whistling noises
• Burning smell from under the hood
• Decreased fuel economy

Common Causes of Transmission Issues

Transmission fluid can leak over time due to:

• Worn or damaged seals
• Loose or damaged transmission pan
• Cracked transmission housing
• Faulty transmission cooler lines
• Overfilled transmission

Additional Service Considerations

Coolant System

• Coolant replacement: Every 3-4 years using BMW-approved coolant
• Regular coolant level monitoring is recommended

Engine Air Filter

The engine air filter should be replaced as part of regular scheduled maintenance to ensure proper engine breathing and fuel efficiency.

Fuel Filter

Regular fuel filter replacement helps maintain fuel system performance.

Battery

Batteries generally need to be replaced every three to five years . Depending on climate and driving habits, your 750Li may need a replacement battery sooner. Short trips and extreme temperatures can shorten battery life .

Wheel Alignment

Wheel alignment should be checked regularly, particularly after driving over potholes or rough roads. Symptoms of alignment issues include:

• Vehicle pulling to one side
• Uneven or rapid tire wear
• Steering wheel off-center while driving straight

Summary: Factory vs. Conservative Maintenance

Frequently Asked Questions

How often should I change the oil in my 2013 BMW 750Li?

BMW has confirmed the oil service interval at 10,000 miles or 12 months for N63TU-equipped vehicles through a Service Action . Many owners choose to change oil at 5,000-7,500 miles for added engine protection, particularly using 5W-40 viscosity to help manage oil consumption .

When do spark plugs need to be replaced?

BMW's factory maintenance schedule specifies spark plug replacement at 60,000 miles and again at 120,000 miles . Some owners choose to replace them at 30,000-40,000 miles to maintain optimal performance.

Does the 2013 BMW 750Li require transmission fluid changes?

BMW recommends routine transmission inspection . Some technicians recommend checking and replacing transmission fluid between 30,000 and 60,000 miles, depending on usage . The 2013-15 models use fluid compatible with ZF Lifeguard 8 specification .

When should brake fluid be changed?

BMW recommends brake fluid replacement according to the standard time-based interval. This interval is critical for safety, as brake fluid absorbs moisture over time.

When do oxygen sensors need replacement?

The factory schedule calls for oxygen sensor replacement at 120,000 miles and again at 150,000 miles .

How often should brake components be inspected?

Brake pads and rotors should be inspected as part of regular service intervals. Signs of brake problems include unusual noises, vibrating pedal, or dashboard warning lights.

What type of oil does the 2013 750Li use?

The N63TU engine requires synthetic oil meeting BMW Longlife-01 (LL-01) specifications. Common viscosities include 0W-30, 5W-30, and 5W-40. The engine capacity is approximately 9.0 quarts (8.5 liters) with filter . Many owners report reduced oil consumption with 5W-40 .

How long does the battery last in a 2013 BMW 750Li?

Batteries generally last three to five years . Extreme temperatures and short trips can shorten battery life.

What was the BMW Service Action for the 2013 750Li?

A Service Action affected 2013 N63TU vehicles (produced 07/2012-07/2013) and reduced the CBS engine oil service interval to 1 year/10,000 miles to make these vehicles consistent with all other N63x engine-equipped vehicles . This was implemented through programming of vehicle control units.

Should I follow BMW's CBS system or fixed intervals?

BMW's Condition Based Service system provides personalized maintenance timing based on actual driving conditions. Many owners choose to supplement CBS with conservative fixed intervals for critical services like oil changes. Using both approaches provides the best protection for your 750Li.