BMW 4 Series service: key facts
- Oil service every 10,000 miles or 1 year
- Basic service costs £120–£320 depending on garage
- DCT transmission service: £400–£600 — don't skip this one
- 3 generations from 2013 to 2024
- 9 tracked service items across routine, major, and periodic schedules
Routine service items
These are the items covered in a standard service. Most garages include oil, oil filter and a basic inspection. The rest are typically checked or replaced on a schedule.
| Service item | Interval | Typical cost |
|---|---|---|
|
Engine oil and filter
BMW Longlife-01 or Longlife-04 specification required depending on engine.
F32, F82, G82
|
10,000 miles or 1 year |
£120–£180
Dealer: £200–£320
|
|
Air filter
Genuine BMW or Mann filter recommended. Turbocharged engines require clean airflow for optimal performance. Inspect at each service - may need earlier replacement in dusty conditions.
F32, F82, G82
|
30,000 miles or 4 years |
£50–£80
Dealer: £80–£120
|
|
Cabin pollen filter
Located behind glovebox. Activated carbon filter recommended for city driving. Blocked filter reduces HVAC efficiency and can cause interior condensation issues.
F32, F82, G82
|
30,000 miles or 2 years |
£40–£70
Dealer: £70–£110
|
|
Fuel filter
Critical for diesel engines to prevent injector damage from contaminated fuel. Include water sensor replacement. Poor fuel quality may require earlier replacement.
F32 · N47, B47, N57
|
60,000 miles or 6 years |
£120–£180
Dealer: £200–£300
|
Major service items
These are the big-ticket items. Miss them and you risk engine or gearbox damage. The costs are higher but the consequences of skipping are much worse.
| Service item | Interval | Typical cost |
|---|---|---|
|
DCT transmission service
Essential for DCT longevity. Includes fluid and filter change using BMW DCT fluid. Track-driven cars benefit from 40k mile intervals. Adaptation reset required after service.
F82 · S55
|
60,000 miles or 6 years |
£400–£600
Dealer: £700–£1000
|
Has this BMW 4 Series been serviced on schedule?
Check the dealer service records to see if the work above was actually done.
£6.99 · Full refund if no records found
Periodic maintenance
Items that don't need doing at every service but should be on your radar at the right mileage or age.
| Service item | Interval | Typical cost |
|---|---|---|
|
Brake fluid
DOT 4 specification required. Essential for maintaining brake pedal feel and preventing internal corrosion. Track-driven M4s should consider annual replacement due to higher brake temperatures.
F32, F82, G82
|
2 years |
£80–£120
Dealer: £150–£200
|
|
Spark plugs
NGK or Bosch plugs to BMW specification. Turbo engines are sensitive to incorrect heat range. Replace ignition coils at the same time if over 80,000 miles to prevent misfires damaging new plugs.
F32, F82, G82
|
60,000 miles or 6 years |
£200–£300
Dealer: £350–£500
|
|
Coolant flush
BMW Longlife-12+ coolant required.
F32, F82, G82
|
100,000 miles or 10 years |
£150–£250
Dealer: £300–£450
|
|
DPF forced regeneration
Required when DPF becomes saturated from short journeys.
F32 · N47, B47, N57
|
As needed |
£80–£150
Dealer: £150–£250
|
Buying a used BMW 4 Series? Check its service history first.
A 4 Series with a patchy service history can cost you thousands in missed timing belts, skipped oil changes, and hidden neglect. We pull the franchised dealer records — every visit, every stamp, every mileage reading — so you can see exactly what's been done and what's been skipped.
£6.99 · No records found = full refund, zero risk
Related
- BMW 4 Series buyer's guide
- BMW 4 Series service history check
- BMW 4 Series common problems & known issues
- BMW 4 Series MOT failure rates
- BMW 4 Series price guide
- How to check BMW service history
- BMW 4 Series car check £7.49
- Free BMW 4 Series faults check
- Free MOT failure rate check
- Free car check
- What does "full service history" actually mean?
- How service history affects car values
BMW 4 Series service FAQs
How often does a BMW 4 Series need servicing?
A BMW 4 Series needs servicing every 10,000 miles or 1 year, whichever comes first. BMW Longlife-01 or Longlife-04 specification required depending on engine.
What does a BMW 4 Series service cost?
A basic service at an independent garage costs £120–£180. Main dealer servicing runs £200–£320. Major items like timing belts or gearbox services cost significantly more. Independent garages are typically 30 to 50% cheaper for the same work.
Is a BMW 4 Series expensive to maintain?
Routine servicing starts from £120 at an independent garage, which is above average for this class of car. The bigger costs come from periodic items like timing belts, brake fluid changes, and transmission servicing. Keeping on top of the schedule avoids expensive failures.
How do I check a BMW 4 Series's service history?
You can check any BMW 4 Series's dealer service records online using just the registration number. The check retrieves every logged dealer visit, including dates, mileage, and work done, so you can see whether the schedule has been followed or if there are gaps. It costs £6.99 and you get a full refund if no records are found.