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BMW 420

Blue · Diesel · 2017 · 1,995 cc

S4 BYFMOT history

S4 BYF is a blue diesel BMW 420 first used on 27 Apr 2017. Its MOT is valid until 15 Feb 2027 and it has passed 7 of 10 MOT tests, with 124,297 miles recorded at the latest.

From DVSA MOT records, updated 16 Feb 2026.

S4 BYF blue BMW 4 Series – car details, MOT history and tax status
Illustration of a BMW 4 Series, not a photo of this vehicle
MOT
Valid
Until 15 Feb 2027
Mileage
124,297 mi
At MOT on 16 Feb 2026
MOT tests
10
7 passed · 3 failed
Per year
15,343 mi
Average between MOTs
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Vehicle details

Registration
S4 BYF
Registration format
Prefix (1983 to 2001)
Make
BMW
Model
420
Colour
Blue
Fuel type
Diesel
Engine size
1,995 cc
Year of manufacture
2017
First used
27 Apr 2017
MOT status
MOT valid until 15 Feb 2027
Latest MOT test
16 Feb 2026 (Pass)

Mileage history

S4 BYF was last recorded at 124,297 miles on 16 Feb 2026, 2 miles more than at the previous MOT on 13 Feb 2026.

Odometer reading at each MOT testPassFail
Previous MOT
124,295 miles · 13 Feb 2026
Between the last two tests
2 miles
Average per year
15,343 miles

Recorded mileage by year

  • 2026 – 124,297 miles
  • 2025 – 107,753 miles
  • 2024 – 89,411 miles
  • 2023 – 78,188 miles
  • 2022 – 66,537 miles
  • 2021 – 48,093 miles
  • 2020 – 33,856 miles

What the latest MOT found

Pass124,297 miles
  • MinorWindscreen damaged but not adversely affecting driver's view (3.2 (a) (i))Recorded at 3 MOTs since 2025
  • AdvisoryEngine undertray damagedRecorded at 2 MOTs since 2026
  • AdvisoryOffside Play in steering rack inner joint(s)Recorded at 3 MOTs since 2025
  • AdvisoryRear Tyre worn close to legal limit/worn on edge N/S and O/S starting to wear on inner edge (5.2.3 (e))Recorded at 2 MOTs since 2026

What MOT advisories mean

Recurring issues

Items recorded at more than one earlier MOT but not at the latest one. Repeat advisories can show maintenance that was put off.

  • Offside Front Inner Track rod end ball joint has slight play

    Advisory2 MOTs, 2023–2024

Full MOT history

10 tests since 26 Mar 2020, newest first. Select a test to see every defect and advisory.

  1. Pass124,297 miles (+2)1 minor3 advisories
    MOT expiry
    15 Feb 2027
    Odometer
    124,297 miles
    Test number
    477190863629
    • MinorWindscreen damaged but not adversely affecting driver's view (3.2 (a) (i))
    • AdvisoryEngine undertray damaged
    • AdvisoryOffside Play in steering rack inner joint(s)
    • AdvisoryRear Tyre worn close to legal limit/worn on edge N/S and O/S starting to wear on inner edge (5.2.3 (e))

  2. Fail124,295 miles (+16,542)3 major1 minor3 advisories
    MOT expiry
    No new certificate
    Odometer
    124,295 miles
    Test number
    864620257404
    • MajorNearside Rear Shock absorbers has a serious fluid leak (5.3.2 (b))
    • MajorOffside Rear Shock absorbers has a serious fluid leak (5.3.2 (b))
    • MajorWindscreen washer provides insufficient washer liquid (3.5 (a))
    • MinorWindscreen damaged but not adversely affecting driver's view (3.2 (a) (i))
    • AdvisoryEngine undertray damaged
    • AdvisoryOffside Play in steering rack inner joint(s)
    • AdvisoryRear Tyre worn close to legal limit/worn on edge N/S and O/S starting to wear on inner edge (5.2.3 (e))

  3. Pass107,753 miles1 minor4 advisories
    MOT expiry
    25 Mar 2026
    Odometer
    107,753 miles
    Test number
    627183516612
    • MinorWindscreen damaged but not adversely affecting driver's view (3.2 (a) (i))
    • AdvisoryFront Suspension arm pin or bush worn but not resulting in excessive movement lower frontmost arm inner bush beginning to split both sides. (5.3.4 (a) (i))
    • AdvisoryNearside Front Road wheel slightly distorted (5.2.2 (c) (i))
    • AdvisoryNearside Rear Shock absorbers has light misting of oil (5.3.2 (b))
    • AdvisoryOffside Play in steering rack inner joint(s)

  4. Fail107,751 miles (+18,340)1 dangerous1 minor6 advisories
    MOT expiry
    No new certificate
    Odometer
    107,751 miles
    Test number
    346203188915
    • DangerousNearside Front Tyre has a bulge, caused by separation or partial failure of its structure outer sidewall (5.2.3 (d) (ii))
    • MinorWindscreen damaged but not adversely affecting driver's view (3.2 (a) (i))
    • AdvisoryFront Suspension arm pin or bush worn but not resulting in excessive movement lower frontmost arm inner bush beginning to split both sides. (5.3.4 (a) (i))
    • AdvisoryNearside Front Road wheel slightly distorted (5.2.2 (c) (i))
    • AdvisoryNearside Rear Shock absorbers has light misting of oil (5.3.2 (b))
    • AdvisoryOffside Front Tyre worn close to legal limit/worn on edge outer edge worn (5.2.3 (e))
    • AdvisoryOffside Play in steering rack inner joint(s)
    • AdvisoryHeadlamp vertical aim warning intermittently comes on.

  5. Pass89,411 miles (+11,223)1 advisory
    MOT expiry
    25 Mar 2025
    Odometer
    89,411 miles
    Test number
    833563806958
    • AdvisoryOffside Front Inner Track rod end ball joint has slight play (2.1.3 (b) (i))

  6. Pass78,188 miles (+11,651)1 advisory
    MOT expiry
    25 Mar 2024
    Odometer
    78,188 miles
    Test number
    686951749005
    • AdvisoryOffside Front Inner Track rod end ball joint has slight play (2.1.3 (b) (i))

  7. Pass66,537 miles (+18,444)
    MOT expiry
    25 Mar 2023
    Odometer
    66,537 miles
    Test number
    826194516224

    No defects or advisories recorded.

  8. Pass48,093 miles
    MOT expiry
    25 Mar 2022
    Odometer
    48,093 miles
    Test number
    351005123769

    No defects or advisories recorded.

  9. Fail48,093 miles (+14,237)1 dangerous3 advisories
    MOT expiry
    No new certificate
    Odometer
    48,093 miles
    Test number
    164681729402
    • DangerousNearside Rear Tyre has ply or cords exposed (5.2.3 (d) (ii))
    • AdvisoryFront Brake pad(s) wearing thin (1.1.13 (a) (ii))
    • AdvisoryOffside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
    • AdvisoryRear Brake pad(s) wearing thin (1.1.13 (a) (ii))

  10. Pass33,856 miles
    MOT expiry
    25 Mar 2021
    Odometer
    33,856 miles
    Test number
    185654836303

    No defects or advisories recorded.

Questions about S4 BYF

Does S4 BYF currently have a valid MOT?
Yes. DVSA records show the MOT on S4 BYF is valid until 15 Feb 2027.
When is the MOT due on S4 BYF?
The MOT on S4 BYF is valid until 15 Feb 2027. It can be tested up to a month (minus a day) before then and keep the same renewal date.
What mileage has S4 BYF done?
S4 BYF was recorded at 124,297 miles at its MOT on 16 Feb 2026, an average of 15,343 miles a year.
Has S4 BYF ever failed its MOT?
Yes. S4 BYF has failed 3 of its 10 MOT tests, most recently on 13 Feb 2026.
Has the mileage on S4 BYF ever gone down?
No. The odometer reading went up or stayed the same at every MOT test on record. Service records are still worth checking.
What did the latest MOT on S4 BYF find?
S4 BYF passed its latest MOT on 16 Feb 2026 with 1 minor defect and 3 advisories: windscreen damaged but not adversely affecting driver's view; engine undertray damaged; offside play in steering rack inner joint(s), and 1 more.

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Contains DVSA MOT history data, public sector information licensed under the Open Government Licence v3.0. Driver Codes is not affiliated with DVSA or DVLA.