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A21 SUM

2004 BMW Z4

Black Petrol 2979cc
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MOT Status

Valid
Expires6 Jul 2027
Tests19 (16 pass, 3 fail)
Pass rate84.2%

Mileage

93,039 mi
Last recorded93,039 miles
Recorded on25 Jun 2026
Typical for 2004 BMW Z466,558 mi

Above average mileage for this year

4 checks still locked for this BMW
Stolen
Finance
Write-off
Keepers
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Vehicle Details

RegistrationA21 SUM
MakeBMW
ModelZ4
Year2004
ColourBlack
Fuel typePetrol
Engine2,979cc

All premium checks include

50+ data points
Finance Check (Experian) Insurance Write-off Salvage Auction Stolen Check Previous Owners Ex-Taxi, Police, NHS Mileage Anomaly Import / Export Scrapped Check Plate Changes

MOT History

16 pass 3 fail
Pass 25 Jun 2026 93,039 miles

Front Brake pipe corroded, covered in grease or other material n/s and o/s (1.1.11 (c))

Fail 24 Jun 2026 93,039 miles

Offside Front Brake pad(s) incorrectly mounted (1.1.13 (c)) DANGEROUS

Front Brake pipe corroded, covered in grease or other material n/s and o/s (1.1.11 (c))

Pass 27 Jun 2025 92,019 miles
Fail 26 Jun 2025 92,016 miles

Nearside Rear Brake pipe excessively corroded along floor pan to brake hose nsr (1.1.11 (c))

Nearside Rear Brake pipe excessively corroded along floor pan to brake hose osr (1.1.11 (c))

Nearside Front Lower Suspension arm ball joint has slight play (5.3.4 (a) (i))

Nearside Rear Registration plate lamp inoperative in the case of multiple lamps or light sources (4.7.1 (b) (i))

Offside Front Lower Suspension arm ball joint has slight play (5.3.4 (a) (i))

Pass 15 Jun 2024 89,225 miles
Pass 7 Jul 2023 84,613 miles
Pass 23 Sep 2022 83,860 miles

Brake pipe corroded, covered in grease or other material both front to rears,unable to fully access due to under tray (1.1.11 (c))

Offside Front Headlamp lens slightly defective (4.1.1 (b) (i))

Oil leak, but not excessive (8.4.1 (a) (i))

Pass 21 Sep 2021 80,220 miles

Both front exhaust flanges deteriorated

Brake pipe corroded, covered in grease or other material Both front to rears, unable to fully access due to under tray (1.1.11 (c))

Fuel cap sealing ring deteriorated

Nearside Front Tyre slightly damaged (5.2.3 (d) (ii))

Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Offside Headlamp lens slightly defective (4.1.1 (b) (i))

Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Oil leak, but not excessive (8.4.1 (a) (i))

Pass 14 Sep 2020 75,905 miles

Nearside Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Nearside Front Brake pad(s) wearing thin (1.1.13 (a) (ii))

Nearside Front Windscreen wiper blade defective (3.4 (b) (i))

Nearside Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Offside Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Offside Front Brake pad(s) wearing thin (1.1.13 (a) (ii))

Offside Front Windscreen wiper blade defective (3.4 (b) (i))

Offside Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Oil leak, but not excessive (8.4.1 (a) (i))

fuel cap seal slightly deteriorated

Pass 12 Sep 2019 74,647 miles

Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Oil leak, but not excessive Gearbox area (8.4.1 (a) (i))

Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Pass 12 Sep 2018 70,552 miles

Nearside Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Nearside Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Nearside headlamp slightly insecure

Offside Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Offside Front Nail in tyre

Offside Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Oil leak, but not excessive (8.4.1 (a) (i))

Oil leak, but not excessive (8.4.1 (a) (i))

Pass 21 Jul 2017 68,287 miles

Nearside Front Suspension arm rubber mounting deteriorated but not resulting in excessive movement rear bush (2.4.G.2)

Offside Front Suspension arm rubber mounting deteriorated but not resulting in excessive movement rear bush (2.4.G.2)

slight oil leak gearbox

Pass 19 Jul 2016 60,660 miles

Items removed from driver's view prior to test

Offside Rear Tyre worn close to the legal limit (4.1.E.1)

Windscreen has damage to an area less than a 40mm circle outside zone 'A' (8.3.1d)

Fail 16 Jul 2016 60,553 miles

Nearside Headlamp cleaning device inoperative (1.7.2)

Items removed from driver's view prior to test

Offside Rear Tyre worn close to the legal limit (4.1.E.1)

Windscreen has damage to an area less than a 40mm circle outside zone 'A' (8.3.1d)

Pass 14 Nov 2014 48,343 miles

Under-trays fitted obscuring some underside components

Pass 19 Nov 2013 44,165 miles
Pass 14 Nov 2012 39,155 miles

rear brake pads getting low

Pass 16 Nov 2011 34,313 miles

both rear brake discs worn

Pass 17 Nov 2010 29,063 miles

How Reliable is the BMW Z4?

Based on 699,787 MOT tests across 46,739 vehicles.

79.5%
Pass Rate
3,672
Miles/Year
23
Year Lifespan
46,739
On UK Roads

Top MOT Failure Points

Tyre tread depth below requirements of 1.6mm 14,961
coil spring broken 6,689
Tyre has ply or cords exposed 5,893
Brake pipe excessively corroded 5,843
coil spring fractured 5,828
Full BMW Z4 reliability report

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A21 SUM is a 2004 BMW Z4 in Black with a 2,979cc petrol engine. This vehicle has been through 19 MOT tests with a personal pass rate of 84.2%.

Across all 2004 BMW Z4 models, the average MOT pass rate is 76.2% with a typical mileage of 66,558 miles. This particular vehicle has performed better than the average for its year.

The most common reason a BMW Z4 fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 14,961 recorded failures. If you're considering buying A21 SUM, it's worth having these areas checked by a mechanic before committing.

The BMW Z4 typically stays on UK roads for around 23 years. At 22 years old, this BMW Z4 is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of A21 SUM?

You can check the full history of A21 SUM by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was A21 SUM registered?

A21 SUM is a 2004 BMW Z4, first registered on 28 April 2004.

Is A21 SUM safe to buy?

The MOT history for A21 SUM shows 19 tests with a 84.2% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does A21 SUM have outstanding finance?

Finance checks require a premium vehicle report. This checks against all major UK finance providers to see if there is any outstanding finance on A21 SUM. If you buy a car with outstanding finance, the finance company can repossess it.

No warranty or guarantee of accuracy is provided for any free data on this page. The data guarantee applies only to information obtained through the purchase of a full check.