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N21 SMM

2004 BMW Z4

Black Petrol 2979cc
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MOT Status

Valid
Expires19 Jun 2027
Tests25 (19 pass, 6 fail)
Pass rate76%

Mileage

97,335 mi
Last recorded97,335 miles
Recorded on6 Jun 2026
Typical for 2004 BMW Z466,558 mi

Significantly above average — investigate

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

RegistrationN21 SMM
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

19 pass 6 fail
Pass 6 Jun 2026 97,335 miles

Fuel cap seal splitting

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

Nearside Headlamp lens slightly defective Glazed (4.1.1 (b) (i))

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

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

Pass 20 Jun 2025 95,636 miles
Pass 7 Aug 2024 91,797 miles

Front Registration plate deteriorated but not likely to be misread (0.1 (b))

Fuel cap seal deteriorated

Offside Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))

Play in steering rack inner joint(s)

Rear Brake pipe corroded, covered in grease or other material Both front to rear pipes (1.1.11 (c))

Rear Valve stem slightly damaged Both (5.2.3 (j))

Fail 30 Jul 2024 91,787 miles

Electronic stability control warning lamp indicates a fault (7.12 (e))

Front Registration plate deteriorated but not likely to be misread (0.1 (b))

Fuel cap seal deteriorated

Offside Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))

Play in steering rack inner joint(s)

Rear Brake pipe corroded, covered in grease or other material Both front to rear pipes (1.1.11 (c))

Rear Valve stem slightly damaged Both (5.2.3 (j))

Pass 2 May 2023 86,512 miles

Brake pipe corroded, covered in grease or other material Both front to rear pipes (1.1.11 (c))

Front Registration plate deteriorated but not likely to be misread (0.1 (b))

Front Tyre worn close to legal limit/worn on edge Both worn on inner edge (5.2.3 (e))

Nearside Front Tyre has a cut but not deep enough to reach the ply or cords (5.2.3 (d) (i))

Offside Front Valve stem slightly damaged (5.2.3 (j))

Offside Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))

Rear Valve stem slightly damaged Both (5.2.3 (j))

Fail 24 Apr 2023 86,498 miles

Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h))

Exhaust emissions likely to be affected by an induction leak Post mass air flow sensor intake boot (8.2.1.1 (b))

Brake pipe corroded, covered in grease or other material Both front to rear pipes (1.1.11 (c))

Front Registration plate deteriorated but not likely to be misread (0.1 (b))

Front Tyre worn close to legal limit/worn on edge Both worn on inner edge (5.2.3 (e))

Nearside Front Tyre has a cut but not deep enough to reach the ply or cords (5.2.3 (d) (i))

Offside Front Valve stem slightly damaged (5.2.3 (j))

Offside Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))

Rear Valve stem slightly damaged Both (5.2.3 (j))

Pass 7 Apr 2022 81,196 miles
Pass 15 Apr 2021 76,376 miles

Front Suspension arm ball joint has slight play n/s and o/s (5.3.4 (a) (i))

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

Fail 14 Apr 2021 76,375 miles

Front Suspension arm pin or bush excessively worn n/s and o/s lower arm rear bushes (5.3.4 (a) (i))

Front Suspension arm ball joint has slight play n/s and o/s (5.3.4 (a) (i))

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

Pass 17 May 2019 70,725 miles

Front Suspension arm pin or bush worn but not resulting in excessive movement o/s and n/s bottom arm rear bush (5.3.4 (a) (i))

Pass 21 May 2018 65,775 miles

Front Tyre slightly damaged/cracking or perishing o/s & n/s (5.2.3 (d) (i))

Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (i))

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

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

Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (i))

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

Pass 18 May 2017 58,667 miles

Front Lower Suspension arm rubber bush deteriorated but not resulting in excessive movement rear o/s & n/s (2.4.G.2)

tyres perishing

under trays fitted

Pass 5 May 2016 50,991 miles
Pass 20 May 2015 47,491 miles
Fail 19 May 2015 47,488 miles

Nearside Rear coil spring broken (2.4.C.1a)

Offside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt (2.4.G.2)

Offside Rear coil spring broken (2.4.C.1a)

Pass 19 Jan 2015 46,643 miles

Nearside Front Brake pad(s) wearing thin (3.5.1g)

Nearside Rear Shock absorber has slight external damage to the casing (2.7.2a)

Offside Front Brake pad(s) wearing thin (3.5.1g)

rear shock absorbers worn.

Fail 10 Dec 2013 43,525 miles

Front Brake pad(s) wearing thin (3.5.1g)

Nearside Rear Headlamp aim too low (1.8)

Offside Front Headlamp aim too low (1.8)

Rear brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)

Pass 10 Dec 2013 43,525 miles

Front Brake pad(s) wearing thin (3.5.1g)

Rear brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)

Pass 3 Dec 2012 39,704 miles

Engine covers fitted obscuring some components in the engine bay

Front Brake pad(s) wearing thin (3.5.1g)

Nearside Front Tyre worn close to the legal limit (4.1.E.1)

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

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

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

Under-trays fitted obscuring some underside components

Pass 16 Nov 2011 35,073 miles

Nearside Front Tyre worn close to the legal limit (4.1.E.1)

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

Pass 17 Nov 2010 31,520 miles

Nearside Front Lower Suspension arm has slight play in a ball joint (2.4.G.2)

Nearside Front Tyre worn close to the legal limit (4.1.E.1)

Offside Front Lower Suspension arm has slight play in a ball joint (2.4.G.2)

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

Pass 17 Nov 2009 28,087 miles
Fail 17 Nov 2009 28,087 miles

Front Suspension arm rubber bush deteriorated resulting in excessive movement (2.4.G.2)

Pass 12 Nov 2008 23,566 miles
Pass 16 Nov 2007 19,403 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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Not all vehicle check providers are the same. Some don't offer a data guarantee, which means if their information is wrong, you're on your own. Every CarVerify report is backed by a £30,000 finance data guarantee.

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N21 SMM is a 2004 BMW Z4 in Black with a 2,979cc petrol engine. This vehicle has been through 25 MOT tests with a personal pass rate of 76%.

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 a lower pass rate than the average for its year, which may indicate maintenance issues worth investigating.

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 N21 SMM, 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 N21 SMM?

You can check the full history of N21 SMM by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was N21 SMM registered?

N21 SMM is a 2004 BMW Z4, first registered on 1 December 2004.

Is N21 SMM safe to buy?

The MOT history for N21 SMM shows 25 tests with a 76% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does N21 SMM 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 N21 SMM. 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.