The service and repair manual for the 2021 BMW Z4 — 3.0L I6 and 2.0L I4 engines, 5 trims. Matched to this exact model year, so the specifications and sequences are the ones BMW published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 2021 |
|---|---|
| Engines | 3.0L I6 — 183 cu in, DOHC, turbocharged 2.0L I4 — 122 cu in, DOHC, turbocharged |
| Trims | M40i First Edition Convertible 2-Door · sDrive M40i Convertible 2-Door · M40i Convertible 2-Door · sDrive20i Convertible 2-Door · sDrive30i Convertible 2-Door |
| Federal record | 4 recalls · 0 complaints · 115 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2021 Z4 manual
03 / ContentsSections in the manual
- Quick Lookups 52
- Engine Performance 692
- Accessories & Equipment 3,378
- General Information 2,261
- Body & Frame 1,616
- Heating, Ventilation & A/C (HVAC) 279
- Brakes 202
- Maintenance 124
- Collision 552
- Restraints 229
- Drivelines & Axles 702
- Steering 555
- Electrical 1,419
- Suspension 560
- Engine Mechanical 1,337
- Transmission 120
04 / Known issuesRecalls on federal record for the 2021 Z4
- Electrical System — starter assembly › relay · 25V636000A short circuit in the starter relay may increase the risk of a fire.
- Seat Belts · 21V554000During a crash, a seat belt retractor that does not function as intended increases the risk of injur.
- Fuel System, Gasoline — storage › tank assembly · 20V700000The failed weld may allow fuel to leak, increasing the risk of a fire in the presence of an ignition.
- Engine · 21V598000Loss of braking assist can increase the risk of a crash.
Owners have filed 0 complaints and BMW has issued 115 technical service bulletins for the 2021 Z4. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2021 Z4 manual
Is this manual specific to the 2021 Z4?
Yes. It is the OEM manual matched to the 2021 model year, covering the 3.0L I6 and 2.0L I4 across the M40i First Edition Convertible 2-Door, sDrive M40i Convertible 2-Door, M40i Convertible 2-Door, sDrive20i Convertible 2-Door, sDrive30i Convertible 2-Door trims. Specifications and procedure sequences are the ones BMW published for this year.
What 2021 Z4 problems does it help with?
4 recalls are on federal record for the 2021 Z4, covering electrical system, seat belts, fuel system, gasoline. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by BMW dealers.
Does it include 2021 Z4 wiring diagrams?
Yes — the complete wiring diagrams for the 2021 build, alongside repair procedures, specifications and diagnostics.
Is it a subscription?
No. $40.99 once and the manual is yours. It is a digital manual — nothing ships; access details arrive by email after checkout and it works on any device.
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2024 Z4 · 2023 Z4 · 2022 Z4 · 2020 Z4 · 2019 Z4 · 2016 Z4 · 2015 Z4 · all 20 years
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