Service and repair manuals for 2 model years of the BMW 645Ci, 2004 to 2005. Each manual is matched to one exact year — the specifications and procedure sequences are the ones BMW published for that year's engine and trim, not values carried across the whole production run.
Engines across the range: 4.4L V8 — 268 cu in, DOHC.
Federal safety record, all years: 0 recalls, 71 owner complaints and 16 technical service bulletins are logged for the 645Ci. Refreshed 2026-08-21.
01 / Model yearsChoose your 645Ci year
| Year | Price | Recalls | Engines | Trims | |
|---|---|---|---|---|---|
| 2005 | $40.99 | — | 4.4L V8 | Base Convertible 2-Door · Base Coupe 2-Door | select |
| 2004 | $40.99 | — | 4.4L V8 | Base Convertible 2-Door · Base Coupe 2-Door | select |
02 / InsideSample pages
From the 2005 645Ci manual.
03 / ContentsWhat the manual covers
- Quick Lookups 595
- General Information 1,705
- Accessories & Equipment 5,910
- Heating, Ventilation & A/C (HVAC) 193
- Body & Frame 2,504
- Maintenance 32
- Brakes 364
- Restraints 402
- Drivelines & Axles 62
- Steering 360
- Electrical 5,321
- Suspension 619
- Engine Mechanical 734
- Transmission 539
- Engine Performance 1,454
- Rear 310
- Oil pressure should be more than 14
04 / Other yearsOther 645Ci years
2005 BMW 645Ci · $40.99 select →
Engines: 4.4L V8 — 268 cu in, DOHC. Trims: Base Convertible 2-Door · Base Coupe 2-Door.
No recalls on federal record for the 2005 645Ci. 47 complaints · 9 TSBs.
2004 BMW 645Ci · $40.99 select →
Engines: 4.4L V8 — 268 cu in, DOHC. Trims: Base Convertible 2-Door · Base Coupe 2-Door.
No recalls on federal record for the 2004 645Ci. 24 complaints · 7 TSBs.
05 / OwnershipOwn it — don't rent it
| Option | What you pay | After a year |
|---|---|---|
| eManualStore 645Ci manual | $40.99 once | Still yours |
| Per-vehicle online subscription | from $29 / year, renewing | Pay again or lose access |
| Library membership services | $33 / month, capped | $396 spent, nothing kept |
| Professional shop databases | $499–$2,388 / year | Renew or lose access |
Competitor figures as published on their sites, August 2026.
FAQQuestions about the 645Ci manual
Which 645Ci years does this manual cover?
Every year from 2004 to 2005 — 2 separate manuals, one per model year. Pick your year in the selector; the manual you receive is matched to that exact year, engine and trim.
Is this the OEM BMW 645Ci manual or an aftermarket guide?
The OEM version. It carries the procedures, specifications, torque values and wiring diagrams BMW published for the 645Ci, organized by system — not a condensed aftermarket summary.
Does it include 645Ci wiring diagrams?
Yes. Full wiring diagrams are part of every 645Ci manual, alongside repair procedures, specifications and diagnostic information.
Why do some 645Ci years cost more?
Every 645Ci year is $40.99.
Is this a subscription?
No. One payment, and the manual is yours to keep — unlike per-vehicle subscriptions that renew every year.
How do I get the manual after purchase?
It is a digital manual — nothing ships. Access details arrive by email right after checkout, and you can use it on any device.
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