The service and repair manual for the 1991 BMW 525i — the 2.5L I6 engine, 1 trim. 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 | 1991 |
|---|---|
| Engines | 2.5L I6 — 152 cu in, DOHC |
| Trims | Base Sedan 4-Door |
| Federal record | 1 recall · 21 complaints · 4 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 1991 525i manual
03 / ContentsSections in the manual
- Quick Lookups 88
- General Information 1,524
- Accessories & Equipment 73
- Heating, Ventilation & A/C (HVAC) 186
- Body & Frame 37
- Maintenance 101
- Brakes 136
- Restraints 90
- Drivelines & Axles 100
- Steering 79
- Electrical 149
- Suspension 174
- Engine Mechanical 154
- Transmission 448
- Engine Performance 721
- Steering Wheel Nut 59
04 / Known issuesRecalls on federal record for the 1991 525i
- Engine And Engine Cooling — cooling system · 98V178000If a crack were to form or a seam were to separate in the heater core end piece, hot coolant could s.
Owners have filed 21 complaints and BMW has issued 4 technical service bulletins for the 1991 525i. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 1991 525i manual
Is this manual specific to the 1991 525i?
Yes. It is the OEM manual matched to the 1991 model year, covering the 2.5L I6 across the Base Sedan 4-Door trims. Specifications and procedure sequences are the ones BMW published for this year.
What 1991 525i problems does it help with?
1 recall is on federal record for the 1991 525i, covering engine and engine cooling. 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 1991 525i wiring diagrams?
Yes — the complete wiring diagrams for the 1991 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.
RelatedOther 525i years and 1991 BMW models
1995 525i · 1994 525i · 1993 525i · 1992 525i · 1990 525i · 1989 525i · all 17 years
1991 BMW 318i · 1991 BMW 318is · 1991 BMW 320i · 1991 BMW 325i · 1991 BMW 325iX · 1991 BMW 325is · 1991 BMW 535i · 1991 BMW 735i · 1991 BMW 735iL · 1991 BMW 750iL · 1991 BMW 850i · 1991 BMW M3 · every 1991 model