BMW 5 Series 530i Engine ReplacementCompare Prices & Get Quotes
Looking for a BMW 5 Series 530i engine replacement- Get quotes today from trusted UK BMW 530i engine specialists and compare prices on reconditioned, rebuilt and used engines for your E12, E28, E34, E39, E60, F10 or G30 530i.
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12-Month Warranty
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From £1,500 to £3,200 [ESTIMATED - using M54B30 as proxy]
Used from £700 · Reconditioned from £1,500 · Common codes: M30B30, M60B30, M54B30, N52B30, N53B30, B48B20
From £700
Tested, bare/short engine
From £1,500
Rod bearings addressed, tested
From quote
Upgraded bearings, full teardown, revised valvetrain

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3 Simple Steps3 Simple Stepsto Finding the Best BMW 5 Series 530i Replacement Engineto Finding the Best BMW 5 Series 530i Replacement Engine
Most replacements completed within 3-5 days.
BMW 5 Series 530i - Engine History & Specs at a Glance
The BMW 530i has been a mainstay of the 5 Series range since the 1970s, evolving from the original M30 'big six' through V8 and modern turbocharged four-cylinder powerplants. Across seven generations, the 530i badge has consistently represented the sweet spot between performance and refinement in the executive saloon market.

BMW 5 Series 530i - Engine History & Specs at a Glance
The BMW 530i has been a mainstay of the 5 Series range since the 1970s, evolving from the original M30 'big six' through V8 and modern turbocharged four-cylinder powerplants. Across seven generations, the 530i badge has consistently represented the sweet spot between performance and refinement in the executive saloon market.
BMW 5 Series 530i
Engine History Timeline
E12 530i launched with M30B30 3.0L inline-six producing 176-188hp (Bosch L-Jetronic fuel injection)
E28 530i continues with M30B30 3.0L inline-six 184hp
E34 530i introduced with M30B30 3.0L inline-six 188hp
E34 530i gains M60B30 3.0L V8 218hp - first V8 in a 5 Series
E39 530i debuts M54B30 3.0L inline-six 231hp
E60 530i launches with N52B30 3.0L inline-six 258hp
E60 LCI 530i switches to N53B30 3.0L inline-six 272hp
F10 530i continues with N53B30 3.0L inline-six 272hp (Europe only)
G30 530i introduces B48B20 2.0L turbocharged four-cylinder 252hp
Key Specs Snapshot
Every engine fitted to the BMW 5 Series 530i is covered below, with UK rebuilt pricing and known failure points.
BMW 5 Series 530i Engine Codes - Specifications & Replacement CostBMW 5 Series 530i Engine Codes - Specifications & Replacement Cost
3.0L Petrol Inline-Six (E12: 1976-1981, E28: 1981-1988, E34: 1988-1992)
Compatible Trim Levels
- 530i
- 530i SE
- 530i Lux

Find your exact engine code, specs and UK replacement cost guide.
Used
Tested, ready-to-fit engine
£600-£1,100
Reconditioned
Addressed known issues, tested
£1,200-£1,800
Rebuilt
Full teardown, upgraded internals
£1,800-£2,800
Common Failure
The M30B30 is one of BMW's most durable engines, but age-related cooling system deterioration (radiator, water pump, thermostat) and vacuum leaks are common on higher-mileage examples. The mechanical fuel injection system can develop faults with age.


The BMW 530i has been powered by six different engine families across its long production run, each with its own character and common issues. While generally reliable, age-related cooling system failures and oil leaks are the most frequent concerns for UK owners. A rebuilt 530i engine through EnginesMarket includes upgraded components addressing the original failure point, plus a minimum 12-month unlimited-mileage warranty.

Why the BMW 5 Series 530i Overheats
Affected Vehicles
BMW 5 Series 530i (all generations, all engine codes)
Typical Failure Mileage
60k-120k (age-related)
Root Cause
The plastic expansion tanks, water pumps, and thermostats degrade with age and mileage, leading to coolant loss and overheating. This is the single most common failure across all 530i generations.
Why It Happens
The plastic expansion tanks, water pumps, and thermostats degrade with age and mileage, leading to coolant loss and overheating. This is the single most common failure across all 530i generations.
Dealer (parts + labour)
£500-£1,000
Specialist (parts + labour)
£300-£600
What it involves
Replacement expansion tank, water pump, thermostat, hoses, coolant flush
Suitability
Ideal preventative maintenance on cars over 60k miles
Dealer (parts + labour)
£3,500-£5,500
Specialist (parts + labour)
£2,200-£4,500
What it involves
Supply & fit, upgraded components, 12-month warranty
Suitability
When catastrophic overheating has caused head gasket or bottom-end failure
| Repair Tier | Dealer (Parts + Labour) | Specialist (Parts + Labour) | What It Involves | Suitability | Estimated Time |
|---|---|---|---|---|---|
Cooling system refresh Minor | £500-£1,000 | £300-£600 | Replacement expansion tank, water pump, thermostat, hoses, coolant flush | Ideal preventative maintenance on cars over 60k miles | |
Full Replacement - rebuilt/reconditioned engine Best Value | £3,500-£5,500 | £2,200-£4,500 | Supply & fit, upgraded components, 12-month warranty | When catastrophic overheating has caused head gasket or bottom-end failure |
Our Recommendation
Our Recommendation
For most BMW 530i owners, preventative cooling system maintenance is the best value approach. The M54, N52 and N53 engines are fundamentally robust, and catching cooling issues early avoids catastrophic failure. If the engine has overheated badly and suffered head gasket or bottom-end damage, a rebuilt unit with warranty is the safer long-term choice.

Don't Let Engine Failure Write Off Your BMW 5 Series 530i
The 530i badge has represented over four decades of BMW engineering excellence, from the M30 'big six' through the V8 era to today's turbocharged B48. With regular preventative maintenance - particularly cooling system attention - your 530i can keep delivering that signature straight-six or refined four-cylinder character for years to come. If replacement is required, EnginesMarket connects you with UK specialists offering rebuilt units with 12-month warranty and nationwide delivery.
Compare rebuilt BMW 5 Series 530i engine prices
Important Information
Important Information
BMW 5 Series 530i Engine ReplacementFrequently Asked Questions
Question 1How much does a BMW 530i engine replacement cost in the UK-
A BMW 530i engine replacement typically costs £1,500-£4,500 for a rebuilt unit supply-only, with fitted prices ranging from £2,200-£5,500 depending on the generation and specialist. Used engines can be found from £600-£2,200.
- Rebuilt M54B30 supply: £2,200-£3,500 [ESTIMATED]
- Rebuilt N53B30 supply: £3,000-£4,500 [ESTIMATED]
- Rebuilt B48B20 supply: £3,200-£5,000 [ESTIMATED]
- Full supply & fit: £2,200-£5,500 depending on generation and workshop
Question 2What engine codes were used in the BMW 530i-
The BMW 530i has used six main engine codes across its production: M30B30 (E12/E28/E34), M60B30 (E34 V8), M54B30 (E39/E60), N52B30 (E60), N53B30 (E60 LCI/F10), and B48B20 (G30). The engine code is stamped on the engine block and can also be verified via your VIN.
-> Compare 530i engine prices by codeQuestion 3Is the BMW 530i a reliable car-
Yes - the 530i is widely regarded as one of the most reliable 5 Series variants, particularly the M54 and N52 straight-six models. However, age-related issues like cooling system deterioration and oil leaks require proactive maintenance.
- M54B30: Very reliable, cooling system is the main concern
- N52B30: Reliable, but oil leaks and VANOS issues can occur
- N53B30: Generally reliable, HPFP and injector issues documented
- B48B20: Modern and reliable, coolant leaks are the main issue
Question 4What are the common problems with the BMW 530i engine-
The most common issues across all 530i generations are cooling system failure (plastic expansion tank, water pump, thermostat degradation) and oil leaks (valve cover gasket, oil filter housing gasket). On N53 engines, high-pressure fuel pump and injector issues are also reported.
- Cooling system refresh: £300-£600 at specialist
- Gasket replacement: £250-£500 at specialist
- Full engine replacement: £2,200-£5,500 fitted
Question 5Is it worth replacing the engine in a BMW 530i-
It depends on your 530i's generation and condition. A pristine E39 530i (£5,000+) or any G30 530i (£15,000-£35,000) easily justifies replacement. A sub-£4,000 E60 or older example requires careful evaluation - assess the car's overall condition, rust, and interior before committing.
- Check for rust - E39 and E60 5 Series are prone to corrosion
- Factor in the car's overall condition, not just the engine
- Low-mileage or M Sport examples warrant greater investment
Question 6Can I still find parts for the BMW 530i engine-
Yes - all 530i engine families have strong aftermarket and OEM parts support in the UK. The M54, N52, N53 and B48 are particularly well-supported, with specialists stocking timing components, cooling system parts, gaskets, and full rebuilt units.
- Cooling system parts readily available for all generations
- M54 and N52 parts widely stocked by BMW specialists
- Full rebuilt units available through EnginesMarket for all 530i codes
Compare BMW 5 Series 530iEngine PricesToday
M30, M60, M54, N52, N53 & B48 engines supplied through our network
12-Month Warranty on every rebuilt BMW 530i engine
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Comparing quotes for your BMW 5 Series 530i engine replacement is free, no-obligation, and specific to your exact generation, variant, and engine code - whether that's an M30B30 from the E12 era, a V8 M60B30, a straight-six M54, N52 or N53, or a modern B48B20 turbo. Enter your registration above to receive tailored quotes from UK specialists who understand each engine's unique characteristics.

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