BMW 3 Series 316d2009–present3 Engine Generations
BMW 3 Series 316d Engine Replacement —Compare Prices &
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Get quotes today from trusted UK BMW 316d specialists. Compare reconditioned, rebuilt and used 2.0-litre four-cylinder turbo-diesel engines — N47 and B47 variants across the E90 and F30 generations — supply & fit available nationwide.
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BMW 3 Series 316d Engines — from £800 to £5,500Common codes: N47D16C, N47D20C, B47D20A
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The 316d Through Time — Era Map
Three generations. Three eras. One guide to reliability, costs and what really matters.
Era Note
Rear-mounted timing chain risk — cold-start rattle is the warning sign
Era Note
2.0L N47 — same rear-chain design; timing chain remains the critical weakness
Era Note
B47 replaced N47 at LCI — chain relocated to front; meaningfully improved. EGR cooler recall applies
Why use this era map?
Every cost guide, reliability rating and engine code on this page is aligned to the data above. This keeps everything consistent and trustworthy.
- Real UKCost Data
- VerifiedReliability
- ExpertInsights
- Updated for2025
BMW 3 Series 316d Engine Replacement Costs
- Supply Only£800 – £1,800
- Fitted (Indie)£1,400 – £3,000
- Warranty1–6 months
- Best ForBudget priority; vehicle under £4,000
- Supply Only£2,800 – £5,500
- Fitted (Indie)£3,600 – £6,700
- Warranty12–24 months
- Best ForMost owners — best cost/warranty balance
- Supply Only£4,200 – £5,800
- Fitted (Indie)£5,000 – £7,000
- Warranty12–24 months
- Best ForLong-term ownership; 3+ year horizon
- Supply OnlyN/A
- Fitted (Indie)N/A
- WarrantyN/A
- Best ForNo longer available new
Figures above reflect current 316d replacement costs. The B47 variant typically sits at the higher end of the range. See the Era Map above for generation-specific pricing.
Labour estimate: Fitting a 316d engine typically takes 10–14 hours at £65–£95/hr (independent) or £110–£160/hr (London/SE dealer).
Common Problems With BMW 3 Series 316d Engines
2. EGR Cooler Leaks(N47 and B47)
3. B47 Timing Chain Tensioner(Much Lower Risk Than N47)
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3 Series 316d — Repair, Buy, or Replace?
Not every issue means a new engine.Here’s what can be repaired, when it makes sense, and what to check before you buy.
Can It Be Repaired?
| Problem | Repairable? | Typical Cost | When It Makes Sense |
|---|---|---|---|
| Timing chain rattle (N47 — preventative) | Yes | £650 – £1,800 | Essential maintenance — catch it before catastrophic failure |
| Snapped timing chain (N47) | Usually No | Engine replacement | Piston-valve contact means little is left to repair |
| Timing chain wear (B47) | Yes | £1,200 – £2,500 | Far less common than N47; catch early if rattle appears |
| EGR cooler leak | Yes | £500 – £1,200 | Straightforward replacement — check recall status first |
| DPF clogging | Yes | £400 – £1,200 | Standard maintenance on any modern diesel |
ProblemRepairable? · Typical Cost
Timing chain rattle (N47 — preventative)
Yes£650 – £1,800
Essential maintenance — catch it before catastrophic failure
Snapped timing chain (N47)
Usually NoEngine replacement
Piston-valve contact means little is left to repair
Timing chain wear (B47)
Yes£1,200 – £2,500
Far less common than N47; catch early if rattle appears
EGR cooler leak
Yes£500 – £1,200
Straightforward replacement — check recall status first
DPF clogging
Yes£400 – £1,200
Standard maintenance on any modern diesel
Buying This 316d? Check These First
Buy if:
- Post-LCI F30/F31 (2015+) with B47 engine (significantly reduced chain risk)
- Documented timing chain history on any N47-engined car
- EGR recall completed (check with BMW)
- Full service history with regular oil changes (critical for chain longevity)
Avoid if:
- E90 or pre-LCI F30 N47 with cold-start rattle and no chain history
- No service history — the N47 is unforgiving of neglect
- Short-journey ownership history — DPF issues likely
- Unexplained coolant loss — EGR cooler may be failing
Closing verdict
The 316d is BMW's entry-level 2.0-litre diesel across the E90 and F30 3 Series generations. If you're looking at an E90 or pre-2015 F30, it has the N47 — with the well-known rear-mounted chain risk. The 2015-on LCI B47 is a significant improvement, fixing the chain design. Budget for chain maintenance if the history is unclear. With typical F30 values of £5,000–£12,000, a £4,000–£5,000 engine replacement is a significant but often worthwhile investment.
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Buying Checklist
Before you buy a used BMW 3 Series 316d (or before you commit to an engine replacement), check these:
1. Cold Start
Listen for 1–30 seconds of rattle (N47 timing chain warning) — see the map above
2. Service History
Including which engine era (N47D16, N47D20C or B47D20A) and oil-change discipline
3. EGR Recall
Confirm recall completion with BMW (both N47 and B47 affected)
4. Smoke Check
White smoke on startup can indicate EGR coolant leak
5. DPF Regeneration
Check history; short journeys accelerate wear on all diesel eras
6. Turbo Boost
Test acceleration; any lag, whistling, or grinding?
7. Engine Warning Light
Have codes been read? Any unresolved issues?
8. MOT History
Check for emissions-related failures
Buying Checklist
Before you buy a used BMW 3 Series 316d (or before you commit to an engine replacement), check these:
- 1
Cold Start
Listen for 1–30 seconds of rattle (N47 timing chain warning) — see the map above
- 2
Service History
Including which engine era (N47D16, N47D20C or B47D20A) and oil-change discipline
- 3
EGR Recall
Confirm recall completion with BMW (both N47 and B47 affected)
- 4
Smoke Check
White smoke on startup can indicate EGR coolant leak
- 5
DPF Regeneration
Check history; short journeys accelerate wear on all diesel eras
- 6
Turbo Boost
Test acceleration; any lag, whistling, or grinding?
- 7
Engine Warning Light
Have codes been read? Any unresolved issues?
- 8
MOT History
Check for emissions-related failures
Buy smart. Drive with confidence.
A few checks today can save thousands tomorrow. Use this checklist to avoid the most common 3 Series 316d pitfalls.
Engine Codes
This table's rows match Section 1B's Era Map exactly.
N47D16C
- Years
- 2009–2011 (E90)
- Power
- 116 bhp @ 4,000rpm
- 2025 Enquiries
- —(within N47 family volume)
- Avg. Recon Cost
- £2,800–£4,500[PLACEHOLDER]
N47D20C
- Years
- 2012–2015 (F30/F31 pre-LCI)
- Power
- 116 bhp @ 4,000rpm
- 2025 Enquiries
- —(within N47 family volume)
- Avg. Recon Cost
- £3,200–£5,500[PLACEHOLDER]
B47D20A
- Years
- 2015–2019 (F30/F31 LCI)
- Power
- 116 bhp @ 4,000rpm
- 2025 Enquiries
- —(within B47 family volume)
- Avg. Recon Cost
- £3,400–£5,800[PLACEHOLDER]
Technical SpecsB47 — current generation
- Displacement
- 1,995cc
- Cylinders
- 4-cylinder inline
- Compression Ratio
- 16.5:1
- Fuel System
- Common-rail direct injection, turbocharged and intercooled
- Torque
- 270 Nm @ 1,750–2,500 rpm
Market Intelligence
Real data from thousands of 3 Series 316d enquiries in 2025.
Most Common FailureN47 timing chain (E90 and pre-LCI F30)
The defining issue of the earlier 316d
Average Enquiry Mileage
60,000–90,000
miles
[PATTERN DATA]Average Replacement Cost
£4,000–£4,500
reconditioned, supply only
[PLACEHOLDER]Most Requested Engine Code
N47D20C / B47D20A
[PATTERN DATA]Peak Enquiry Season
Winter
Cold starts expose chain wear
[PATTERN DATA]Regional Demand
- South East
- 18%
- North West
- 16%
- Midlands
- 14%
- Other Regions
- 52%
Regional Demand Breakdown
14%Midlands18%South East16%North West52%Other Regions
Frequently Asked Questions
A reconditioned 316d engine typically costs £2,800–£5,500 supply only, with the B47 variant at the higher end. Fitting adds £800–£1,300 depending on the specialist. A snapped timing chain on an N47 can cost approximately £7,000 for a full engine replacement.
It depends entirely on which engine era your 316d has. The E90 (2009–2011) and pre-LCI F30 (2012–2015) with the N47 have the well-documented rear-mounted timing chain risk — a known weakness that can cause catastrophic failure. The LCI F30 (2015–2019) B47 is significantly more reliable — the chain was relocated to the front. Both N47 and B47 share EGR cooler issues, subject to a BMW recall.
Timing chain wear on N47-engined cars (cold-start rattle is the warning sign), EGR cooler leaks affecting both N47 and B47 (subject to a BMW recall), and DPF clogging exacerbated by short journeys. The B47 is a significant improvement over the N47.
Depends on vehicle value and engine era. Against a well-kept £5,000–£12,000 F30 3 Series, a £4,000–£5,000 recon is 30–80% of the car's value — borderline but often worth it for a cherished example. Against a tired £3,500 example, the same recon may exceed our 70% BMW threshold — get a scrap valuation first. B47-engined cars command a premium due to improved reliability.
E90 (2009–2011) 316d engines carry the N47D16C code. Pre-LCI F30/F31 (2012–2015) use the N47D20C code. LCI F30/F31 (2015–2019) use the B47D20A code. Check the VIN plate or vehicle documentation. If your car is registered after 2015, it's almost certainly the B47.
Yes — if caught early. A preventative chain replacement (£650–£1,800) is far cheaper than a catastrophic chain snap (£3,200–£5,500+ engine replacement). At the first sign of cold-start rattle, book an inspection immediately. The B47 has far fewer timing chain issues — but regular oil changes remain essential.
Disclaimer: All prices are indicative UK market ranges based on historical quote data from our network of engine specialists.
Actual costs vary by variant, engine condition, damage severity and workshop location. Use our free comparison tool to get tailored quotes.
Every engine supplied through EnginesMarket carries a minimum 12-month unlimited-mileage warranty — always confirm terms with your chosen supplier.
Why UK BMW 3 Series 316d Owners Trust BMWEngines.uk
Trusted 316d Engine Suppliers
every garage and engine rebuilder in our network is vetted, rated and reviewed by real 3 Series 316d owners, as part of the Engine Finders network, across every engine era — N47D16, N47D20C and B47D20A — covering the E90 and F30 generations.
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see prices, warranty terms and supply & fit options side-by-side before you commit. We cover the 2.0-litre turbo-diesel specifically, with specialists who understand the N47-to-B47 transition and the critical importance of timing chain maintenance across every 316d variant.
UK Engine Replacement Services for 316d
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