Audi A4 45 TFSI Engine ReplacementCompare Prices & Get Quotes
Get quotes today from trusted UK Audi A4 45 TFSI engine specialists. Compare prices on reconditioned, rebuilt and used engines to find the best value for your high-performance executive saloon or estate.
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
From £3,200 to £5,500
Used from £800 · Reconditioned from £2,000 · Common codes: CYRB, DKZA
From £800
Tested, bare/short engine
From £2,000
Rod bearings addressed, tested
From quote
Upgraded bearings, full teardown, revised valvetrain
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3 Simple Steps3 Simple Stepsto Finding the Best Audi A4 45 TFSI Replacement Engineto Finding the Best Audi A4 45 TFSI Replacement Engine
Most replacements completed within 3-5 days.
Variant HistoryAudi A4 45 TFSI - Engine History & Specs at a Glance
When the 45 TFSI badge was introduced to the A4 range, it signified the higher-output 2.0-litre turbocharged petrol engine, evolving through the B9 generation with refined thermal management and mild-hybrid integration.
Variant HistoryAudi A4 45 TFSI - Engine History & Specs at a Glance
When the 45 TFSI badge was introduced to the A4 range, it signified the higher-output 2.0-litre turbocharged petrol engine, evolving through the B9 generation with refined thermal management and mild-hybrid integration.
Audi A4 45 TFSI
Fuel TypePetrol
Engine Size Range2.0L
Power Output Range245-252hpEngine History Timeline
CYRB engine code 2.0L TFSI, 252hp (B9 generation launch, EA888 Gen 3 introduction)
DKZA engine code 2.0L TFSI, 245hp (B9 facelift, updated emissions and 12V mild-hybrid system integration)
Key Specs Snapshot
Fuel TypePetrolEngine Size Range2.0LPower Output Range245-252hpYears Produced2016-presentEvery engine fitted to the Audi A4 45 TFSI is covered below, with UK rebuilt pricing and known failure points.
Audi A4 45 TFSI Engine Codes - Specifications & Replacement CostAudi A4 45 TFSI Engine Codes - Specifications & Replacement Cost
2.0L Petrol (2016-2020)
Power Output252hpYears Fitted2016-2020
Compatible Trim Levels
- 45 TFSI
- 45 TFSI quattro
- 45 TFSI S line
- 45 TFSI Black Edition
Find your exact engine code, specs and UK replacement cost guide.
Used
Tested, ready-to-fit engine
£800-£1,800
Reconditioned
Addressed known issues, tested
£2,000-£3,800
Rebuilt
Full teardown, upgraded internals
£3,200-£5,500
Common Failure
Water pump and thermostat housing failure, alongside carbon buildup on intake valves, typically observed between 60k-120k miles.
The Audi A4 45 TFSI is a high-performance executive engine that demands precise maintenance. While the EA888 Gen3 architecture (CYRB, DKZA) resolved many early-generation timing chain issues, specific components like the cooling system remain prone to wear. Rebuilt engines supplied through EnginesMarket include upgraded components addressing these original failure points, backed by a minimum 12-month unlimited-mileage warranty.
Why the Audi A4 45 TFSI (CYRB, DKZA) Wears Prematurely
Affected Vehicles
Audi A4 45 TFSI (CYRB, DKZA, 2016-present)
Typical Failure Mileage
60k-120k miles
Root Cause
Plastic composite components in the cooling system degrade under sustained high thermal loads, leading to coolant leaks and potential overheating.
Why It Happens
Plastic composite components in the cooling system degrade under sustained high thermal loads, leading to coolant leaks and potential overheating.
Dealer (parts + labour)
£800-£1,200
Specialist (parts + labour)
£400-£800
What it involves
Replacing the water pump and thermostat housing assembly with updated parts.
Suitability
Effective for early-stage leaks; does not address internal engine wear.
1 - 2 daysDealer (parts + labour)
£5,000-£7,500
Specialist (parts + labour)
£3,200-£5,500
What it involves
Supply & fit, upgraded components addressing the original failure point, 12-month warranty.
Suitability
The right call if overheating has caused secondary damage or if the engine has high mileage.
1 - 2 daysAll prices are indicative UK market ranges based on current UK specialist supplier data.| Repair Tier | Dealer (Parts + Labour) | Specialist (Parts + Labour) | What It Involves | Suitability | Estimated Time |
|---|---|---|---|---|---|
 Component Replacement Minor | £800-£1,200 | £400-£800 | Replacing the water pump and thermostat housing assembly with updated parts. | Effective for early-stage leaks; does not address internal engine wear. | 1 - 2 days |
 Full Replacement - rebuilt/reconditioned engine Best Value | £5,000-£7,500 | £3,200-£5,500 | Supply & fit, upgraded components addressing the original failure point, 12-month warranty. | The right call if overheating has caused secondary damage or if the engine has high mileage. | 1 - 2 days |
Vehicle Value Check
Vehicle Value Check
A typical Audi A4 45 TFSI (B9) is worth £12,000-£28,000 `[THIRD-PARTY]`. At this value band, a reconditioned or rebuilt replacement comfortably justifies the premium via warranty and restored reliability, keeping repair costs well below the vehicle's total value.
Our Recommendation
Our Recommendation
If caught early, a specialist component replacement is highly cost-effective. However, if coolant loss has led to overheating or the vehicle has exceeded 100k miles, a rebuilt engine is the safer long-term investment.
Don't Let Engine Failure Write Off Your Audi A4 45 TFSI
Protect your investment with a rebuilt engine that features upgraded components to eliminate known weak points. With a minimum 12-month unlimited mileage warranty, nationwide delivery, and prices significantly below main dealer premiums, comparing quotes is the smartest first step.
Compare rebuilt CYRB Audi A4 45 TFSI engine prices
12-Month Minimum
UK Specialists Vetted
Best Price GuidanceImportant Information
Important Information
"All prices are indicative UK market ranges based on historical quote data and repair requests from our network of engine specialists. Dealer pricing is estimated based on published main dealer labour rates and genuine OEM parts pricing. Specialist pricing reflects actual quote data from EnginesMarket's UK network. Actual costs vary depending on damage severity, vehicle condition, variant, and workshop location within the UK. Use our free comparison tool to get tailored quotes for your specific Audi A4 45 TFSI. Every engine supplied through EnginesMarket carries a minimum 12-month unlimited mileage warranty - always confirm exact terms with your chosen supplier."
Audi A4 45 TFSI Engine ReplacementFrequently Asked Questions
Question 1How much does an Audi A4 45 TFSI engine replacement cost-
A full rebuilt Audi A4 45 TFSI engine typically costs between £3,200 and £5,500 for supply only, with reconditioned units starting from £2,000.
- Prices vary based on the specific engine code (e.g., CYRB, DKZA).
- Supply and fit packages will add specialist labour rates, usually £520-£715.
Question 2What are the signs of water pump failure in an Audi A4 45 TFSI-
Early warning signs include coolant leaks under the vehicle or a distinct sweet smell from the engine bay.
- You may also experience an illuminated engine management light or the engine running hotter than normal.
- If ignored, coolant loss can lead to catastrophic overheating.
Question 3Is it worth replacing the engine in an Audi A4 45 TFSI-
For B9 models valued between £12,000 and £28,000, a full rebuild is highly financially viable.
- A reconditioned or rebuilt unit restores reliability and comes with a 12-month warranty.
- This is significantly more cost-effective than purchasing a new vehicle.
Question 4How long does an Audi A4 45 TFSI engine replacement take-
A standard supply and fit procedure for the 2.0 TFSI engine typically takes 2 to 3 working days at a specialist workshop.
- This includes the physical swap, ECU coding, and a thorough road test to ensure all systems are functioning correctly.
Question 5What is the difference between the CYRB and DKZA engines in the Audi A4 45 TFSI-
Both are 2.0-litre EA888 Gen3 turbocharged petrol engines, but the DKZA is the updated version introduced in the 2020 facelift.
- The DKZA features a slightly lower output (245hp vs 252hp) due to updated emissions controls and the integration of a 12V mild-hybrid system, improving overall efficiency.
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