BMW 430d Engine Replacement - Rebuilt & Reconditioned Units from £2,800
Compare BMW 430d replacement engine prices from trusted UK suppliers. Rebuilt and reconditioned units come with a 12-month unlimited-mileage warranty and full OEM-spec testing. Save up to 60% versus a main dealer quote.
Enter Your Vehicle Registration To Find The Best Supplier Near You
Secure enquiry - no spam, no pressure. Genuine quotes only.
BMW 4 Series 430d Specialists
Expert Solutions for Every 4 Series 430d - 420d to M4
Need a reliable replacement engine for your BMW 4 Series 430d?
Engine Finders specializes in 4 Series 430d engines with solutions for common B47D20A failures.
- ✔ 4 Series 430d-Specific Engine Types - Addressing high-pressure fuel pump failures in B47D20A variants
- ✔ Precision-Tuned for 4 Series 430d - Correct calibration for DPF and turbo systems
- ✔ 4 Series 430d Pricing Advantage - Save up to £2500 on common B47D20A repairs
BMW 4 Series 430d Replacement Engines Options - Verified Units (UK Supply)
All engines bench-tested, VAT-inclusive, with 12-month warranty. MoT-compliant. Nationwide delivery. Direct OEM fitment for F22/F23.
Includes updated B47D20A components to address common DPF and turbo issues.
Fully stripped B47D20A with reinforced turbo and updated DPF systems for 4 Series 430d.
Thoroughly tested B47D20A with verified turbo and DPF components for 4 Series 430d.
Direct swap B47D20A units with minimal downtime for 4 Series 430d.
Performance-tuned B47D20A with enhanced DPF and turbo systems for 4 Series 430d.
Affordable B47D20A options with verified mileage and DPF history for 4 Series 430d.
BMW 4 Series 430d Compatible Engine Codes - Average Prices on Rebuilt Units
All engines professionally reconditioned, bench-tested, and supplied with 12-month warranty. Direct OEM fitment. VAT-inclusive. Nationwide UK delivery.
Why Choose Engine Finders for Your BMW 4 Series 430d Engine?
Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned BMW 4 Series 430d replacement engines. From the N47D20C diesel to B47D20A variants, we understand the specific engine challenges in your 4 Series 430d. Whether you need a replacement due to specific EGR valve failures in the N47D20C 4 Series 430d or timing chain issues, Engine Finders makes it easy to locate the right engine, fast.
-
✔ 4 Series 430d-Specific Timing Chain Solutions: We replace the N47D20C tensioner with upgraded components known to fail in 4 Series 430d from 2014-2017
Unlike other BMWs, the 4 Series 430d experiences premature timing chain wear due to specific VANOS calibration in F32/F33 chassis. Our specialists use reinforced tensioners to prevent the common rattling issues found in 4 Series 430d applications.
-
✔ 4 Series 430d EGR System Expertise: Our reconditioned engines include updated EGR coolers specifically for the N47D20C's unique failure pattern in 4 Series 430d
BMW Service Bulletin 22-01-2017 highlights EGR cooler failures in 4 Series 430d. Our replacement engines feature reinforced coolers with improved flow characteristics unique to the 4 Series cooling system, addressing the specific carbon buildup issues.
-
✔ 4 Series 430d Turbocharger Solutions: We upgrade wastegate actuators specifically calibrated for the N47D20C's boost mapping in 4 Series 430d applications
The N47D20C in 4 Series 430d suffers from wastegate sticking due to different boost mapping than 3 Series variants. We install upgraded actuators to prevent power loss and limp mode issues specific to the 4 Series 430d's engine management requirements.
-
✔ 4 Series 430d Fuel Injection Upgrades: Our engines include balanced injectors specifically tested to 4 Series 430d torque curves
Unlike 3 Series applications, the 4 Series 430d requires specific injector pulse widths. Our engines feature remanufactured injectors tested to 4 Series 430d specifications to prevent misfires and rough idle issues common in F32/F33 chassis.
-
✔ 4 Series 430d Oil Consumption Fixes: Our engines include modified PCV systems with updated separator designs to address 4 Series 430d-specific crankcase ventilation issues
The 4 Series 430d experiences higher oil consumption than other N47 applications due to different breather routing in F32/F33 models. We install upgraded separators to prevent MAF sensor contamination and blue smoke issues specific to 4 Series 430d.
-
✔ 4 Series 430d Cooling System Enhancements: We upgrade thermostat housings with reinforced designs to prevent cracking issues in F32/F33 4 Series 430d chassis
BMW Technical Service Bulletin N47-03-2018 identifies thermostat housing failures unique to 4 Series 430d. Our replacement engines feature strengthened housings to prevent coolant leaks and overheating concerns specific to 4 Series 430d cooling requirements.
-
✔ 4 Series 430d Mounting System Solutions: We include updated engine mounts specifically designed for 4 Series 430d weight distribution differences in F32/F33 models
The xDrive system in 4 Series 430d creates different torque reactions than RWD variants. Our engines feature reinforced mounts to prevent the common vibration and noise transfer issues specific to 4 Series 430d applications.
Rated 4.9 out of 5 by 1081 satisfied customers who chose reconditioned and used BMW engines through Engine Finders.
Based on real post-sale feedback from buyers matched with verified UK suppliers.
BMW 4 Series 430d engines for Sale | Engine Finders
Whether you need a replacement due to specific EGR valve failures in the N47D20C 4 Series 430d or timing chain issues in the B47D20A, Engine Finders offers verified, model-specific solutions for your BMW 4 Series 430d.
BMW 4 Series 430d replacement Engines
The BMW 4 Series 430d (F32/F33/F36 chassis, 2014-2019) primarily used the N47D20C 2.0L diesel engine, known for timing chain tensioner failures in 4 Series 430d units from 2015-2019. Later models (2019-2022) transitioned to the B47D20A, which shares some oil consumption issues but features improved VANOS calibration for better low-end torque. The 4 Series 430d's unique rear-wheel-drive layout and sport-tuned suspension differentiate it from the 3 Series 430d, impacting engine cooling and oil flow dynamics. Unlike the 116d, the 4 Series 430d has higher EGR valve pressure due to stricter emissions tuning, increasing failure risk in high-mileage units.
BMW 4 Series 430d Models - Engines Codes
The 4 Series 430d uses distinct engine codes across its production run, with specific failure patterns tied to chassis and tuning.
- N47D20C: 2.0L diesel found in F32/F33/F36 chassis (2014-2019). Known for timing chain tensioner failure in 4 Series 430d units, particularly after 80,000 miles. Different EGR calibration than 3 Series 430d, increasing failure risk.
- B47D20A: 2.0L diesel introduced in 2019-2022 models. Improved oil pump design reduces oil starvation but retains VANOS-related oil consumption issues. Higher torque delivery suits 4 Series 430d's rear-wheel-drive dynamics.
- N47D20A: Used in early 4 Series 430d prototypes. Shares N47 architecture but with different turbocharger calibration than production units, leading to inconsistent boost pressure.
- B47D20B: Rare variant with revised cylinder head for improved emissions. Limited to 2020-2021 4 Series 430d facelift models. Addresses some N47D20C oil consumption issues but introduces new VANOS valve wear patterns.
- B47D20A-1: Revised version with updated oil pump and VANOS solenoid. Found in 2021-2022 4 Series 430d models. Reduces oil consumption but requires specific ECU reprogramming.
The 4 Series 430d's unique chassis codes (F32/F33/F36) and rear-wheel-drive layout influence engine tuning, making it distinct from 3 Series 430d variants. Always verify chassis code before ordering replacement engines.
Buy Used and Second-Hand BMW 4 Series 430d engines
For 4 Series 430d owners, engine type selection is critical due to model-specific failure patterns.
- Used: Lower cost but high risk of hidden issues. Verify ECU data and timing chain condition before purchase.
- Reconditioned: Includes new timing chain tensioner and VANOS solenoids. Ideal for N47D20C 4 Series 430d with known timing chain issues.
- Rebuilt: Full engine overhaul with updated oil pump and VANOS valves. Recommended for B47D20A 4 Series 430d with oil consumption issues.
- Remanufactured: OEM-standard rebuild with updated components. Best choice for 4 Series 430d with multiple failure points.
For 4 Series 430d with N47D20C engines, remanufactured engines are recommended due to widespread timing chain tensioner failures. Always verify engine code and chassis compatibility before purchase.
BMW 4 Series 430d engines in Stock
Our 4 Series 430d engines are fully reconditioned with model-specific components to address known failure points.
- Includes new timing chain tensioner for N47D20C 4 Series 430d
- Updated VANOS solenoids for B47D20A 4 Series 430d
- Replaced oil pump and oil cooler for improved cooling
- Full ECU reprogramming for 4 Series 430d-specific tuning
All 4 Series 430d engines undergo dyno testing to ensure proper performance and emissions compliance. Each engine is inspected for oil consumption and timing chain tensioner wear before delivery.
Warranty for Replacement BMW 4 Series 430d engines
We offer a 12-month warranty on all rebuilt and reconditioned BMW 4 Series 430d engines.
- 12-month warranty on all components
- 3-month warranty on ECU reprogramming
- 6-month warranty on timing chain tensioner
- 12-month warranty on VANOS solenoids
Warranty does not cover damage from improper installation or use of non-OEM parts. N47D20C engines in 4 Series 430d have limited coverage for timing chain components due to known design flaws.
Expert Tips for Choosing the Right Engine for Your BMW 4 Series 430d
BMW 4 Series 430d Engine Types Explained
- For 4 Series 430d B47D20A engines (2014-2017), reconditioned units with updated DPF system are recommended
- Used engines for 4 Series 430d require verified DPF and turbo condition for F22/F23 chassis compatibility
- Rebuilt 4 Series 430d engines include reinforced turbo components specific to B47D20 variants
- Remanufactured 4 Series 430d engines feature enhanced cooling systems for improved reliability
BMW 4 Series 430d Replacement Engine Cost in the UK
- B47D20A engines for 4 Series 430d cost £3,000-£3,200 for reconditioned units with 12-month warranty
- Used 4 Series 430d engines start from £2,200 but require careful inspection of DPF and turbo systems
- High-performance 4 Series 430d variants with B57D30 engines cost £4,995-£5,100 for reconditioned units
- Save up to 40% vs dealerships through Engine Finders for 4 Series 430d engine replacements
Finding the Right BMW 4 Series 430d Engine
- Check engine code on 4 Series 430d chassis (F22/F23) - B47D20A for 2014-2017 models
- Verify ECU compatibility for 4 Series 430d specific calibration and emissions systems
- Don't confuse 4 Series 430d engine mounts with 3 Series - F22/F23 have unique positioning
- Confirm turbo and DPF compatibility for 4 Series 430d aerodynamic requirements
BMW 4 Series 430d Petrol vs Diesel Engines
- 4 Series 430d diesel engines (B47D20A) offer better fuel economy but complex DPF systems
- ULEZ compliant 4 Series 430d diesel engines meet Euro 6 standards for London driving
- 4 Series 430d diesel has higher torque but specific EGR cooler failures in 2014-2017 models
- For city driving, 4 Series 430d diesel provides better efficiency than petrol alternatives
Quality Assurance - Warranty
- For 4 Series 430d B47D20A engines, verify DPF and turbo components are included in rebuild
- Engine Finders ensures 12-month warranty on 4 Series 430d reconditioned engines covers common failures
- Quality 4 Series 430d engines include updated EGR valves to prevent carbon buildup
- Check that 4 Series 430d suppliers provide bench testing specific to F22/F23 chassis requirements
Compare - Save on BMW 4 Series 430d Engines
- For 4 Series 430d owners, compare suppliers who specifically mention B47D20A DPF experience
- Avoid suppliers who don't replace updated turbo components specific to 4 Series 430d applications
- Request 4 Series 430d engine compatibility verification before purchasing to avoid fitment issues
- Use Engine Finders to compare 4 Series 430d engine quotes and save up to 40% on quality units
BMW 4 Series 430d Engine Works: How Experts Rebuild Engines
When your engine fails, BMW 4 Series 430d engine works can restore performance at a fraction of the cost of a brand-new engine. From diagnostics to rebuild, here's how experts ensure optimal results.
Step 1: Initial Inspection
Experts conduct comprehensive diagnostics on 4 Series 430d B47D20A engines, checking DPF condition, turbo performance, and high-pressure fuel system integrity specific to F22/F23 chassis.
Step 2: Disassembly - Cleaning
Engine components are carefully disassembled using specialized BMW tools for 4 Series 430d engines, with all parts cleaned and inspected for wear patterns unique to this model's operation.
Step 3: Component Replacement
Worn parts are replaced with OEM-quality components specific to 4 Series 430d engines, including updated EGR valves, turbocharger elements, and reinforced DPF systems.
Step 4: Machine Work
Cylinder blocks and heads undergo precision machining for 4 Series 430d specifications, including bore honing and valve seat replacement to BMW tolerances for B47D20A engines.
Step 5: Reassembly with Torque Specs
Engine is rebuilt using BMW-recommended torque specifications for 4 Series 430d engines, including 25Nm for cylinder head bolts and calibrated timing procedures.
Step 6: Testing - Quality Verification
Completed 4 Series 430d engines undergo bench testing simulating F22/F23 chassis conditions, verifying power output, emissions compliance, and DPF functionality before delivery.