BMW 116i Engine Replacement - Rebuilt & Reconditioned Units from £1,551

Compare BMW 116i 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.

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BMW 1 Series 116i Specialists

Expert Solutions for Every 1 Series 116i - 116i to M135i

Need a reliable replacement engine for your BMW 1 Series 116i?
Engine Finders specializes in 1 Series 116i engines with solutions for common N13B16A timing chain tensioner failures.

  • ✔ 1 Series 116i-Specific Engine Types - Addressing premature wear in N13B16A variants
  • ✔ Precision-Tuned for 1 Series 116i - Correct calibration for Valvetronic system
  • ✔ 1 Series 116i Pricing Advantage - Save up to £800 on common timing chain replacements
Find Your Perfect BMW 1 Series 116i Engine Today!
BMW 1 Series 116i engine replacement specialists | Engine Finders

BMW 1 Series 116i 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 F20, F21 (2011-2019).

BMW 1 Series 116i Rebuilt Engines

Rebuilt with reinforced N13 timing chain tensioners to prevent recurrence.

BMW 1 Series 116i Remanufactured Engines

Fully remanufactured to BMW specs with updated Valvetronic components.

BMW 1 Series 116i Reconditioned Engines

Reconditioned with EGR cooler upgrades to prevent carbon buildup.

BMW 1 Series 116i Replacement Engines

Direct-fit replacements for 116i models with verified low mileage.

BMW 1 Series 116i Refurbished Engines

Refurbished units with new oil pumps to address common N13 failures.

BMW 1 Series 116i Used Engines

Used engines with full service history and under 80k verified miles.

BMW 1 Series 116i 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.

Where to buy BMW 1 Series 116i replacement engine | Engine Finders

Why Choose Engine Finders for Your BMW 1 Series 116i Engine?

Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned BMW 1 Series 116i replacement engines. From the N13B16A petrol to B38B15M0 variants, we address model-specific failures like premature timing chain tensioner wear in N13 engines (BMW SIB 11 03 13) and Valvetronic motor failures unique to F20 116i calibration. Whether you need a replacement due to VANOS solenoid issues in the N46B20C or crankcase ventilation faults in the B38, we provide solutions specifically for your 1 Series 116i variant.

  • ✔ 1 Series 116i N13 Timing Chain Fix: We install reinforced tensioner (OEM 11317589858) addressing premature failure in F20/F21 116i (2011-2015)

    Unlike generic rebuilds, our N13 units feature upgraded oil control rings and reconditioned VANOS solenoids specifically calibrated for 116i’s lower-spec ECU mapping that accelerates wear.

  • ✔ 1 Series 116i N43 Fuel System Upgrade: Includes Siemens HPFP (P/N 13517571798) and new injectors to resolve model-specific coking in E87 116i (2007-2011)

    While the N43 appears in other BMWs, our rebuilds target the 116i’s unique valve stem seal leaks with Viton seals - a failure pattern less common in higher-spec 118i variants.

  • ✔ 1 Series 116i N46 VANOS Solution: Features upgraded solenoids (P/N 11367503834) and chain guides for E87 116i (2004-2007) suffering from rattle due to model-specific oil change neglect

    Unlike N46 engines in 3 Series, our 116i rebuilds retain unique exhaust cam profiles and include reconditioned oil pumps to match factory drivability for pre-LCI models.

  • ✔ 1 Series 116i B38 Turbo Fix: Upgraded wastegate actuator and reinforced PCV valve targeting F20 LCI 116i (2015-2019) turbo rattle masked by lower boost vs 118i

    Our B38 units include model-specific engine mounts and accessory brackets not found in MINI applications, ensuring perfect OEM fitment for post-2015 116i chassis.

  • ✔ 1 Series 116i B48 Carbon Clean: Walnut-blasted intake valves and reinforced timing components (P/N 11318613889) for F40 116i (2019+) stop-start induced carbon buildup

    Unlike earlier B48 variants, our F40-specific rebuilds preserve U1 engine management calibration while upgrading high-pressure fuel pumps for emissions compliance.

  • ✔ 1 Series 116i ECU Compatibility: All engines pre-flashed with 116i-specific software maps matching chassis-specific DME parameters (F20 vs F40)

    We don’t just swap engines - we ensure throttle response, fuel trims, and emissions controls match your 116i’s factory ECU settings, avoiding limp mode or check engine lights.

  • ✔ 1 Series 116i Warranty Backed: 12-month coverage includes model-specific failure points like N13 timing chains and B38 PCV valves - not just generic “engine defects”

    Our warranty explicitly covers 116i-unique issues excluded by competitors, including VANOS rattle in N46 and turbo actuator failure in B38 - proven through UK specialist repair logs.

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.

4.9/5
"Thanks to Engine Finders, I saved over £1,200 on my engine!" - Jimmy, London
"Got three quotes within an hour and chose the best deal easily." - Pete, Leeds
"Engine Finders made the whole process quick and painless." - Tom, Manchester
"Wasn't sure what I needed, but their team helped every step of the way." - Sophie, Birmingham
"Fast turnaround and excellent aftercare, highly recommend Engine Finders." - Ahmed, Bradford
"Best car-related experience I've had in years. Awesome guys, honestly!." - Liam, London

BMW 1 Series 116i Engines for Sale | Engine Finders

Engine Finders connects UK 1 Series 116i owners with specialists offering replacement engines for model-specific failures like N13B16A timing chain wear or B38B15M0 turbo actuator rattle - not generic BMW solutions.

BMW 1 Series 116i Replacement Engines

The 1 Series 116i evolved across three generations: E87 (2004-2011) with N46/N43 engines prone to VANOS rattle; F20/F21 (2011-2019) featuring N13/B38 units suffering timing chain and PCV failures (BMW SIB 11 03 13); and F40 (2019+) with B48 engines experiencing carbon buildup from stop-start systems. Each generation has unique failure patterns - the E87’s N46 requires specific exhaust cam profiles, while the F20’s N13 needs upgraded tensioners (P/N 11317589858). Unlike 118i variants, the 116i’s lower-spec tuning accelerates wear on critical components, demanding generation-specific rebuild approaches.

BMW 1 Series 116i Models & Engines Codes

Key engine codes specific to 1 Series 116i across its generations:

  • N43B16A (1.6L petrol, E87 2007-2011): Known for HPFP failures and injector coking - less prevalent in 118i due to different ECU mapping. Requires upgraded Siemens pump (P/N 13517571798).
  • N46B20C (2.0L petrol, E87 2004-2007): Suffers VANOS rattle and oil consumption accelerated by 116i’s lower oil change intervals. Unique exhaust cam profiles vs 3 Series.
  • N13B16A (1.6L turbo petrol, F20/F21 2011-2015): Infamous for timing chain tensioner wear (BMW SIB 11 03 13) and oil consumption due to 116i-specific piston rings. Requires reinforced tensioner (P/N 11317589858).
  • B38B15M0 (1.5L turbo petrol, F20 LCI 2015-2019): Turbo wastegate rattle and PCV failures masked by 116i’s lower boost vs 118i. Unique engine mounts vs MINI applications.
  • B48A20U1 (2.0L turbo petrol, F40 2019+): Carbon buildup from stop-start systems and timing chain wear. Requires walnut-blasted valves and reinforced tensioners (P/N 11318613889) for 116i calibration.

Each engine code behaves differently in the 116i versus higher-spec variants due to unique ECU tuning, accessory brackets, and emission system calibrations specific to this model’s chassis and drivetrain configuration.

Buy Used and Second-Hand BMW 1 Series 116i Engines

For 1 Series 116i owners, engine type selection is critical due to model-specific failure patterns:

  • Used: Best for low-mileage F40 B48 units with full service history - avoid N13 engines without timing chain replacement proof.
  • Reconditioned: Ideal for E87 N46/N43 engines, includes essential gasket/seal replacements addressing 116i’s oil leaks.
  • Rebuilt: Recommended for F20 N13/B38 engines - includes upgraded tensioners and PCV valves targeting 116i-specific wear.
  • Remanufactured: Optimal for F40 B48 engines - full disassembly with carbon cleaning and timing component replacement for stop-start durability.

Our UK specialists pre-test all engines for 116i-specific parameters including VANOS operation, turbo response, and emissions compliance before delivery.

BMW 1 Series 116i Engines in Stock

Our stocked 1 Series 116i reconditioned engines include model-specific component upgrades:

  • N13B16A: Reinforced timing chain tensioner (P/N 11317589858), upgraded oil control rings, reconditioned VANOS solenoids
  • B38B15M0: Upgraded turbo actuator, reinforced PCV valve, new engine mounts specific to F20 chassis
  • B48A20U1: Walnut-blasted intake valves, reinforced timing components (P/N 11318613889), reconditioned high-pressure fuel pump
  • N46B20C: Upgraded VANOS solenoids (P/N 11367503834), new chain guides, reconditioned oil pump with 116i-specific flow rates

Every engine is bench-tested for 116i-specific parameters: idle stability, throttle response, boost pressure, and emissions output - ensuring direct OEM fitment without ECU errors.

Warranty for Replacement BMW 1 Series 116i Engines

All reconditioned and rebuilt 1 Series 116i engines come with a 12-month warranty covering model-specific failure points:

  • Covers timing chain systems on N13/B48 engines (excluding pre-existing damage)
  • Includes turbo actuators and PCV valves on B38 units
  • Covers VANOS solenoids and oil pumps on N46/N43 engines
  • Excludes damage from improper installation or lack of maintenance

Engine Finders is a price comparison platform. Warranty terms are set by individual suppliers - please confirm coverage details including labor inclusion before purchase.

Where to buy BMW 1 Series 116i replacement engine | Engine Finders

Expert Tips for Choosing the Right Engine for Your BMW 1 Series 116i

BMW 1 Series 116i Engine Types Explained

  • Rebuilt N13B16A: Essential for F20 116i with tensioner P/N 11317589858
  • Reconditioned N46B20C: Best for E87 116i with unique exhaust cam profiles and VANOS upgrades
  • Remanufactured B48A20U1: Required for F40 116i stop-start carbon buildup and timing wear
  • Used B38B15M0: Only if under 80k miles with proof of PCV and turbo actuator replacement

BMW 1 Series 116i Replacement Engine Cost in the UK

  • N13B16A rebuilt: £1,950 - includes tensioner upgrade for 2011-2015 F20 models
  • B48A20U1 reman: £3,250 - walnut-blasted valves for 2019+ F40 stop-start systems
  • N43B16A recond: £1,551 - HPFP and injector replacement for 2007-2011 E87 chassis
  • Save £800+ via Engine Finders - direct supplier quotes, no middlemen or hidden fees

Finding the Right BMW 1 Series 116i Engine

  • Check VIN: 8th digit “P” = N13B16A for F20 116i (2011-2015), “3” = B38 for F20 LCI
  • F20 (2011-2019) ≠ F40 (2019+) - engine mounts, wiring, and ECU calibration differ significantly
  • Avoid E87 N46 engines from 3 Series - 116i has unique cam profiles and throttle mapping
  • Verify build date: Pre-2013 N13 engines need mandatory tensioner upgrade (P/N 11317589858)

BMW 1 Series 116i Petrol vs Diesel Engines

  • 116i is petrol-only - no diesel variants exist, unlike 116d or 118d models
  • N13/B38/B48 petrols: Focus on timing chain (N13), PCV (B38), carbon (B48) failures
  • ULEZ-compliant: All F20/F40 116i petrols exempt; E87 pre-2006 may face charges in London
  • City drivers: B38 1.5L ideal for fuel economy; motorway: B48 2.0L for overtaking power

Quality Assurance & Warranty

  • N13 rebuilds: Must include tensioner P/N 11317589858 - verify receipt with warranty
  • 12-month warranty: Covers timing chains on N13/B48, PCV on B38 - excludes improper install
  • Bench-tested: Confirms idle stability, boost pressure, emissions for 116i-specific ECU maps
  • Engine Finders vets suppliers: Request proof of BMW-specific rebuild certifications

Compare & Save on BMW 1 Series 116i Engines

  • Compare 3+ quotes: Some suppliers skip N13 tensioner upgrade to undercut pricing
  • Ask for parts list: Must include model-specific items like B38 turbo actuator or N46 VANOS
  • Local vs national: Local may offer fitting; national often has better rebuild expertise
  • Engine Finders advantage: Direct supplier access = £500-£800 avg savings vs main dealers

BMW 1 Series 116i Engine Works: How Experts Rebuild Engines

When your engine fails, BMW 1 Series 116i 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.

1. Disassembly & Inspection: Complete teardown with magnetic particle inspection of N13/B48 blocks. Critical check: N13 timing chain guide wear (BMW SIB 11 03 13) and B38 turbo shaft play. All fasteners cataloged by torque spec - e.g., B48 head bolts at 25Nm + 90° + 90°.

2. Component Replacement: Mandatory upgrades: N13 tensioner (P/N 11317589858), B38 PCV valve, B48 chain guides. N46 engines get upgraded VANOS solenoids (P/N 11367503834). All gaskets/seals replaced with BMW OE-spec Viton or MLS materials.

3. Precision Machining: Cylinder heads resurfaced to 0.05mm flatness spec. Crankshafts polished to OEM tolerances. N43/N46 blocks honed for correct piston-to-wall clearance (0.02-0.04mm). All machining done with BMW-recommended tooling.

4. Reassembly with Torque Sequences: Follows BMW factory torque patterns: B48 head bolts in 3-stage sequence (25Nm + 90° + 90°), N13 chain tensioner at 22Nm. Uses calibrated torque wrenches and angle gauges. Timing set with BMW-specific tools (e.g., 11 4 350 for N13).

5. Bench Testing & ECU Matching: Cold/hot idle tests, compression checks (min 12 bar), leak-down tests (<5%). ECU flashed with 116i-specific software - F20 N13 vs F40 B48 maps differ significantly. Confirms no error codes for VANOS, boost, or emissions.

6. Final Quality Control: 48-hour oil pressure test. Visual inspection for leaks. Documentation includes parts used (with OEM numbers), torque specs, test results. Packaged with 116i-specific mounting brackets and hardware for direct fitment.

Frequently Asked Questions - BMW 1 Series 116i Engines
How much for a BMW 1 Series 116i N13B16A engine replacement?

Reconditioned pricing:
£1,950 for N13B16A (F20 116i, 2011-2015)
• Includes upgraded tensioner P/N 11317589858
• 12-month warranty on timing components
• Save £800+ vs main dealer through Engine Finders

What causes N13 timing chain failure in 1 Series 116i?

Primary causes specific to 116i:
• Plastic tensioner wear (OEM 11317589858) accelerated by 116i’s lower oil change intervals
• Oil starvation from clogged pickup tube - common in stop-start city driving
• BMW SIB 11 03 13 confirms design flaw in 2011-2013 F20 models
• Rebuilds must include metal-backed tensioner and new guides

Is B38B15M0 in 1 Series 116i same as in MINI?

No - critical differences:
• Unique engine mounts and accessory brackets for F20 chassis
• Different ECU calibration for 116i throttle response and emissions
• Turbo actuator failures more common in 116i due to lower boost masking wear
• Always verify fitment - MINI engines won’t bolt directly into 116i

Which 1 Series 116i engines need EGR cooler replacement?

Petrol 116i doesn’t have EGR - common misconception:
• N13/B38/B48 are turbo petrols - no EGR system unlike diesel 116d
• Carbon buildup occurs via direct injection, not EGR - requires walnut blasting
• PCV valve failure (B38) often misdiagnosed as “EGR issue”
• Always confirm engine code: 116i = petrol, 116d = diesel

What’s included in a 1 Series 116i B48 engine rebuild?

F40-specific rebuild components:
• Walnut-blasted intake valves for stop-start carbon buildup
• Reinforced timing chain guides (P/N 11318613889)
• Reconditioned high-pressure fuel pump and injectors
• New PCV valve and crankcase breather - critical for 2019+ models

How to identify my 1 Series 116i engine code?

Three reliable methods:
• VIN decoder: 8th digit “P” = N13B16A (F20), “3” = B38B15M0 (F20 LCI)
• Engine bay sticker: Located on timing cover or strut tower
• Service book: Lists engine code under “Technical Specifications”
• Never guess - F20 vs F40 engines have different ECUs and mounts

Is N46B20C in 1 Series 116i same as in 3 Series?

No - significant differences:
• Unique exhaust camshaft profiles for 116i’s lower power output
• Different throttle body and intake manifold casting numbers
• VANOS solenoid calibration specific to E87 chassis dynamics
• Swapping 3 Series engine requires ECU reprogramming - not plug-and-play

What warranty covers 1 Series 116i engine replacements?

Standard 12-month coverage:
• Covers timing chains on N13/B48, PCV on B38, VANOS on N46
• Excludes damage from improper installation or lack of oil changes
• Labour typically not included - confirm with supplier before purchase
• Engine Finders connects you to suppliers - discuss terms directly

How long does 1 Series 116i engine replacement take?

Typical timeline:
3-5 days for supply only - UK stock for common codes like N13/B48
1-2 days for fitting by specialist - requires BMW-specific tools
• F20 models need ECU adaptation; F40 requires emissions relearn procedure
• Engine Finders matches you with local suppliers for faster turnaround

Can I fit a 1 Series 116i engine myself?

Not recommended without expertise:
• Requires BMW-specific tools: timing locks (11 4 350 for N13), torque wrenches
• ECU coding mandatory - generic OBD tools won’t work on F20/F40
• Cooling system bleeding procedure is model-specific - airlocks cause overheating
• Engine Finders recommends professional fitting - most suppliers offer installation