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BMW · Known Issues

2013 BMW 1 Series Problems: 6 Known Issues

2013 model year · 880+ owner reports · Updated September 2026

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Issue summary

According to Au7o's analysis of 880+ owner reports, the 2013 BMW 1 Series has 6 documented known issues, with 3 rated critical. The most serious are N20 Timing Chain and Guide Failure ($1,800-$3,500 repair), Electric Water Pump Failure ($600-$1,200 repair) and 135i Overheat Warning May Require Electric Coolant-Pump Diagnosis. The most commonly reported issue is N20 Timing Chain and Guide Failure with 340 owner reports. Across all issues with published estimates, repair costs range from $215 to $3,500. DIY maintenance guides at au7o.io.

In This Article

  • 1 Series Engine4
  • 1 Series Other1
  • 1 Series Cooling1
  • FAQ
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In This Article

  • Engine4
  • Other1
  • Cooling1
  • FAQ

All 6 Known Issues

Filter:
ALL YEARS201920182017201620152014201320122011201020092008

When Issues Typically Appear

Oil Filter Housing Gasket Leak
50K-80K
N20 Timing Chain and Guide Failure
60K-80K
Electric Water Pump Failure
60K-100K
Oil Filter Housing Gasket Leak (All 1 Series E82/E88)
60K-80K
025K50K75K100K mi
Community reported
340 owners

On the 2012-2019 BMW 1 Series N20, the N20 four-cylinder engine in the 1 Series is prone to premature timing chain stretch and guide failure, particularly in models built before 2015. The plastic chain guides become brittle over time and can break apart, allowing chain slack that leads to jumped timing. This can cause catastrophic engine damage if the chain skips enough teeth.

This issue also affects: BMW 2 Series Active Tourer, BMW 2 Series, BMW 3 Series

Common Symptoms

  • Rattling noise from front of engine on cold start
  • Check Engine light with codes P0016 or P0017 (cam/crank correlation)
  • Rough idle that smooths out after warming up
  • Reduced engine power or limp mode
  • Metallic scraping sound from timing cover area
  • Engine misfires at low RPM

How to Fix

Replace the timing chain, tensioner, and all chain guides. BMW released an updated chain guide design for 2015+ production. On earlier models, use the updated parts during replacement. The job requires removing the front of the engine and is labor-intensive (8-12 hours). Some owners opt for preventive replacement at 60,000-80,000 miles.

Typical repair cost:$1,800 - $3,500

Research This Issue

Based on 340 owner reports

GoogleRedditYouTubeNHTSA
Community Reported
High Confidence340 owner reportsLast reported by owners Mar 2026Reviewed Mar 2026
Community reported
280 owners

On the 2012-2019 BMW 1 Series N20, the oil filter housing gasket on the N20 engine deteriorates and leaks oil onto the serpentine belt and down the front of the engine. This is one of the most common oil leak points on the N20 and typically appears between 50,000-80,000 miles. The gasket hardens from heat cycling and loses its seal. Oil can drip onto the alternator and cause secondary electrical issues.

This issue also affects: BMW 2 Series, BMW 3 Series, BMW 4 Series

Common Symptoms

  • Oil smell from engine bay, especially after highway driving
  • Visible oil residue around oil filter housing area
  • Oil dripping onto serpentine belt causing squeal
  • Low oil level warning between oil changes
  • Oil spots on driveway near front of vehicle
  • Smoke from engine bay when oil hits hot exhaust components

How to Fix

Replace the oil filter housing gasket. This is a moderately involved job requiring removal of the intake manifold for access. Replace the oil cooler gasket at the same time as it's in the same area. Clean all oil residue from the serpentine belt and pulleys to prevent belt squeal.

What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

  • Genuine BMW oil-filter-housing-to-block gasket 11428637821
    OEM11428637821

    Housing-to-engine-block leak repair.

    BMW Parts Deal
  • Genuine BMW oil-cooler/heat-exchanger gasket 11428637820
    OEM11428637820

    Oil-cooler-to-filter-housing leak repair. Fitment: F20/F21 BMW 125i with N20 only when the leaking cooler joint and VIN catalog call for BMW 11428637820..

    BMW Parts Deal

As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

Typical repair cost:$400 - $900

Research This Issue

Based on 280 owner reports

GoogleRedditYouTubeNHTSA
Community Reported
High ConfidenceVerified280 owner reportsLast reported by owners Mar 2026Reviewed Aug 2026

On the 2008-2013 BMW 1 Series, all BMW 1 Series E82/E88 models (2008-2013) with N52, N54, and N55 engines develop oil filter housing gasket (OFHG) leaks as the rubber gaskets harden and crack from repeated heat cycling. Oil seeps from the gasket between the oil filter housing and engine block, dripping onto the exhaust manifold below. This creates a burning oil smell, visible smoke, and presents a FIRE RISK as oil accumulates on hot exhaust components. The leak typically starts around 60,000-80,000 miles and worsens progressively. N52 (128i) uses Elring gasket PN 11427537293 ($10-25). N54/N55 (135i/1M) uses FCP Euro kit PN 11428637821KT or individual Elring gaskets PN 11428637820 + 11428637821. This is a well-known BMW issue across all models of this era - 1Addicts forum considers it routine maintenance, not a defect.

This issue also affects: BMW 2 Series, BMW 5 Series, BMW 3 Series

Common Symptoms

  • Burning oil smell from engine bay (oil dripping on exhaust)
  • Visible oil seepage around oil filter housing
  • Oil drips on driveway under passenger side of engine
  • Smoke from engine bay when engine is hot
  • Low oil warnings between oil changes
  • Oil residue on serpentine belt and pulleys

How to Fix

Replace oil filter housing gasket(s). N52 (128i): Elring gasket PN 11427537293 ($10-25), labor $150-300. N54/N55 (135i/1M): FCP Euro kit PN 11428637821KT or Elring gaskets PN 11428637820 + 11428637821, labor $200-400. Total: $215-450. DIY-friendly on N52 (1-2 hours). N54/N55 more involved due to turbo components. FIRE RISK: Do not ignore oil dripping on exhaust - clean accumulated oil from exhaust manifold during repair. Replace oil filter housing cap O-ring at same time (often overlooked and leaks separately).

What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

  • Genuine BMW oil-filter-housing-to-block gasket 11428637821
    OEM11428637821

    Housing-to-engine-block leak repair. Fitment: 2008-2013 E82/E88 128i/135i and 2011 1 Series M Coupe applications listed by BMW when the housing-to-block joint is leaking; confirm VIN..

    BMW Parts Deal
  • Genuine BMW oil-cooler/heat-exchanger gasket 11428637820
    OEM11428637820

    Fitment: 2008-2013 E82/E88 128i/135i and 2011 1 Series M Coupe applications listed by BMW when the cooler joint is leaking; confirm VIN..

    BMW Parts Deal

As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

Typical repair cost:$215 - $450

Research This Issue

GoogleRedditYouTubeNHTSA
Community Reported
Medium ConfidenceVerifiedReviewed Aug 2026

On the 2008-2013 BMW 1 Series, all BMW 1 Series E82/E88 models (2008-2013) use plastic valve covers that crack, warp, and deteriorate from engine heat cycling. The valve cover integrates the PCV (Positive Crankcase Ventilation) system, so when the valve cover fails, the PCV also fails - causing oil leaks, vacuum leaks, rough idle, and check engine lights. The plastic valve cover warps from repeated heating/cooling cycles, breaking the seal with the cylinder head. N52 (128i) uses Genuine BMW valve cover PN 11127552281 ($225). N54/N55 (135i/1M) uses Genuine BMW valve cover PN 11127565284 ($350-500), with URO Parts offering a cheaper alternative ($180). This is a well-documented failure on 1Addicts and Bimmerpost - the plastic valve covers are considered a design flaw that BMW has not corrected. Replace with OEM BMW for best longevity.

This issue also affects: BMW 2 Series, BMW 5 Series, BMW 3 Series

Common Symptoms

  • Oil leaking from valve cover gasket area
  • Rough idle and engine misfires (PCV failure causes vacuum leak)
  • Whistling or hissing noise from engine (cracked valve cover)
  • Check engine light with lean/misfire codes
  • Burning oil smell from oil on exhaust
  • Oil accumulation around spark plug wells (fouling plugs)
  • Excessive crankcase pressure (oil pushed past seals)

How to Fix

Replace valve cover assembly (includes integrated PCV). N52 (128i): Genuine BMW PN 11127552281 ($225), labor $200-400. N54/N55 (135i/1M): Genuine BMW PN 11127565284 ($350-500) or URO alternative ($180), labor $250-500. Total: $580-1,185. Replace valve cover bolts simultaneously - they stretch and lose clamping force. Use OEM BMW valve cover for best longevity (URO alternative is cheaper but may not last as long). While valve cover is removed, replace spark plugs and inspect coils to save on future labor.

What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

  • Genuine BMW N51/N52 cylinder-head cover 11127552281
    OEM11127552281

    Fitment: 2008-2013 E82/E88 128i with N51/N52 only when the cover is warped/cracked or its integrated PCV has failed; confirm VIN..

    BMW Parts Deal
  • Genuine BMW N54 cylinder-head cover 11127565284
    OEM11127565284

    Fitment: 2008-2010 E82/E88 135i and 2011 1 Series M Coupe with N54 only when the cover or integrated PCV has failed; confirm VIN..

    BMW Parts Deal
  • Genuine BMW N55 cylinder-head cover 11127570292
    OEM11127570292

    Fitment: 2011-2013 E82/E88 135i with N55 only when the cover is warped/cracked or its integrated PCV has failed; confirm VIN and production date..

    BMW Parts Deal

As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

Typical repair cost:$580 - $1,185

Research This Issue

GoogleRedditYouTubeNHTSA
Community Reported
Medium ConfidenceVerifiedReviewed Aug 2026
Community reported
260 owners

On the 2012-2019 BMW 1 Series, bMW's electric water pump used in the 1 Series is known to fail prematurely, often between 60,000-100,000 miles. The pump's internal impeller can crack or the electronic controller can malfunction, resulting in loss of coolant circulation. Overheating can occur rapidly since the pump provides all engine cooling flow. BMW has revised the pump design multiple times.

This issue also affects: BMW 2 Series, BMW 5 Series, BMW 6 Series

Common Symptoms

  • Engine temperature warning on dashboard
  • Coolant temperature gauge rising rapidly
  • Reduced engine power message
  • Steam from under the hood
  • Whining or grinding noise from water pump area
  • Heater blowing cold air intermittently
  • Coolant loss without visible external leak

How to Fix

Replace the electric water pump assembly. Use the latest revision part number for improved longevity. The thermostat should be replaced at the same time as it's integrated into the cooling system and often fails concurrently. Bleed the cooling system thoroughly after replacement — air pockets can cause hot spots and additional overheating.

Typical repair cost:$600 - $1,200

Research This Issue

Based on 260 owner reports

GoogleRedditYouTubeNHTSA
Community Reported
High Confidence260 owner reportsLast reported by owners Mar 2026Reviewed Mar 2026

On the 2008-2013 BMW 1 Series, bMW SIB 01 13 21 identifies 2008-2013 E82/E88 135i vehicles with N54 or N55 engines in the electric coolant-pump settlement population. The bulletin provides a diagnosis-and-repair path when an engine warning lamp or overheat warning is present; it does not cover every E82/E88 engine and does not authorize replacing the pump solely because of mileage.

This issue also affects: BMW 2 Series, BMW 5 Series, BMW 3 Series

Common Symptoms

  • Engine warning lamp
  • Engine-overheat warning
  • Reduced-power operation may accompany overheating

How to Fix

Stop safely if an overheat warning appears and avoid continued operation until the cooling system is checked. A BMW-qualified technician should verify the VIN and engine, read fault memory and perform the current coolant-pump test plan, replacing the pump only when the diagnosis requires it. Settlement benefits were time-limited. ShowMeTheParts resolved five 2008 135i water-pump candidates, but fitment does not prove failure or remedy, so the former commerce links remain removed.

What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

  • Genuine BMW electric coolant pump 11515A05704
    OEM11515A05704

    Confirmed N54/N55 electric coolant-pump replacement. Fitment: 2008-2013 E82/E88 135i and 2011 1 Series M Coupe applications listed by BMW; confirm VIN.

    BMW Parts Deal
  • Genuine BMW upgraded steel water-pump bolt 11517602123
    OEM11517602123

    Required current-revision water-pump fastener. Fitment: N54/N55 electric water-pump installation where BMW calls for 11517602123; three bolts are used.

    BimmerWorld

As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

Research This Issue

GoogleRedditYouTubeNHTSA
NHTSA Verified
High ConfidenceVerifiedReviewed Aug 2026
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Frequently Asked Questions

What are the most common BMW 1 Series problems?

According to Au7o's analysis of 880+ owner reports, the 2013 BMW 1 Series has 6 documented issues. The most frequently reported are: N20 Timing Chain and Guide Failure, Electric Water Pump Failure, 135i Overheat Warning May Require Electric Coolant-Pump Diagnosis. Of these, 3 are rated critical and should be addressed promptly.

Is the BMW 1 Series reliable?

The 2013 BMW 1 Series has 6 known issues documented across 880+ owner reports. 3 issues are rated critical: N20 Timing Chain and Guide Failure and Electric Water Pump Failure and 135i Overheat Warning May Require Electric Coolant-Pump Diagnosis. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

How much does it cost to fix common BMW 1 Series problems?

Repair costs for known BMW 1 Series issues range from $215 to $3,500, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, N20 Timing Chain and Guide Failure, typically costs $1,800-$3,500 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What is the 2012-2019 BMW 1 Series N20 Timing Chain and Guide Failure?

The N20 four-cylinder engine in the 1 Series is prone to premature timing chain stretch and guide failure, particularly in models built before 2015. The plastic chain guides become brittle over time and can break apart, allowing chain slack that leads to jumped timing. This can c… Repairs typically run $1,800-$3,500. Severity: high.

What is the 2012-2019 BMW 1 Series Electric Water Pump Failure?

BMW's electric water pump used in the 1 Series is known to fail prematurely, often between 60,000-100,000 miles. The pump's internal impeller can crack or the electronic controller can malfunction, resulting in loss of coolant circulation. Overheating can occur rapidly since the… Repairs typically run $600-$1,200. Severity: high.

Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.

Data sourced from 880+ owner reports, NHTSA recalls, TSBs, and automotive forums.

What is the 2008-2013 BMW 1 Series 135i Overheat Warning May Require Electric Coolant-Pump Diagnosis?

BMW SIB 01 13 21 identifies 2008-2013 E82/E88 135i vehicles with N54 or N55 engines in the electric coolant-pump settlement population. The bulletin provides a diagnosis-and-repair path when an engine warning lamp or overheat warning is present; it does not cover every E82/E88 en… Severity: high.

What is the 2012-2019 BMW 1 Series Oil Filter Housing Gasket Leak?

The oil filter housing gasket on the N20 engine deteriorates and leaks oil onto the serpentine belt and down the front of the engine. This is one of the most common oil leak points on the N20 and typically appears between 50,000-80,000 miles. The gasket hardens from heat cycling… Repairs typically run $400-$900. Severity: medium.

What is the 2008-2013 BMW 1 Series Oil Filter Housing Gasket Leak (All 1 Series E82/E88)?

All BMW 1 Series E82/E88 models (2008-2013) with N52, N54, and N55 engines develop oil filter housing gasket (OFHG) leaks as the rubber gaskets harden and crack from repeated heat cycling. Oil seeps from the gasket between the oil filter housing and engine block, dripping onto th… Repairs typically run $215-$450. Severity: medium.

What is the 2008-2013 BMW 1 Series Valve Cover & PCV System Failure (All 1 Series E82/E88)?

All BMW 1 Series E82/E88 models (2008-2013) use plastic valve covers that crack, warp, and deteriorate from engine heat cycling. The valve cover integrates the PCV (Positive Crankcase Ventilation) system, so when the valve cover fails, the PCV also fails - causing oil leaks, vacu… Repairs typically run $580-$1,185. Severity: medium.