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Picking the right BMW 3 Series oil pan matters because it affects engine lubrication, leak prevention, and how easy routine maintenance will be. A poorly chosen pan can lead to fitment problems or premature wear that interrupts vehicle use. This guide presents our shortlisted top picks in the oil pan category so you can focus on pans that meet common needs like correct fitment, corrosion resistance, and serviceability. We evaluated each option on fit accuracy and material durability, plus factors such as drain access and sealing design. Read on to see the top candidates and practical notes to help you pick the right pan for your BMW 3 Series.
Looking for other parts? See all BMW 3 Series parts & accessories.
Top Picks at a Glance
| Best Overall The best all-around choice for most situations | MITZONE Aluminum Engine Oil Pan for BMW N20/N26 2.0L (replaces 11137618512) |  |
| Best quality Built to a higher standard if you want something more solid | A-Premium Engine Oil Pan with Drain Plug for BMW 335i/135i/Z4 L6 3.0L |  |
| Best Value The sweet spot between price and what you get | PartsFlow Engine Oil Pan with Gasket for BMW (11137618512) |  |
| Best Budget The cheapest option that still gets the job done reliably | Weonefit Aluminum Engine Oil Pan Replacement 11137618512 for BMW 2.0L Models |  |
| Highest Rated A top-rated pick with lots of positive feedback | KAX Engine Oil Pan for BMW 3 Series and Related Models (with Drain Plug and Gasket) |  |
| Most Popular A crowd favorite that many people choose with confidence | A-Premium Engine Oil Pan with Drain Plug for BMW 2.0L Turbo (Select 3/4/5 Series, X1, Z4) |  |
| Best Seller A high-volume bestseller chosen again and again | BINB ROAD Aluminum Engine Oil Pan with Gasket for BMW 228i/320i/328i/428i/528i/X1/Z4 (F-series) |  |
1. MITZONE Aluminum Engine Oil Pan for BMW N20/N26 2.0L (replaces 11137618512)
| Manufacturer | MITZONE |
|---|---|
| Exterior | Aluminum |
| Manufacturer Part Number | 022-016ALU |
| OEM Part Number | 11137618512 |
This MITZONE aluminum oil pan is a direct-fit replacement for BMW 2.0L N20/N26 and SULEV engines used on many 3 Series and related models. It replaces the factory plastic pan with a cast aluminum unit intended to resist deformation, heat, and corrosion during normal driving and service. Typical use is as a repair or upgrade when the original pan is cracked, damaged, or leaking; installation requires cleaning mating surfaces and using an appropriate gasket or silicone sealant since the pan does not include an integrated rubber gasket. Reviewers report good fitment and improved durability on F30/F32 platforms, and the aluminum construction makes handling and oil changes easier. Known limitations are occasional fitment/bolt count issues on some specific submodels and the need to choose the correct sealing method because the pan lacks gasket grooves. For buyers who want a stiffer, longer-lasting pan than the original plastic part and are comfortable fitting with sealant or a flat metal/rubber gasket, this is a practical upgrade; those who want a pan with a pre-molded gasket surface should consider other options.
Best for: Balanced owners looking for a durable, longer-lasting replacement oil pan who prioritize reliability and practical upgrades over factory-original materials.
Less Ideal for: Buyers who want a replacement with an installed rubber gasket or guaranteed bolt-for-bolt identical features should consider alternatives that include gasket grooves and confirmed fitment for their exact submodel.
- Cast aluminum construction resists deformation, heat, and corrosion compared with plastic pans
- Designed to replace factory part 11137618512 for a direct-fit installation on compatible BMW 2.0L engines
- Positive user reports of good fitment and easier oil changes on F30/F32 platforms
- Works as a durable repair or upgrade to stop leaks caused by cracked or damaged factory pans
- Does not include a molded rubber gasket or gasket grooves so a sealant or flat gasket is required
- Some buyers reported missing bolt holes or fitment differences on specific submodels
Verdict: A stiff, cast-aluminum direct-replacement oil pan built to outlast plastic factory pans and stop leaks on BMW N20/N26 2.0L engines.
2. A-Premium Engine Oil Pan with Drain Plug for BMW 335i/135i/Z4 L6 3.0L
| Compatible Models | BMW 135i 2008-2013; 335i 2007-2013; 335is 2011-2013; 1 Series M 2011; Z4 2009-2016 |
|---|---|
| Engine | L6 3.0L |
| Material Type | Aluminum |
| Includes | Drain Plug |
| Condition | Brand New |
This A-Premium engine oil pan is a direct-fit replacement designed for BMW 135i, 335i, 335is, 1 Series M and Z4 models with the L6 3.0L engine. It installs in place of the factory sump to restore a sealed oil reservoir and includes a drain plug for routine oil changes. Made from aluminum with a corrosion-resistant finish, it aims to stop oil leaks, correct low oil level symptoms and reduce excessive oil consumption when the original pan is damaged. The vehicle-specific fit simplifies installation for a competent DIYer or a professional shop and the included drain plug avoids sourcing extra hardware. Limitations to consider are that the pan ships without a gasket and the manufacturer warranty only covers the part cost, so labor and related repair expenses are not covered. For performance-focused owners the metal construction and exact-fit design make it a sensible quality replacement, though buyers should plan to use a new gasket and professional installation if they want a long-term, leak-free result.
Best for: Performance-oriented BMW owners who prioritize a factory-quality replacement to restore reliable oil containment and support sustained engine performance under spirited driving.
Less Ideal for: Buyers looking for a complete installation kit or a DIYer unwilling to source a proper gasket and torque-specific fasteners should consider alternatives that include full sealing hardware.
- Vehicle-specific fit for BMW L6 3.0L models simplifies installation and alignment
- Aluminum construction with corrosion-resistant finish for durability and heat dissipation
- Includes drain plug to allow normal oil changes without additional parts
- Brand-new replacement intended to resolve oil leaks and low oil level issues
- Ships without a gasket, so a separate seal must be purchased for installation
- Warranty covers only the cost of the part and excludes labor and related expenses
Verdict: A quality aluminum replacement oil pan tailored to BMW L6 3.0L models that restores oil containment but requires a separate gasket and professional installation for best results.
3. PartsFlow Engine Oil Pan with Gasket for BMW (11137618512)
| Manufacturer | PartsFlow |
|---|---|
| Model | Engine Oil Pan with Gasket |
| Manufacturer Part Number | PF103189 |
| OEM Part Number | 11137618512, 11137606632, 11137622125, 11137627512 |
This PartsFlow engine oil pan is a direct replacement designed to match factory mounting locations for a range of BMW 2 and 3 Series models. It is typically used when an oil pan is damaged, leaking, or undergoing routine engine repairs and is offered in configurations that may include the gasket and drain plug. The pan is described as having a precision-machined sealing surface to reduce leaks and engineered for corrosion resistance and accurate fitment, which helps simplify installation and reduces the need for extra machining or modification. Practical benefits include broad vehicle coverage for common BMW model years, the option to receive necessary sealing components with some SKUs, and reportedly consistent quality from a parts supplier focused on reliable replacement parts. Limitations are that fitment must be confirmed by OE reference numbers and some listings may not include the gasket or drain plug, so buyers should verify the exact SKU contents before ordering.
Best for: Practical optimizers who want a budget-friendly, factory-quality replacement that focuses on reliable fit and leak resistance for common BMW 3 Series repair jobs.
Less Ideal for: Buyers seeking a warranty-backed dealer part or those who prefer a complete OEM kit with guaranteed included hardware should consider alternatives.
- Precision-machined sealing surface designed to minimize oil leaks
- Engineered to match factory mounting locations for accurate fitment
- Available SKUs may include gasket and drain plug to simplify reinstall
- Designed for corrosion resistance and long-term durability
- Not all SKUs include gasket or drain plug so additional parts may be required
- Fitment requires checking OE/reference numbers to ensure correct application
Verdict: A cost-effective, factory-fit replacement oil pan for common BMW 3 Series models that focuses on leak-resistant sealing and accurate installation.
4. Weonefit Aluminum Engine Oil Pan Replacement 11137618512 for BMW 2.0L Models
| Manufacturer | Weonefit |
|---|---|
| Material | Aluminum |
| Drain Plug Included | Yes |
| Fitment Note | Replacement for listed BMW 2.0L models |
This Weonefit aluminum oil pan is an aftermarket replacement designed for BMW 2.0L engines used in several 3 Series and related models. It replaces the factory plastic or stamped pan and collects engine oil for circulation and drainage; a drain plug is included but a gasket is not. The pan’s aluminum construction and corrosion-resistant finish make it a durable option for budget repairs or upgrades, and the listing calls for using sealant during installation rather than a factory-style gasket. In practice this works well for owners comfortable preparing the sealing surface and applying RTV sealant, and customers report generally good fit and sturdiness. However, the pan requires careful gasket/sealant selection and precise installation—some buyers reported gasket fit issues or installation problems that led to leaks. This product is best for cost-conscious DIYers or shops replacing a damaged pan where a lower-cost aluminum alternative is acceptable, but it is not ideal if you need a drop-in, gasket-seated factory replacement without additional prep work.
Best for: Budget-conscious BMW owners and DIY mechanics who prioritize a lower-cost, durable aluminum replacement and are comfortable prepping the sealing surface and applying sealant during installation.
Less Ideal for: Drivers seeking a true drop-in factory-style pan with a pre-formed gasket or those who prefer to avoid any additional sealant or fitment work should consider OEM or fully gasketed replacements instead.
- Aluminum construction offers improved corrosion resistance and perceived durability over some plastic pans
- Includes drain plug so oil changes can be performed without additional parts
- Designed to fit multiple BMW 2.0L models listed, useful for repairs across the 3 Series family
- Corrosion-resistant surface finish helps long-term service in road salt and moisture conditions
- Sold without a pre-installed gasket and requires sealant (not included) which adds installation steps
- Some reports of gasket fitment and sealing difficulties that can lead to leaks if not installed precisely
Verdict: A cost-effective aluminum replacement oil pan for BMW 2.0L engines that saves money if you can handle sealant-based installation.
5. KAX Engine Oil Pan for BMW 3 Series and Related Models (with Drain Plug and Gasket)
| Brand | KAX |
|---|---|
| Model | Engine Oil Pan |
| Exterior | Machined |
| Manufacturer Part Number | OO1EOP04000 |
This KAX engine oil pan serves as a factory-style replacement for multiple BMW 2.0T engines in the 3 Series and related models. It functions as the oil reservoir and includes a drain plug and gasket to simplify swapping the old pan during routine maintenance or repair. The pan is described as machined and thicker than economy alternatives, which helps resist impact and corrosion and reduces the chance of leaks. Fitment notes and multiple customer reports indicate accurate fit for specified BMW model years, and the part is sold as a drop-in replacement intended to meet OEM standards. Limitations to plan for: some buyers report the package may not include all mounting hardware or a separate oil pan gasket sealant, so you should verify bolt fitment and have sealant on hand for a clean install. This is a practical, reliability-focused option for owners looking to replace a damaged or leaking pan without upgrading to performance aftermarket parts.
Best for: Reliability-focused BMW owners who prioritize a sturdy, factory-quality replacement to stop leaks and restore normal oil containment during routine maintenance or repairs.
Less Ideal for: If you want an upgraded performance oil pan with baffling, windage control, or vehicle-specific dry-sump features, this direct-replacement pan is not the right choice.
- Designed as a direct factory-style replacement for specified BMW 2.0T models
- Includes drain plug and gasket for easier installation
- Machined, thickened construction aimed at corrosion and impact resistance
- Multiple user reports of accurate fit and no leaks after installation
- May not include all mounting bolts or hardware needed for some installations
- Some installers will want separate gasket sealant because a full pan gasket may not be provided
Verdict: A robust, factory-style replacement oil pan for BMW 2.0T models that fixes leaks and restores reliable oil containment.
6. A-Premium Engine Oil Pan with Drain Plug for BMW 2.0L Turbo (Select 3/4/5 Series, X1, Z4)
| Compatible with Vehicle Type | Car |
|---|---|
| Product Grade | like new |
| Fit Type | Vehicle Specific |
| Material Type | Plastic |
This A-Premium oil pan is a direct-fit replacement designed for 2.0L turbo BMW engines and installs where the factory pan did. It is typically used as a professional or DIY replacement to stop oil leaks, restore proper oil capacity, and return the lubrication system to serviceable condition. Notable features include a molded plastic construction with corrosion-resistant finish, a factory-style drain plug, and a included gasket for installation. Practical benefits are that it matches OEM fitment for the listed BMW models, is lighter and easier to handle than metal pans, and comes with a one-year unlimited-mileage guarantee covering the cost of the part. Important limitations are material durability under long-term heat and impact compared with aluminum pans and a few user reports of sealing issues at molded joints that required replacement with an aluminum pan. Expect standard installation procedures and verify torque specs and sealing surfaces during fitment.
Best for: Convenience-focused buyers who want a ready-to-install, vehicle-specific replacement that simplifies a common maintenance repair without sourcing extra parts.
Less Ideal for: Drivers prioritizing maximum long-term durability or heavy-duty use should consider metal oil pans or performance aftermarket options instead.
- Vehicle-specific fit for many BMW 2.0L turbo models, simplifying replacement
- Includes gasket and drain plug so fewer parts are needed at installation
- Plastic construction resists corrosion and is lighter than metal alternatives
- Matches factory-style fit and finish for straightforward installation
- Plastic material can be less impact- and heat-resistant than aluminum alternatives
- Some customers reported sealing or leakage issues at molded joints
Verdict: A convenient, vehicle-specific replacement oil pan that restores factory fitment and includes the drain plug and gasket for an easier installation.
7. BINB ROAD Aluminum Engine Oil Pan with Gasket for BMW 228i/320i/328i/428i/528i/X1/Z4 (F-series)
| Manufacturer | BINB ROAD |
|---|---|
| Manufacturer Part Number | BINBUS748-US |
| OEM Part Number | 11137618512 |
| Fitment | Compatible with listed BMW F22 F23 F30 F31 F33 F34 F36 F10 models |
This aluminum oil pan replaces the factory plastic-style pan on compatible BMW F-series vehicles to restore a durable oil containment solution. It is used as a direct-fit replacement during engine service or when repairing a damaged pan and comes with a gasket and drain plug in most kits. Aluminum construction makes it lighter than steel and helps dissipate heat from the oil, which can be beneficial on high-mileage engines or spirited driving. Several buyers report a precise fit and quieter operation compared with the original; one note from installers is that removing suspension supports may be required for access on some models. A few buyers have reported missing fasteners and minor fitment flares around the transmission dust cover, so verify hardware and inspect sealing surfaces before installation. For a cost-effective, more heat-tolerant replacement that can outlast plastic pans, this is a sensible option for routine repairs, but expect to confirm kit completeness and allow for standard installation steps on BMWs with tight underbody access.
Best for: Risk-averse mainstream BMW owners who prioritize a durable, factory-quality replacement that reduces overheating risk and returns the vehicle to reliable service without performance modifications.
Less Ideal for: Drivers seeking a performance oil pan with baffling for track use or integrated capacity changes should consider purpose-built aftermarket options instead.
- Aluminum construction improves heat dissipation compared with plastic pans
- Lighter than typical steel pans which can slightly reduce vehicle weight
- Includes gasket and drain plug in the package for a near-complete replacement
- Multiple user reports of accurate fit to BMW F-series models and quieter operation
- Some customers reported missing mounting hardware in the package
- May require removal of suspension support for installation on certain BMW models
- Minor fitment adjustments reported around the transmission dust cover on a few vehicles
Verdict: A practical aluminum replacement for BMW F-series oil pans that improves durability and cooling but verify hardware and expect standard installation work.
Choosing the Right BMW 3 Series Oil Pan: Key Factors to Consider
Fitment And Compatibility
Correct fitment is critical because the oil pan must align precisely with engine block bolt patterns, sensor ports, and clearance zones. A well-matched pan prevents leaks, avoids contact with suspension or exhaust components, and ensures the oil pickup remains correctly positioned. When fit is off even slightly it can cause sealing failures or interfere with other engine bay parts. Verify bolt pattern accuracy, sensor hole locations, and clearance for crossmembers or heat shields. For many owners, a direct-fit pan reduces installation time and the chance of post-installation leaks.
Material And Corrosion Resistance
The pan material affects durability, dent resistance, and long-term corrosion performance. Steel pans are common for strength and repairability, while aluminum offers weight savings and better heat dissipation but can be more prone to impact damage. Look for corrosion-resistant coatings, thicker gauge material where impact is likely, and design features that shed road debris and moisture. Material choice influences both longevity and how the pan responds to minor impacts or road salt.
Sealing Surface And Gasket Interface
A flat, properly machined sealing surface reduces the risk of oil seepage at the flange and around sensor ports. The pan must mate cleanly with the engine block and allow a proper gasket or sealant to form a continuous barrier. Consider whether the design uses a full-width gasket, tapered flange, or requires specific sealants. Ease of achieving an even torque on bolts across the flange also matters to prevent distortions that lead to leaks.
Drain Access And Serviceability
Accessible drain plugs and service-friendly pan shapes make routine oil changes faster and cleaner. A well-placed drain plug that is compatible with standard wrenches and positioned to empty most of the oil saves time and reduces leftover fluid. Also evaluate whether the pan allows for easy removal without disturbing other components, and whether internal baffles or magnets are accessible for inspection and cleaning. These details affect maintenance frequency and convenience.
Internal Baffling And Oil Control
Internal baffles control oil movement during cornering, acceleration, and braking to keep the pickup submerged and maintain steady oil pressure. Effective baffling reduces the risk of momentary oil starvation under dynamic driving conditions. Assess whether the pan design includes proper baffling, trap doors, or pickup pockets sized for the BMW 3 Series oil pickup location. For drivers who encounter spirited driving or steep grades, better oil control is a practical benefit.
Mounting Hardware And Bolt Pattern Quality
Consistent hole alignment, chamfered bolt holes, and durable mounting bosses make installation repeatable and reduce the chance of flange distortion. High-quality bolt patterns help achieve even clamping pressure across the sealing surface. Check whether replacement pans specify torque recommendations, include hardened hardware, or provide reinforced areas around frequently torqued holes. These details affect leak prevention and long-term flange integrity.
How We Chose the Best BMW 3 Series Oil Pan
We prioritized oil pans that deliver reliable fitment to BMW 3 Series engine layouts and durable construction that resists corrosion and impact. Key evaluation criteria included material type and thickness, flange and mounting precision, drain location and size, sealing surface quality, and compatibility with factory sensors and baffles. We also considered ease of maintenance features such as accessible drain plugs and service-friendly shapes that reduce fluid handling time. We excluded pans with unclear fitment data, incompatible sensor ports, or poor sealing flange tolerances. We did not include items lacking verified material specifications or pans designed for heavy modifications that alter oiling behavior. The final list reflects products that balance correct OEM-style fitment, long-term durability, and practical serviceability for typical BMW 3 Series owners.
Our full evaluation process is outlined in our review methodology.
FAQ
How do I know if my BMW 3 Series oil pan is leaking?
Look for fresh oil spots under where you park, dampness on the pan flange, or oil streaks on nearby components. A burning oil smell or low oil level between changes also commonly indicates a leak. Confirm the source visually with the engine cool and cleaned, since leaks can travel before dripping.
Can I replace the oil pan gasket without removing the pan?
Usually the pan must be removed to replace the gasket properly because the sealing surfaces need to be cleaned and inspected. In some temporary cases a localized repair or sealant may reduce a minor seep, but a full gasket replacement generally requires pan removal for a reliable fix.
What torque should I use on oil pan bolts for a BMW 3 Series?
Torque values often vary by model year and bolt size, so consult the manufacturer torque spec for your specific engine. Bolts should be tightened in a crossing pattern to the specified value to avoid flange distortion. If you do not have the spec, check an official service manual or a trusted technical source before tightening.
Are aftermarket oil pans a good option for reliability?
Aftermarket pans can be a practical option if they provide accurate fitment, quality materials, and proper sealing surfaces. Reliability depends on build quality and adherence to OEM mounting and sensor locations. Choose pans with clear fitment data and good material specs to reduce risk.
How does an internal oil baffle affect engine performance?
Internal baffles primarily protect oil supply during dynamic driving rather than changing engine power. They help maintain steady oil pressure by keeping the pickup submerged during cornering or uneven acceleration. For drivers who push the vehicle or encounter steep grades, better baffling improves oiling reliability.
What should I inspect after installing a replacement oil pan?
After installation, check for any signs of leaks around the flange and drain plug, verify that sensors and drain bolts are present and tightened to spec, and confirm the oil level after refilling. Recheck torque after a short break-in drive, and look for any unusual noises or oil pressure warnings.
Conclusion
Prioritize pans that deliver precise fitment, robust materials, and a reliable sealing flange when choosing a BMW 3 Series oil pan. Balance serviceability features like accessible drain plugs and baffle design against durability factors such as material thickness and corrosion protection. Decide based on the driving conditions you face and how often you service the vehicle. For most owners, the best choice is a pan that minimizes installation risk, reduces the chance of leaks, and simplifies routine maintenance without introducing compatibility issues.
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