HomeEngine > FiltersBaldwin P40081 Engine Oil Filter
Part #: P40081

Baldwin P40081 Engine Oil Filter

⚙️ 11 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$22.03Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: BMW, 318i, 318is, and 318ti
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Baldwin P40081 Engine Oil Filter

The Baldwin P40081 engine oil filter is designed specifically for 1991-95 BMW models including the 318i, 318is, and 318ti. This filter ensures proper engine oil filtration with precise dimensions and includes essential components for a secure fit.

  • Compatible with 1991-95 BMW 318i, 318is, and 318ti models
  • Includes two attached gaskets and two metal washers for reliable sealing
  • Dimensions: 3 17/32 inches (89.7 mm) height, 3 3/16 inches (81 mm) outside diameter
  • Inside diameter of 1 31/32 inches (50 mm) for proper fitment
  • Comes with two O-rings to ensure leak-free installation
  • Replaces BMW part number 11421727300 and WIX 51185

Detailed Product Description

The Baldwin P40081 engine oil filter is engineered to meet the specifications required by BMW 318i, 318is, and 318ti models from 1991 to 1995. Its height of 3 17/32 inches (89.7 mm) and outside diameter of 3 3/16 inches (81 mm) provide a precise fit within the engine compartment. The filter includes two attached gaskets and two metal washers, which help maintain a secure seal and prevent oil leaks during operation. Additionally, two O-rings are furnished to enhance sealing performance. This filter replaces the original BMW part number 11421727300 and is also compatible with WIX 51185, making it a reliable replacement option for maintaining engine oil cleanliness and protecting engine components.

Applications and Problem Solving

  • Prevents engine wear by filtering contaminants from engine oil
  • Helps maintain optimal oil pressure and flow in BMW 318i, 318is, and 318ti engines
  • Reduces risk of oil leaks with included gaskets and metal washers
  • Supports engine longevity by ensuring clean oil circulation
  • Replaces worn or damaged oil filters to restore proper filtration

Installation Notes and Tips

  • Ensure engine is cool before removing the old oil filter
  • Use the two included O-rings and metal washers for proper sealing
  • Lubricate the gaskets lightly with clean engine oil before installation
  • Tighten the filter according to manufacturer torque specifications to avoid leaks
  • Dispose of the old filter and oil according to local regulations

Quality Assurance and Warranty

Baldwin engine oil filters are manufactured to meet strict quality standards for fit, form, and function. The P40081 is designed to provide consistent filtration performance for BMW 318i, 318is, and 318ti models from 1991 to 1995. While specific warranty details may vary, Baldwin products typically come with a limited warranty against defects in materials and workmanship. Always refer to Baldwin’s official documentation for complete warranty information.

BrandBaldwin
Part NumberP40081
Attached Gasket[2] Attached
Fits1991-95 BMW Automotive
Furnished Gasket[2] Metal Washers
Height3 17/32
Height (mm)89.7
Inside Diameter 11 31/32
Inside Diameter 1 (mm)50
O-Ring[2] Included
Outside Diameter 13 3/16
Outside Diameter 1 (mm)81
ReplacesBMW (Bavarian Motor Works) 11421727300; Wix 51185

This part fits 11 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1995BMW318i1.8LL4N/A(Metal Endcaps); OE Number : 11421727300
1995BMW318is1.8LL4N/A(Metal Endcaps); OE Number : 11421727300
1995BMW318ti1.8LL4N/A(Metal Endcaps); OE Number : 11421727300
1994BMW318i1.8LL4N/A(Metal Endcaps); OE Number : 11421727300
1994BMW318is1.8LL4N/A(Metal Endcaps); OE Number : 11421727300
1993BMW318i1.8LL4N/A
1993BMW318is1.8LL4N/A
1992BMW318i1.8LL4N/A
1992BMW318is1.8LL4N/A
1991BMW318i1.8LL4N/A
1991BMW318is1.8LL4N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.