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BMW 525i Replacement Catalytic Converter Information


BMW sells cars that are made to ensure top performance, and the 525i just won't run as designed without the best OEM and aftermarket auto parts. With sophisticated ingenuity and incredibly sleek style, no automobile is more revered than a luxurious BMW. Generation after generation BMW cars afford the most reliable dependability and smooth control to their customers.The innovative look of BMW cars offers aggressive function and steadfast value. The much-respected BMW logo instantly signifies a car with great style plus also an unstoppable motor and drive train. For choosy consumers with refined tastes BMW vehicles offer prestigious looks and quality engineering. When an issue comes up or a system ought to be fixed, that's not the time to save with a low-quality part. A BMW 525i needs genuine OEM and aftermarket auto parts to function at its best efficiency.People who love their cars know that only top quality aftermarket and OEM parts should be installed. Located inside the exhaust system of the vehicle, a BMW 525i Catalytic Converter functions to lower the entire harmful pollution of a car by stimulating a chemical reaction in your vehicle's emissions. BMW 525i Catalytic Converters cut emissions by oxidizing hazardous pollutants into H20 and carbon dioxide, using a metal catalyst, such as rhodium, palladium, or platinum, and expelling the catalyzed exhaust gas out the tailpipe. Properly working BMW 525i Catalytic Converters are essential to meet EPA rules for car running. Your BMW 525i Catalytic Converter is a device that mitigates the amount of hydrocarbon emissions from your car, allowing you pass your state emissions test. A car or truck is really only as good as its parts, and so the specialists here at PartsGeek are eager to help you find high quality parts for your vehicle.


They are available for the following BMW 525i years: 2005, 2004, 2003, 2002, 2001, 1995, 1994, 1993, 1992, 1991, 1990, 1989, 05, 04, 03, 02, 01, 95, 94, 93, 92, 91, 90, 89. This part is also sometimes called BMW 525i Exhaust Converters. We stock catalytic converter parts for most BMW models including 528i, 328i, 325i, 528e, 318i, 325e, 325is, M3, 745Li, 540i, 740iL, Z3, 635CSi, 745i, 328is, 325es, 323i, 318ti, 633CSi, 330Ci, X5, 330xi, 735i, 530i, 535i, 740i, 325Ci, 323is, 535is, 325, 735iL, 840Ci, 320i, 325xi, 750iL, 330i, 525iT, 533i, M5 and 318is.

We stock these Catalytic Converter brands for the BMW 525i: DEC, Bosal, Walker and Magnaflow.


› Change Vehicle
Click to Enlarge
(Read reviews)
Sale Price: $389.23
(1) In Stock
Product SKU: BMW81436
Product Note: Catalytic Converter -- California Legal
Inventory: In Stock
Condition: New

Shipping Options:
Ground

5 Year / 50,000 Mile DEC Limited Warranty

*** Legal in California and New York ***
Additional Fitment Information: Warehouse: B
Vehicle Engine
• 1995 (95) BMW 525i 2.5L 6 Cyl 

Click to Enlarge
(Read reviews)
Retail Price:
$1,686.64
Sale Price: $348.33
with FREE Shipping
(1) In Stock
Product SKU: W0133-1789763
Product Note: EPA Compliant - (48-State & Canada) EPA Tier 0 & Tier 1 emission use.
Detailed Note: Not legal for sale or use in California and New York
Important Product Info: NLA 4.15
Inventory: In Stock
Condition: New

Shipping Options:
Free Ground Shipping

5 Year / 50,000 Mile Bosal Limited Warranty

{We currently do not ship this catalytic converter to California or New York}
Additional Fitment Information: Warehouse: A
Vehicle
• 1992 (92) BMW 525i

Click to Enlarge
(Read reviews)
Sale Price: $105.23
(3) In Stock
Product SKU: 15021
Product Note: Walker EPA Standard Universal Converter -- Fits Fed & Calif Emiss. Models; Not legal for sale in the state of California. Legal for use on all vehicles licensed in New York.; Modifications and/or additional parts required.
Inventory: In Stock
Condition: New

Shipping Options:
Ground

5 Year / 50,000 Mile Walker Limited Warranty

{We currently do not ship this catalytic converter to California or New York}
Additional Fitment Information: Warehouse: B
Vehicle Body Engine
• 1995 (95) BMW 525i Sedan  2.5L 6 Cyl 

Click to Enlarge
(Read reviews)
Retail Price:
$973.95
Sale Price: $534.33
with FREE Shipping
(2) In Stock
Product SKU: W0133-1921335
Product Note: Cylinders 4-6 EPA Compliant - (48-State & Canada) EPA Tier 0 & Tier 1 emission use.
Detailed Note: Not legal for sale or use in California and New York
Position of Product: Rear
Inventory: In Stock
Condition: New

Shipping Options:
Free Ground Shipping or (Overnight and 2-Day Shipping)

5 Year / 50,000 Mile DEC Limited Warranty

{We currently do not ship this catalytic converter to California or New York}
Additional Fitment Information: Warehouse: A
Vehicle
• 2002 (02) BMW 525i

Click to Enlarge
(Read reviews)
Sale Price: $389.23
(1) In Stock
Product SKU: BMW81436
Product Note: Catalytic Converter -- California Legal
Inventory: In Stock
Condition: New

Shipping Options:
Ground

5 Year / 50,000 Mile DEC Limited Warranty

*** Legal in California and New York ***
Additional Fitment Information: Warehouse: B
Vehicle Engine
• 1994 (94) BMW 525i 2.5L 6 Cyl 

Click to Enlarge
(Read reviews)
Sale Price: $389.23
(1) In Stock
Product SKU: BMW81436
Product Note: Catalytic Converter -- California Legal
Inventory: In Stock
Condition: New

Shipping Options:
Ground

5 Year / 50,000 Mile DEC Limited Warranty

*** Legal in California and New York ***
Additional Fitment Information: Warehouse: B
Vehicle Engine
• 1991 (91) BMW 525i 2.5L 6 Cyl 

Click to Enlarge
(Read reviews)
Retail Price:
$705.89
Sale Price: $338.33
with FREE Shipping
(1) In Stock
Product SKU: W0133-1937806
Product Note: EPA Compliant Premium Load - Cylinders 1-3 The converter section contains "premium load" catalyst material with higher noble metal content for better emission performance. EPA Compliant - (48-State & Canada) EPA Tier 0 & Tier 1 emission use.
Detailed Note: Not legal for sale or use in California and New York
Position of Product: Front
Inventory: In Stock
Condition: New

Shipping Options:
Free Ground Shipping or (Overnight and 2-Day Shipping)

5 Year / 50,000 Mile Bosal Limited Warranty

{We currently do not ship this catalytic converter to California or New York}
Additional Fitment Information: Warehouse: A
Vehicle
• 2003 (03) BMW 525i

Click to Enlarge
(Read reviews)
Sale Price: $105.23
(3) In Stock
Product SKU: 15021
Product Note: Walker EPA Standard Universal Converter -- Fits Fed & Calif Emiss. Models; Not legal for sale in the state of California. Not legal for use on California emission vehicles in New York. Legal for use on Federal/EPA emission vehicles in New York.; Modifications and/or additional parts required.
Inventory: In Stock
Condition: New

Shipping Options:
Ground

5 Year / 50,000 Mile Walker Limited Warranty

{We currently do not ship this catalytic converter to California or New York}
Additional Fitment Information: Warehouse: B
Vehicle Body Engine Transmission
• 1993 (93) BMW 525i Sedan  2.5L 6 Cyl  Automatic 

Click to Enlarge
(Read reviews)
Sale Price: $105.23
(3) In Stock
Product SKU: 15021
Product Note: Walker EPA Standard Universal Converter -- Fits Fed & Calif Emiss. Models; Not legal for sale in the state of California. Legal for use on all vehicles licensed in New York.; Modifications and/or additional parts required.
Inventory: In Stock
Condition: New

Shipping Options:
Ground

5 Year / 50,000 Mile Walker Limited Warranty

{We currently do not ship this catalytic converter to California or New York}
Additional Fitment Information: Warehouse: B
Vehicle Engine Transmission
• 1989 (89) BMW 525i 2.5L 6 Cyl  Standard 

Click to Enlarge
(Read reviews)
Sale Price: $105.23
(3) In Stock
Product SKU: 15021
Product Note: Walker EPA Standard Universal Converter -- Fits Fed & Calif Emiss. Models; Not legal for sale in the state of California. Not legal for use on California emission vehicles in New York. Legal for use on Federal/EPA emission vehicles in New York.; Modifications and/or additional parts required.
Inventory: In Stock
Condition: New

Shipping Options:
Ground

5 Year / 50,000 Mile Walker Limited Warranty

{We currently do not ship this catalytic converter to California or New York}
Additional Fitment Information: Warehouse: B
Vehicle Body Engine
• 1994 (94) BMW 525i Sedan  2.5L 6 Cyl 

Click to Enlarge
(Read reviews)
Sale Price: $119.14
with FREE Shipping
(5) In Stock
Product SKU: 51204
Product Note: Catalytic Converter -- Universal OEM GRADE Federal (Exc.CA); NOT FOR SALE OR USE IN THE STATE OF CALIFORNIA
Position of Product: Rear Right
Inventory: In Stock
Condition: New

Shipping Options:
Free Ground Shipping

{We currently do not ship this catalytic converter to California or New York}
Additional Fitment Information: Warehouse: B
Vehicle Engine
• 2007 (07) BMW 525i 3.0L 6 Cyl 

Click to Enlarge
(Read reviews)
Sale Price: $119.14
with FREE Shipping
(5) In Stock
Product SKU: 51204
Product Note: Catalytic Converter -- Universal OEM GRADE Federal (Exc.CA); NOT FOR SALE OR USE IN THE STATE OF CALIFORNIA
Position of Product: Rear Right
Inventory: In Stock
Condition: New

Shipping Options:
Free Ground Shipping

{We currently do not ship this catalytic converter to California or New York}
Additional Fitment Information: Warehouse: B
Vehicle Engine
• 2006 (06) BMW 525i 3.0L 6 Cyl 

Click to Enlarge
(Read reviews)
Retail Price:
$1,139.58
Sale Price: $614.33
with FREE Shipping
(1) In Stock
Product SKU: W0133-1952454
Product Note: Cylinders 4-6 EPA Compliant - (48-State & Canada) EPA Tier 0 & Tier 1 emission use.
Detailed Note: Not legal for sale or use in California and New York
Position of Product: Rear
Inventory: In Stock
Condition: New

Shipping Options:
Free Ground Shipping or (Overnight and 2-Day Shipping)

5 Year / 50,000 Mile DEC Limited Warranty

{We currently do not ship this catalytic converter to California or New York}
Additional Fitment Information: Warehouse: A
Vehicle
• 2005 (05) BMW 525i

Click to Enlarge
(Read reviews)
Retail Price:
$1,143.49
Sale Price: $616.33
with FREE Shipping
(1) In Stock
Product SKU: W0133-1952453
Product Note: Cylinders 1-3 EPA Compliant - (48-State & Canada) EPA Tier 0 & Tier 1 emission use.
Detailed Note: Not legal for sale or use in California and New York
Position of Product: Front
Inventory: In Stock
Condition: New

Shipping Options:
Free Ground Shipping or (Overnight and 2-Day Shipping)

5 Year / 50,000 Mile DEC Limited Warranty

{We currently do not ship this catalytic converter to California or New York}
Additional Fitment Information: Warehouse: A
Vehicle
• 2004 (04) BMW 525i

Click to Enlarge
(Read reviews)
Retail Price:
$692.27
Sale Price: $336.33
with FREE Shipping
(3) In Stock
Product SKU: W0133-1937805
Product Note: EPA Compliant Premium Load - Cylinders 4-6 The converter section contains "premium load" catalyst material with higher noble metal content for better emission performance. EPA Compliant - (48-State & Canada) EPA Tier 0 & Tier 1 emission use.
Detailed Note: Not legal for sale or use in California and New York
Position of Product: Rear
Inventory: In Stock
Condition: New

Shipping Options:
Free Ground Shipping or (Overnight and 2-Day Shipping)

5 Year / 50,000 Mile Bosal Limited Warranty

{We currently do not ship this catalytic converter to California or New York}
Additional Fitment Information: Warehouse: A
Vehicle
• 2003 (03) BMW 525i

Click to Enlarge
(Read reviews)
Sale Price: $137.63
with FREE Shipping
(8) In Stock
Product SKU: 80833
Product Note: Walker CalCat Universal Converter -- Legal for use in the states of California and New York.; Modifications and/or additional parts required.
Inventory: In Stock
Condition: New

Shipping Options:
Free Ground Shipping

5 Year / 50,000 Mile Walker Limited Warranty

{We currently do not ship this catalytic converter to California or New York}
Additional Fitment Information: Warehouse: C
Vehicle Engine
• 1995 (95) BMW 525i 2.5L 6 Cyl 


Related Top Sellers

Some of our Customer Reviews
Very Satisfied
Reviewer: CHALIE

10/1/09 10:30 PM

PRICE WAS RIGHT THE PART WAS RIGHT WHAT A DEAL AND THE PART ARRIVED ON TIME . WHAT MORE CAN I SAY . CS

Order Date | 9/24/09

Very Satisfied
Reviewer: crsimpson

8/6/09 10:07 PM

PartsGeek is among the best at filling orders expeditiously and having them delivered exteremely quickly. Their prices are very competitive and some of the lowest you will find on the internet. Ove...

Order Date | 7/30/09



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