2003 BMW 525i Fuel and Emissions Systems
More 2003 BMW 525i Fuel and Emissions Systems Categories
If you’re looking for an original Fuel and Emissions Systems replacement for a 2003 BMW 525i, you can search through our selection below. You’ll also find aftermarket and OEM Fuel and Emissions Systems to meet your needs.
Essential 2003 BMW 525i Fuel and Emissions Systems
Carquest Premium – Fuel Pump Module Assembly (Part No.E8442H)
from
$166.99
CARQUEST fuel pump modules offer OEM or better performance from an Original Equipment Supplier. The latest advancements in fuel delivery technology are built-in to every CARQUEST Fuel Pump to deliver greater reliability.
Product Features:
See More
Product Features:
- Every single pump is 100% tested throughout the entire manufacturing process for worry free, out-of-the-box performance
- Triple barb hose fitting provides superior, long-lasting seal
- Superior return porting for optimum fuel flow
- Enhanced pump to flange harness design provides worry-free electrical performance
- Ceramic sender card and float arm that utilizes vehicle-specific geometry to ensure accurate fuel gauge readings for each and every application
- Gradient density, dual zone filtration designed for better contamination resistance
Carquest Premium – Fuel Injector Seal Kit (Part No.AS045)
from
$5.29
CARQUEST fuel injector seal kits include the necessary O-rings and seals to properly reseal the injector, which is a recommended practice any time the injector is removed. Each kit services one injector and includes hard to find or previously dealer-only components.
Product Features:
See More
Product Features:
- Premium OE quality materials
- Services one injector
Rein – Air Pump Pipe (Part No.B6031946374RIN)
from
$38.35
Air Pump Pipe
APA/URO Parts – Ambient Temp Sensor (Part No.P4025743812APA)
from
$39.82
Ambient Temp Sensor
Carquest Premium – Idle Air Control Valve (Part No.ABC3727)
from
$225.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More
Vaico – Breather Hose (Part No.B2010269804VCO)
from
$47.84
The Vaico Breather Hose is an ideal high quality aftermarket replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.
Product Features:
See More
Product Features:
- Premium aftermarket replacement
- Provides performance and dependability
- Manufactured to meet OE specifications
APA/URO Parts – Air Pump Rubber Mount (Part No.B6015293428APA)
from
$8.28
Air Pump Rubber Mount
Bosch – Wideband Oxygen Sensor: 5 Wire, 35.24" Long, Heated, Exact Fit (Part No.17099)
from
$174.99
Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation advancements. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance. Bosch oxygen sensors deliver exceptional OE level reliability, performance and durability, further improving service life of the product.
Product Features:
See More
Product Features:
- Advanced Wideband sensing element for exact air/fuel measurement
- Robust sensor design increases sensor longevity
- Seared protection tube due to 100% functional quality test
- ‘True Direct-fit’ OE connectors and harness
- Pre-coated threads with anti-seize compound right out of the box
Elring – Fuel Injector Seal (Part No.C1010681908ELR)
from
$2.43
Fuel Injector Seal
DENSO – First Time Fit Oxygen Sensor (Part No.C5010378632ND)
from
$94.74
Denso First Time Fit oxygen sensors are constructed of the highest quality materials available. High-quality stainless steel, porous polytetrafluoroethylene (PTFE), fluorine rubber, aluminum oxide, high-grade platinum and ceramics are used in each DENSO sensor.
Product Features:
See More
Product Features:
- SUPERIOR DESIGN – Maximizes engine performance and fuel efficiency while reducing harmful emissions.
- DOUBLE-PROTECTION COVER – Maintains proper unit temperature for quicker response times and protects the ceramic element against silicone and lead poisoning.
- ALUMINUM-OXIDE TRAP LAYER – Keeps silicone and lead outside the ceramic element through DENSO’s exclusive design, preventing damage to the platinum electrode.
- STAINLESS STEEL HOUSING – Resists corrosion and contamination with a rugged, watertight body.
Bosch – Bosch Fuel Pressure Regulator (Part No.C3000241274BOS)
from
$38.41
An essential part of the Fuel System, the Fuel Pressure Regulators’ sole purpose is to maintain fuel pressure at a constant differential to manifold vacuum under all engine load conditions.
Product Features:
See More
Product Features:
- Corrosion resistant housing material
- Premium diaphragm materials for longer service life
- Internal precision components maintain stable fuel pressure and ensure adequate fuel return
- Meets or exceeds OEM specifications
Beck/Arnley – Fuel Injection Pressure Regulator (Part No.158-0724)
from
$67.99
Beck/Arnley parts meet foreign nameplate OE specifications for form, fit and function. Our product specialists work with a network of global sourcing partners so you can install the right part with confidence.
Product Features:
See More
Product Features:
- Matches OE form, fit and function
- Made with high quality material and componentry
- High quality construction for durability
- Constructed to withstand an underhood environment
- Application specific for this vehicle
Carquest Premium – Air Charge Temperature Sensor (Part No.WTA1701)
from
$42.99
CARQUEST premium engine management products provide the right automatic transmission speed sensor for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions. Designed to meet OE quali
Product Features:
See More
Product Features:
- Lifecycle tested to meet or exceed OE specifications
- Direct OE replacement
- High strength thermoplastic is resistant to shock, temperature and chemicals. Also protects internal components from moisture and contaminants.
- Global coverage for import and/or domestic applications.
A.P.A. URO – Fuel Sender Seal (Part No.E2050137234APA)
from
$8.34
Fuel Sender Seal
Carquest Premium – Diverter Valve (Part No.ECC1498)
from
$116.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More
Elring – Elring Intake Plenum O-RIng (Part No.A8028393965ELR)
from
$1.74
Elring Intake Plenum O-RIngs are designed engineered and manufactured to OE specifications.
Product Features:
See More
Product Features:
- OE Quality
- Vehicle Specific Composition
- Highly Durable Sealing Surface
Dorman – Evaporative Emissions Canister Vent Valve (Part No.911-419)
from
$69.99
A malfunctioning vapor canister vent solenoid can cause the engine light to come on. This vapor canister vent solenoid is engineered of quality materials for durability to ensure proper operation of the vehicle’s evaporative emissions system.
Product Features:
See More
Product Features:
- Direct replacement – this vapor canister vent solenoid fits and performs like original equipment with simple plug-and-play installation
- Quality construction – manufactured from premium materials for a long service life
- Excellent value – original equipment function at a lower price
- Quality tested – has undergone simulation and endurance testing to ensure proper fit and performance
Carquest Premium – Multi Purpose Relay (Part No.RAA1834)
from
$15.79
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More
ACDelco – Multi-Purpose Wire Connector with Leads (Part No.PT2164)
from
$16.79
ACDelco Professional Air Charge Temperature Sensor Connector is a high quality aftermarket replacement component for one or more of the following vehicle systems: ignition, starting and charging, body-electrical and lighting, and/or engine fuel management. This premium aftermarket connector is manufactured to meet or exceed your expectations for fit, form, and function.
Product Features:
See More
Product Features:
- Professional, premium aftermarket replacement
- Provides the performance and dependability you expect from ACDelco
- Manufactured to meet expectations for fit, form, and function
Vemo – Purge Valve (Part No.B7080267466VMO)
from
$107.53
Purge Valve
Pierburg – Air Inject Check Val (Part No.B7040269654APG)
from
$42.27
Air Inject Check Val
Dorman – Help – PCV System Oil Separator (Part No.46103)
from
$103.99
This engine crankcase breather hose check valve is designed to match the fit and function of the original valve on specified vehicles, and is engineered for durability and reliable performance.
Product Features:
See More
Product Features:
- Direct replacement – this engine crankcase breather hose check valve is designed to match the fit and function of the original valve on specified vehicles
- Restores functionality – this valve is made to fit and fully restore part functionality after the original valve fails
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Elring – Throttle Body Gasket (Part No.C7001267853ELR)
from
$17.73
Throttle Body Gasket
APA/URO Parts – Fuel Sender Seal (Part No.E2050269587APA)
from
$13.20
Fuel Sender Seal
Pierburg – Secondary Air Pump (Part No.B6010298318APG)
from
$469.96
Pierburg a global supplier to European automakers manufactures an OE-equivalent direct fit Air Pump that maintains the quality and performance of the Original Equipment it replaces. Pierburg designed a modular system of brackets, and vibration absorbing elements to ensure that the secondary air pump does not interact with its mounting location.
Product Features:
See More
Product Features:
- OE design
- Low noise
- Long working life
- High thermal and mechanical resistance
- Sealed bearing design
- Housing sealed to protect against contamination
- High output DC motor
- Exact OE Body and engine mounting
Beck/Arnley – Relay (Part No.203-0131)
from
$31.49
Beck/Arnley parts meet foreign nameplate OE specifications for form, fit and function. Our product specialists work with a network of global sourcing partners so you can install the right part with confidence.
Product Features:
See More
Product Features:
- Matches OE form, fit and function
- Made with high quality materials for internal coil and switch
- Includes anti-corrosion terminals
- Constructed to withstand an underhood environment
- Application specific for this vehicle
Rein – Breather Hose (Part No.ABV0202)
from
$29.99
Rein Automotive OE quality vacuum hoses fit European vehicles the way the original manufacturer intended. Designed to be direct replacements for OE hoses, Rein hoses are identical to the OEM, from the size and shape of their branches to the thermoplastic quick connect fittings.
Product Features:
See More
Product Features:
- Matches original equipment design specifications.
- Manufactured with high quality materials.
- Direct fit for easy installation.
- Resistant to heat, salt, road debris, oil and other contaminants.
Delphi – Fuel Tank Cleaning Kit (Part No.FC01)
from
$12.49
To perform a complete fuel pump replacement, clean the tank every time. Order the Delphi Fuel Tank Cleaning Kit (Part FC01). Remember, the original pump went into a clean fuel tank, to ensure the same level of performance, the new pump should too. 100 ye
Product Features:
See More
Product Features:
- Helps avoid premature fuel pump failure
- Lint free towel included
- Low suds formulation
- Removes harmful contaminants from the fuel tank
Popular 2003 BMW 525i Fuel and Emissions Systems Categories
2003 BMW 525i Fuel and Emissions Systems
You count on your 2003 BMW 525i to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Fuel and Emissions Systems. With 98 Fuel and Emissions Systems ranging in price from $1.74 to $453.95, you’re sure to find everything you need for your 2003 BMW 525i.
Brands matter. If you want to shop a specific Fuel and Emissions Systems brand, we stock 26 different brands like Carquest Premium, Bosch, and Delphi. 2003 BMW 525i Fuel and Emissions Systems start as low as $1.74!
One of the best ways to find top quality OEM or aftermarket Fuel and Emissions Systems is by asking professionals. Short of that, you can shop with confidence thanks to our 216 extensive product reviews on 2003 BMW 525i Fuel and Emissions Systems. Some of the top-rated Fuel and Emissions Systems products we carry are First Time Fit Oxygen Sensor with 4.9 stars and Oxygen Sensor: 4 Wire, 11.42" Long, Heated, Exact Fit with 4.9 stars.
Did we mention you can order your Fuel and Emissions Systems from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Fuel and Emissions Systems inventory for your 2003 BMW 525i below to get started!
Top-Rated Fuel and Emissions Systems Brands For Your 2003 BMW 525i
Trusted Fuel and Emissions Systems OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2003 BMW 525i running right for years to come. In our inventory you’ll find brands like Carquest Premium, Bosch, Delphi, and even more.
Popular Cardone Fuel and Emissions Systems
You’ll find popular Cardone brand products across Fuel Injectors. All are waiting to get your 2003 BMW 525i back on the road. Some of the top-rated Cardone products in these categories are:
Top-Rated Fuel and Emissions Systems
If are what you’re looking for, our inventory holds plenty. We stock brand Fuel and Emissions Systems for your 2003 BMW 525i, and some of our most reviewed parts include:
FAQs for 2003 BMW 525i Fuel and Emissions Systems
What are the most purchased Fuel and Emissions Systems for the 2003 BMW 525i?
Out of 98 Fuel and Emissions Systems for the 2003 BMW 525i, the most popular in our inventory are:
What are the top-rated 2003 BMW 525i Fuel and Emissions Systems?
Top-rated Fuel and Emissions Systems for your 2003 BMW 525i based on customer reviews/ratings are:
from
$62.99
(14)
Oxygen Sensor: 4 Wire, 11.42" Long, Heated, Exact Fit
“It’s an oxygen sensor. What is there to say about an oxygen? It worked. It fit perfectly. The code went away. I passed emissions. These parts combined”
from
$92.99
(2)
Switching Oxygen Sensor: 4 Wire, 13.75" Long, Heated, Direct Fit
“Installed two in a 200 528i BMW in pre-cat application. Remove and Replace took 15 minutes for each sensor. Copper anti-seize paste was included in ”
