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Fuel Injection Air Flow Meter
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This photo shows a similar part, not the exact one you'll receive. Since each used part has its own wear, yours may look slightly different.

2012 - 2016 BMW Z4 Air Flow Meter - Upper (OEM)

✓ IN STOCK
$52.95

ℹ️ Product Notes

This is a used Air Flow Meter assembly. This part measures the amount of air going into your engine. It is designed to mount on the upper air cleaner housing or in the upper air duct.
Condition: Excellent (A)
Like new, minimal to no wear
62,742 miles
Odometer reading when part was removed
See Other BMW Z4 Fuel Injection Air Flow Meters
SKU #
1835943-97606-633

Why Buy Used OEM Parts?

✓ Quality-Verified: Every used OEM part we sell has been professionally inspected and tested to ensure it meets our quality standards. While it may show some cosmetic wear from previous use, it's fully functional and ready to install.

✓ Original Equipment: This is a genuine OEM (Original Equipment Manufacturer) part - the exact same part that came with your vehicle from the factory. It's designed specifically for your make and model, ensuring perfect fitment and performance.

✓ Works Like New: Despite some visual wear, this part will perform just as well as a brand new one. The internal components and functionality are intact, giving you the same reliability you'd expect from OEM quality.

✓ Significant Savings: Save 50-80% compared to buying new! Used OEM parts offer exceptional value - you get factory quality at a fraction of the cost. It's the smart choice for budget-conscious vehicle owners who won't compromise on quality.

✓ Risk-Free Purchase: We stand behind our used parts with a generous 6-month warranty, 30-day returns, and 100% money-back guarantee. If it doesn't work out for any reason, simply return it for a full refund. You have nothing to lose!

🛡️ 30-Day Returns + 6-Month Warranty - Buy with Confidence!

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Vehicle Fitment Guide

This part fits the following vehicles:

Fitment information is being updated. Please contact us to verify compatibility.

Policies

Shipping & Handling

  • Standard shipping: 3-7 business days via UPS Ground
  • Parts are carefully packaged to prevent damage during transit

Returns (30 Days)

We accept returns within 30 days of delivery for this part.

  • Defective parts: We will replace the part or issue a refund at our discretion
  • Electronic parts: Must be returned with the sealed inspection bag unopened. The clear bag allows full visual inspection before opening. Once opened, electronic parts can only be exchanged for a replacement if defective — no refunds
  • Programming: "Needs to be programmed to my vehicle" is not a valid return reason. Many modules require dealer programming — we're happy to help connect you with resources if your dealer says it's not programmable
  • Return shipping: We cover return shipping as part of our 100% money-back guarantee
  • Parts must be returned in original packaging and unmodified condition
  • Poorly packaged returns that arrive damaged will not be credited

6-Month Warranty

All used parts include a 6-month warranty from the date of purchase.

  • If your part fails within 6 months, we will send a replacement
  • Refunds are only issued if we cannot provide a suitable replacement
  • Warranty covers defects — not installation errors, misuse, or damage after installation

Note: Warranty is for replacement, not refund. A part failing on day 80? We'll replace it. But the return window for refunds is 30 days.

Damaged in Shipping?

If your part arrives damaged:

  • Stop immediately — do not install the part
  • Keep all original packaging and boxes
  • Take clear photos of the damage and packaging
  • Contact us within 48 hours of delivery

We will handle the carrier claim. You are not responsible for shipping damage — we just need your help documenting it.

Order Cancellation

Orders can be cancelled before shipment for a full refund. Once shipped, cancellations follow our return policy.

Symptoms & Diagnosis

Warning Signs the Air Flow Meter is Failing

  • Reduced engine power or acceleration
  • Poor fuel economy
  • Rough idling or stalling
  • Check Engine Light is on
  • Engine hesitation or misfires

How to Test if This Part is the Problem

  1. Visually inspect the part for damage or contamination. Look for cracks, broken wires, or debris.
  2. Use a scan tool to check for diagnostic trouble codes (DTCs) related to the air flow meter.
  3. Check the wiring harness and connector for loose connections or corrosion.
  4. Test the part's voltage and resistance using a multimeter, comparing the readings to the manufacturer's specifications.
  5. Consider smoke testing the intake system for leaks, as unmetered air can mimic a faulty air flow meter.

Common Failure Causes for This Part

  • Contamination from a dirty air filter
  • Physical damage from impact or vibration
  • Electrical issues, such as shorts or open circuits
  • Age and normal wear and tear
  • Oil or other fluids entering the sensor

Buyer's Checklist

What to Look for When Buying This Part

  • Compatibility with your vehicle's year, make, and model.
  • The part's condition (used, refurbished, or new).
  • The seller's reputation and return policy.
  • Warranty options.

Quality Indicators for the Available Options

FeatureUsed OEMRefurbished OEMNew Aftermarket
OriginOriginal equipment manufacturer (OEM)Original equipment manufacturer (OEM)Third-party manufacturer
ConditionUsed, tested and inspectedProfessionally restoredNew
PriceGenerally the lowest priceMid-range priceVaries, can be budget to premium price
ReliabilityCan be very reliable if properly testedOften very reliable after refurbishmentReliability can vary by manufacturer
WarrantyVaries by sellerOften includes a warrantyOften includes a warranty

What's Typically Included with the Part

  • The air flow meter sensor itself.
  • Sometimes a new gasket or O-ring (check with the seller).
  • Installation instructions (sometimes).

Installation Overview

Difficulty Level and Estimated Time

  • Difficulty: Easy to Moderate
  • Estimated Time: 30 minutes to 1 hour

Special Tools Needed (if any)

  • Screwdrivers or socket set
  • Scan tool (to clear codes after installation)
  • Possibly a mass airflow sensor cleaner

Critical Steps and Tips

  1. Disconnect the negative battery cable.
  2. Locate the air flow meter (usually near the air filter box).
  3. Disconnect the electrical connector.
  4. Loosen or remove the clamps or screws holding the part in place.
  5. Remove the old part.
  6. Install the new part, ensuring it's properly seated and secured.
  7. Reconnect the electrical connector.
  8. Reconnect the negative battery cable.
  9. Clear any diagnostic trouble codes (DTCs) using a scan tool.

Whether DIY is Recommended or Professional Installation is Better

  • DIY is possible for mechanically inclined individuals.
  • Professional installation is recommended if you're not comfortable working on your car or if you lack the necessary tools.

Buying Options

Compare: Used OEM, Refurbished OEM, New Aftermarket

When replacing your air flow meter, you have several options to consider: Used OEM, Refurbished OEM, and New Aftermarket. Each offers different benefits in terms of price, quality, and warranty.

Used OEM

Used OEM parts offer the best value. These are genuine factory parts that have been tested and inspected to ensure they are in good working condition. They are available at significantly lower prices than new parts.

Refurbished OEM

Refurbished OEM parts are factory parts that have been professionally restored to like-new condition. They often include new components and come with a warranty.

New Aftermarket

New aftermarket parts are brand new parts manufactured by third-party companies. They are built to meet or exceed OE specifications and can be a cost-effective alternative to OEM parts.

Typical Lifespan

How Long This Part Normally Lasts

  • Typically 50,000 to 100,000 miles

Factors that Affect Longevity

  • Air filter maintenance
  • Driving conditions
  • Quality of the replacement part
  • Engine maintenance

Price Ranges

Budget vs Mid-Range vs Premium Options

  • Used OEM: $50 - $150
  • Refurbished OEM: $100 - $250
  • New Aftermarket: $75 - $300

Labor Cost Considerations if Applicable

  • Labor costs typically range from $75 to $150, depending on the shop and location.

Total Job Cost Estimates

  • DIY: $50 - $300 (part only)
  • Professional Installation: $125 - $450 (part and labor)

Vehicle-Specific Notes

Known Issues for This Vehicle's System Related to This Part

  • Some models are prone to oil contamination of the air flow meter due to PCV system issues.
  • Check for any software updates related to engine management that may affect air flow meter readings.

Any TSBs or Common Complaints

  • Check for any Technical Service Bulletins (TSBs) related to air flow meter issues on these vehicles. Common complaints include rough idling and poor fuel economy.

Verification After Install

How to Confirm Proper Operation

  • Start the engine and let it idle.
  • Check for smooth idling and responsiveness to throttle input.
  • Use a scan tool to monitor air flow meter readings and ensure they are within the normal range.
  • Drive the vehicle and check for smooth acceleration and normal fuel economy.

What to Look/Listen for to Verify It's Working Correctly

  • No Check Engine Light.
  • Smooth engine operation.
  • Normal fuel economy.
  • Responsive acceleration.

FAQ

Q: How do I know if my air flow meter is bad?
A: Common symptoms include reduced engine power, poor fuel economy, rough idling, and a Check Engine Light.

Q: Can I clean my air flow meter instead of replacing it?
A: Cleaning is possible, but it's often a temporary fix. If the sensor is faulty, replacement is the best option. Use a cleaner specifically designed for mass airflow sensors.

Q: Will a bad air flow meter affect my gas mileage?
A: Yes, a faulty air flow meter can cause poor fuel economy.

Q: How often should I replace my air flow meter?
A: Air flow meters typically last 50,000 to 100,000 miles. Replace it when you notice symptoms of failure.

Q: Can I drive my car with a bad air flow meter?
A: It's not recommended. A bad air flow meter can cause engine damage and poor performance.

Part Specifications

OEM Part Numbers:

  • Other: 13627602038

Fits Years: 2012 2013 2014 2015 2016

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