EURORELIC

13 62 1 710 539 –Volume air flow sensor

Supersededchecked 2026-09-28source: bmwpartsdeal.commarket: US (EU: not orderable)

BMW part number 13 62 1 710 539 (13621710539) is the Volume air flow sensor, a fuel part catalogued for the E28 (520i, 525e, 528e), E30 (320i, 325e), E34 (520i). As of our last check (2026-09-28, bmwpartsdeal.com), it has been superseded by 13627547978. 1 kit or reman option, 3 repair guides below.

⚠ Safety-critical part. Have a qualified mechanic verify fitment and installation before driving.
  1. 1 New from BMW
    Order the replacement number 13627547978
  2. 2 Aftermarket new
    No sourced aftermarket equivalent yet
  3. 3 Used / NOS
    Search live listings on eBay US/DE.
  4. 4 Interchange
    No cross-model match in our data
  5. 5 Kit / reman
    1 kit or service option
  6. 6 Community fix
    No forum workaround recorded yet
  7. 7 DIY guide
    3 repair how-tos linked (forum, article, video)
  8. 8 Paid hunt
    We search dealers, breakers and forums for you.

Buy new

Replaced by 13627547978. Order the newer number.

View 13621710539 at bmwpartsdeal.comCross-reference 13621710539 on RealOEMCatalog diagram (bmwfans.info)

Aftermarket options (0)

No sourced aftermarket equivalent recorded yet. We only list brand numbers that a brand catalog or vendor page explicitly cross-references to this BMW number.

Where to buy

Every link opens 13621710539 at that seller: “View” = the part’s own page, “Look up” = the seller’s part-number page, “Search” = the seller’s search pre-filled with the number (successor 13627547978 where shown). You can order from either region.

United States

Europe (DE · UK · DK)

“Ships internationally” is shown only where we read it on the vendor’s own shipping page (checked 2026-09-28); otherwise check with the vendor. Import duties and taxes are the buyer’s responsibility. Amazon links carry our Associates tag, so we may earn a commission; other seller links are not affiliate links today.

Supersession chain

13621710539→13627547978

Older numbers on the left, newest on the right. Numbers without a record open a lookup.

Used & NOS listings

Cross-model interchange (0)

No interchange recorded. That doesn't prove there isn't one; it means we have no sourced match yet.

Listed directly for E28 and E30 and E34 in our data (see Fits). Models below are other listings of the same number.

Community fixes (0)

No forum workaround recorded yet. If you know a thread, the hunt team wants to hear about it.

Kits, reman & retrofits (1)

Reman / repair service
Bosch/Denso air flow meter refurbishment service (batch service, 30–45 day lead time)
Bavarian Restoration
price not listed
View product page on bavrest.com ↗

DIY

Worn carbon track: open lid and move wiper onto fresh track; do not touch spring tension – beemerlab.org

Repair guides & how-tos (3)

Write-ups and videos from owners, forums and specialists on removing and fitting this part. Summaries are ours; follow the link for the full steps, photos and torque values, and credit goes to the original author. Safety-critical part: have a qualified mechanic check the work.

Forum DIYR3VLimitedDifficulty: Mediumwritten for E30

Definitive AFM adjusting guide (spring tension and bypass screw) ↗

Owner method for recalibrating a tampered Bosch flap-type air flow meter: measure reference values from sealed meters, then reset spring tension and the idle bypass screw to match. Useful before buying a replacement AFM.

Tools mentioned: Multimeter, small screwdrivers

Covers the M20 flap-type meter; open the cover only if the seal is already broken.

by salvageland · r3vlimited.com· link checked 2026-10-08
ArticleShiftBMWDifficulty: Mediumwritten for E24 / E28

Cleaning the Air Flow Meter Potentiometer ↗

Explains the vane air-flow meter, how to check it by sweeping the vane while reading resistance, and how to open the glued base cover to clean the wiper and carbon track with alcohol (do not undo the connector screws). Reseal with sensor-safe RTV, optionally with a desiccant bag inside.

Tools mentioned: Multimeter, isopropyl alcohol, small screwdriver, sensor-safe RTV

Written on an E23 730i (M30); same vane AFM family.

by Paul Axford · shiftbmw.com· link checked 2026-10-08
ArticleShiftBMWDifficulty: Hardwritten for E24 / E28

AFM Adjustment ↗

Theory-heavy guide to re-tensioning a vane AFM's flap spring one cog at a time on M20/M30 engines, using an O2-sensor voltmeter hookup to centre the mixture. For tinkerers: it changes the meter's calibration.

Tools mentioned: 5 mm Allen key, screwdriver, multimeter, switch + jumper wiring

by RAkhmedov · shiftbmw.com· link checked 2026-10-08

Notes & sources

E34: Successor 13627547978 listed at $868.11 on bmwpartsdeal (InStock). SAFETY-CRITICAL (brakes/steering/fuel): have a qualified mechanic verify fitment and installation. E28: Successor 13627547978 listed at $868.11 on bmwpartsdeal (InStock). SAFETY-CRITICAL (brakes/steering/fuel/airbag): have a qualified mechanic verify fitment and installation. E30: Successor 13627547978 listed at $868.11 on bmwpartsdeal (InStock). SAFETY-CRITICAL (brakes/steering/fuel): have a qualified mechanic verify fitment and installation.