EURORELIC

11 28 1 427 252 –Mechanical belt tensioner

Supersededchecked 2026-09-28source: bmwpartsdeal.commarket: US+EU

BMW part number 11 28 1 427 252 (11281427252) is the Mechanical belt tensioner, an engine part catalogued for the E34 (520i, 525i, 525ix). As of our last check (2026-09-28, bmwpartsdeal.com), it has been superseded by 11287838797. Interchange records list it on E36, E46, E39, E60, E61, E38 as well. 4 aftermarket options below.

  1. 1 New from BMW
    Order the replacement number 11287838797
  2. 2 Aftermarket new
    4 options (OE supplier, quality, budget)
  3. 3 Used / NOS
    Search live listings on eBay US/DE.
  4. 4 Interchange
    Same BMW number listed on 13 other chassis
  5. 5 Kit / reman
    None recorded yet
  6. 6 Community fix
    No forum workaround recorded yet
  7. 7 DIY guide
    No guide yet
  8. 8 Paid hunt
    We search dealers, breakers and forums for you.

Buy new

Replaced by 11287838797. Order the newer number.

View 11281427252 at bmwpartsdeal.comCross-reference 11281427252 on RealOEMCatalog diagram (bmwfans.info)

Aftermarket options (4)

OE supplier (1)
Made by the company that supplied BMW (named in BMW's catalog, or labelled OE by the vendor).
INA 5330015100
BMW Accessory Belt Tensioner Assembly - INA 11281427252
Listed cross-refwhy this tier
View INA 5330015100 at FCP Euro · $52.83Search eBay for INA 5330015100 ↗
source checked 2026-09-29
OE-equivalent / quality (1)
Established aftermarket brands built to the original design.
Continental 49282
Belt Tensioner – Multi-V or Smooth Pulley
Listed cross-refwhy this tier
View Continental 49282 at RockAuto · $49.79Search eBay for Continental 49282 ↗
source checked 2026-09-29
Budget (2)
Lowest price. Fine for some jobs; quality and service life vary more.
URO Parts 11281427252
Belt Tensioner
Listed cross-refwhy this tier
View URO Parts 11281427252 at RockAuto · $34.79Search eBay for URO Parts 11281427252 ↗
source checked 2026-09-29
Vaico V200208
Belt Tensioner – Ribbed V-Belt
Listed cross-refwhy this tier
View Vaico V200208 at RockAuto · $29.79Search eBay for Vaico V200208 ↗
source checked 2026-09-29

Each option links to the page that lists it as replacing this BMW number (price as listed on the check date). Tiers marked “brand class” are our classification of the brand, not a test of this part. Aftermarket parts are not BMW parts: quality varies and fitment is not guaranteed.

Where to buy

Every link opens 11281427252 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 11287838797 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

11281427252→11287838797

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

Used & NOS listings

Cross-model interchange (36)

Via successor numberCatalog match (partial list)shared number 11287838797bmwfans.info

Same BMW part number, but the source list is truncated or market-specific. More models may apply.

E36
320i M50320i M52323i M52323i 2.4 M52323ti M52
E46
320Ci M54320Ci M52320i M52320i M54323Ci M52
E39
520i M52520i M54523i M52523i 2.4 M52525i M54
E36/7
Z3 2.0 M52Z3 2.2i M54Z3 2.5 M52Z3 2.5i M54Z3 2.8 M52
E85
Z4 2.2i M54Z4 2.5i M54Z4 3.0i M54Z4 M3.2 S54
E60
520i M54525i M54530i M54
E38
728i M52728iL M52
E83
X3 2.5i M54X3 3.0i M54
E61
525i M54
E65
730i M54
E66
730Li M54
E53
X5 3.0i M54
E86
Z4 M3.2 S54

+27 more models not listed by the source.

Community fixes (0)

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

Kits, reman & retrofits (0)

No kit or reman service recorded yet.

DIY

No DIY route recorded yet.

Repair guides & how-tos (0)

No repair write-up or video linked for this part yet.

Notes & sources

Successor 11287838797 listed at $226.03 on bmwpartsdeal (InStock).