BMW part number 11 52 7 505 302 (11527505302) is the Fan coupling (RHD Automatic), a cooling part catalogued for the E46 (320Ci, 320i, 323Ci), E36 (320i, 325i, 325is), E36/7 (Z3 M3.2, Z3 2.0, Z3 2.2i), E39 (520i, 523i, 523i 2.4), E34 (520i, 525i), E38 (728i, 728iL) and 1 more chassis. As of our last check (2026-10-08, bmwpartsdeal.com), it is still available new from BMW. Also catalogued as 11521719269, 11521740963. 1 kit or reman option, 3 repair guides below.
Listed as orderable new at bmwpartsdeal.com when checked.
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.
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Listed directly for E46 and E36 and E36/7 and E39 and E34 and E38 and E53 in our data (see Fits). Models below are other listings of the same number.
Same BMW part number, but the source list is truncated or market-specific. More models may apply.
+23 more models not listed by the source.
bmwpartsdeal vehicle fitment (lists cut off after ~10 models)
No forum workaround recorded yet. If you know a thread, the hunt team wants to hear about it.
No DIY route recorded yet.
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.
How to get the belt-driven fan and viscous clutch off an E46 six (left-hand thread 32 mm nut), either by shock-loading the wrench against belt friction or with a pulley holder, and how to refit it without over-tightening.
Tools mentioned: 32 mm open wrench, water pump pulley holder, heavy hammer
Covers both the electric fan and the belt-driven viscous fan on the E46: the clutch hex is reverse threaded (turn clockwise to undo), the shroud comes out together with the fan, then the clutch is unbolted from the blade.
Tools mentioned: 32 mm fan wrench, water pump counter-hold tool, T25 Torx, sockets
Getting the viscous fan off a six-cylinder E36: remove the grille top panel and shroud clips, then use the fan tool, or an Allen key wedged through the pulley bolts as a counter-hold, to break the threaded fan nut loose. About 30 minutes.
Tools mentioned: Fan clutch wrench (or Allen key as counter-hold), screwdriver
Listed $314.57 on bmwpartsdeal.
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