BMW part number 17 11 2 242 138 (17112242138) is the Radiator (A=650MM), a cooling part catalogued for the E32 (730i, 730iL, 740i), E31 (840i, 850Ci, 850CSi). As of our last check (2026-10-08, bmwpartsdeal.com), it is still available new from BMW. Interchange records list it on E34 as well. 1 repair guide 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 E32 and E31 in our data (see Fits). Models below are other listings of the same number.
Same BMW part number listed for this model in catalog data. Not a physical fit test.
No forum workaround recorded yet. If you know a thread, the hunt team wants to hear about it.
No kit or reman service recorded yet.
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.
Covers the classic E32/750 radiator leak where the upper transmission-cooler line threads into the radiator tank, with owner reports, and the removal and refit that follow. The trans-cooler steps don't apply to manual cars.
Tools mentioned: Line wrenches, screwdrivers, drain pan, coolant
Article says it applies to E24, E28, E32 and E34; filed under E31 (M70).
Listed $560.98 on bmwpartsdeal.
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