Dress up your engine bay with new coolant expansion tank caps
Must Swap Pressure Relief Valve From PN #17117639021 to New Unit. Other Pressure Relief Valves Will Not Apply
The strongest and smoothest bearings for your BMW, featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and enhanced durability.
Brand:
ES#:
4845650
Mfg#:
B48-WPC-RB
In Stock
Limited Qty Sale
$475.99
This product was last offered at the strikethrough price on 05-02-2026
Monitors your oil level and oil condition - failed sensors can result in incorrect oil level and quality warning messages
For vehicles with the later B46D engine only - will not fit the early B46A engine
Brand:
ES#:
4762528
Mfg#:
12615A740A3
Ships in 1-2 days
8% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$358.99
This product was last offered at the strikethrough price on 08-22-2026
Mounts on top of the engine under the top cover with the logo
We Price Match - Give Us A Call or Chat! For vehicles with the earlier B46A/B48A (Gen1) Engine only - Not compatible with the B46D/B48D (Gen2) Engine
Whether you're repairing or upgrading your engine, we have engine parts from the most respected suppliers in the business. Purchase engine parts like connecting rods, valves, camshafts, cylinder heads, engine blocks, pistons, and more from ECS Tuning for your next engine repair or overhaul.
