Headlight Leveling Sensors for BMW 5 Series E39 (1996-2003)

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Headlight leveling sensors can break and cause an error code and decreased functionality in your BMW. Replace your broken headlight leveling sensor with a replacement piece from Turner Motorsport.
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ECS Heavy Duty Rear Headlight Leveling Sensor Rod (37146752797) ...
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ECS - Corporate Logo
T#:55353606
Part#: 042121LA03KT
In Stock
New Item
Sale - Save 25% $ 29.99

This product was last offered at the strikethrough price on
11-07-2026

$ 22.49 USD
Free Shipping
Sale - Save 25%
$ 29.99

This product was last offered at the strikethrough price on
11-07-2026

$ 22.49 USD
Free Shipping

Over time, road grime, salt, and moisture take a toll on the factory rear leveling rod. The original equipment often corrodes, seizes, and eventually snaps—or worse, binds up and breaks your expensive headlight leveling sensor. With this issue in mind, ECS has engineered a heavy-duty, bulletproof solution designed to outlast the car it’s installed on.

Instead of brittle OE plastic that degrades and snaps over time, this rod is constructed from high-strength, flexible polyurethane. Paired with corrosion-resistant stainless steel ball studs, it guarantees smooth articulation and prevents the binding that destroys expensive sensors. Precision-manufactured for a perfect, bolt-on fit, this upgrade requires zero modifications to replace your fragile OEM unit.

This is a direct-fit replacement for Genuine BMW part number 37146752797, restoring proper suspension-to-sensor geometry so your headlights adjust perfectly to changing loads and road conditions.

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Level Sensor - Priced Each
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Hamburg Tech - Corporate Logo
T#:380315
Part#: 37146784697
Ships in 1 Business Day
$ 63.99 USD
Free Shipping on orders $49 and up
$ 63.99 USD
Free Shipping on orders $49 and up
SenCom - Corporate Logo
T#:59038386
Part#: 503043
Ships on Dec 8, 2026
New Item
$ 13.99 USD
$ 13.99 USD
SenCom's repair kit restores the connection with 6 pre-assembled circuits of 300mm silicone-insulated copper-tin wire.