Engine Wiring Cover Kit – OEM BMW 51711380392, 51711380391, 51711380390 | Fits All E30 Models

Engine Wiring Cover Kit – OEM BMW 51711380392, 51711380391, 51711380390 | Fits All E30 Models

Upgrade your BMW E30 with this Genuine BMW Engine Wiring Cover Kit, originally designed for the E30 M3 but also compatible with all E30 chassis models, including 318, 325 (e, i, is). Perfect for restorations or engine swaps, this kit hides exposed wiring and cleans up the firewall for a factory-fresh appearance.

Note: On some swap applications, minor trimming may be required to fit additional wiring.

Key Features

OEM BMW Quality – Factory fit and finish for long-lasting durability

Clean Engine Bay – Neatly conceals wiring harnesses and firewall clutter

Versatile Fitment – Works on all E30 chassis (M3, 318, 325e, 325i, 325is)

Swap Friendly – Great for modified builds; light trimming may be needed on some setups

Kit Includes

Upper Wiring Harness Cover – Part # 51711380392

Lower Wiring Harness Cover – Part # 51711380391

Firewall Wiring Cover – Part # 51711380390

BMW Fitment

BMW E30 318i / 318is (M10, M42)

BMW E30 320i (M20)

BMW E30 325e / 325es (M20)

BMW E30 325i / 325is / 325ix (M20)

BMW E30 M3 (S14)

Whether you’re restoring your E30 to factory spec or cleaning up a swap build, this Genuine BMW kit delivers the perfect balance of OEM quality and a tidy, professional finish.

Add-On: If your diagnostic port cap is missing or the original plastic has faded or become brittle with age, replace it with the Genuine BMW part (12-52-1-724-690) to keep your engine bay looking clean and factory-fresh.