Differential oil cooler suitable for BMW M3 E30

Differential ratio suitable for BMW M3 E30 (188) - available in the following ratios: 4,75:1, 5,13:1, 5,28:1 and 5,44:1. You will also find other differential accessories in our catalog, such as a 75% limited-slip differential or a differential oil cooler kit suitable for the BMW M3 E30.

DTM differential cover, suitable for the BMW M3 E30 type 188 differential. The valve cover, machined from a solid block of metal, features special cooling fins to improve cooling performance. Bearings, fittings, and a temperature sensor are included. A matching differential oil cooler for the BMW M3 E30 is also available in our product range.

Racing limited-slip differential for the 188 differential housing with 75% locking effect. An intact differential housing must be sent in exchange.

Ready-to-install transmission oil cooler suitable for BMW M3 E30, kit including all necessary mounting hardware. This high-performance cooler reduces oil temperature under continuous racing loads.

Choose your desired version from our S14 airbox range, suitable for the BMW M3 E30. Please specify the desired diameter after ordering. Airbox Version 1: This carbon fiber airbox, type S14 DTM-46/48, is suitable for BMW S14 engines with camshafts up to 280° and has a funnel length of 15 cm. This airbox can be used for mounting on either 46 mm or 48 mm throttle bodies. M3 E30 Airbox Version 2: This carbon fiber airbox is suitable for BMW S14 engines with an engine output of 280 hp and above and has a funnel length of 17 cm (as of 1991). Due to the length and diameter of the funnels, this carbon fiber airbox provides your engine with a significant increase in torque. Order our Airbox Version 2, suitable for the BMW M3 E30, optionally with a 46/48/49,5 mm diameter. Mounting Kit: We can optionally supply the mounting kit as shown (but without the breather hose).