BMW 3 E21 Relay Valve

Compare BMW 3 E21 relay valve from trusted brands — check fitment by engine

Browse Relay Valve parts for BMW 3 E21

Relay Valve for BMW 3 E21 by engine

315 (1.6 L / 55 kW / 75 hp) M10 B16 (164VB)316 (1.6 L / 66 kW / 90 hp) M10 B16 (164VA)316 (1.8 L / 66 kW / 90 hp) M10 B18 (184VC)318 (1.8 L / 72 kW / 98 hp) M10 B18 (184VA)318 i (1.8 L / 77 kW / 105 hp) M10 B18 (184VA)320 (2.0 L / 80 kW / 109 hp) M10 B20 320/6 (2.0 L / 90 kW / 122 hp) M20 B20 (206VA)320 i (2.0 L / 92 kW / 125 hp) M10 B20 320 i (2.0 L / 81 kW / 110 hp) M10 B20 320 i (1.8 L / 74 kW / 101 hp) M10 B18 (184EA)323 i (2.3 L / 105 kW / 143 hp) M20 B23 (236EA)

Special offers for BMW 3 E21 Relay Valve and other compressed-air system spares

Compressed-air system compressor Air compressor repair kit Compressed-air system air dryer Compressed-air line connector Air compressor cylinder head Compressed-air system air tank Service brake brake valve

Hot Picks: our best-selling BMW 3 E21 Relay Valve

Popular Relay Valve parts at great prices.

WABCO89950690728995069072£18.99

DT Spare Parts4.620164.62016£41.99

TRUCKTECHNICWSK.58.5WSK.58.5£64.99

COJALI22264072226407£49.99

Related models for this part

1 Convertible E88 1 Coupe E82 1 E81 1 E87 3 Convertible E93 3 Coupe E92 3 E90 3 F30 F80

Relay Valve for BMW 3 E21 — what you need to know

Finding the right relay valve for your BMW 3 E21 is essential for safe and reliable driving. We offer a wide selection from leading manufacturers, all with TecDoc-verified fitment for your specific vehicle.

When choosing relay valve for your BMW 3 E21, consider factors like OEM vs aftermarket quality, material specifications, and your driving conditions. OEM parts match original specifications exactly, while premium aftermarket brands like Bosch, TRW, and Febi Bilstein often offer comparable quality at lower prices.

All relay valve listed on this page are confirmed compatible with BMW 3 E21. Our fitment data is sourced from TecDoc, the industry-standard European automotive parts database. If you are unsure about compatibility, check the OE part number on your existing component and use our cross-reference search.

Frequently Asked Questions

What relay valve fits a BMW 3 E21?

We have relay valve options verified for BMW 3 E21. Select your exact engine above to confirm fitment. All compatibility data is verified through TecDoc.

How many relay valve options are available for BMW 3 E21?

There are 0 relay valve options available for the BMW 3 E21. Prices vary by brand and specification.

What brands make relay valve for BMW 3 E21?

Multiple brands offer relay valve for the BMW 3 E21. All parts are new, with TecDoc-verified fitment and our 14-day guarantee.

How do I find the OE part number for BMW 3 E21 relay valve?

Check your BMW 3 E21 owner's manual or service book for the original part number. You can also use our OE number search to find compatible aftermarket alternatives. The part number is often printed on the existing component.