BMW 3 E21 Radiator cap bolt

Compare BMW 3 E21 radiator cap bolt from trusted brands — check fitment by engine

Browse Radiator cap bolt parts for BMW 3 E21

Radiator cap bolt 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)

Hot Picks: our best-selling BMW 3 E21 Radiator cap bolt

Popular Radiator cap bolt parts at great prices.

METZGER AUTOTEILE4010160GREENPARTS£6.99

FEBI BILSTEIN3759537595£3.99

VAICOV20-1377Original VAICO Quality£5.99

MAHLECRX 52 000PBEHR *** PREMIUM LINE ***£3.99

Related models for this part

X5 E53 X5 E70 3 Compact E46 3 Convertible E46 3 Coupe E46 3 E46 3 Touring E46 5 E39

Radiator cap bolt for BMW 3 E21 — what you need to know

Finding the right radiator cap bolt 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 radiator cap bolt 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 radiator cap bolt 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 radiator cap bolt fits a BMW 3 E21?

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

How many radiator cap bolt options are available for BMW 3 E21?

There are 0 radiator cap bolt options available for the BMW 3 E21. Prices vary by brand and specification.

What brands make radiator cap bolt for BMW 3 E21?

Multiple brands offer radiator cap bolt 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 radiator cap bolt?

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.