BMW 3.0CS Turn Signal Bulb Parts

Showing 13 out of 13 part(s) found in our catalog.

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BMW 3.0CS
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Electrical, Lighting and Body
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Turn Signal Light Bulb
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Used as parking/turning signal and/or brake/running light depending upon model. Nickel base version of brass base 1157 bulb. Please verify appearance and wattage of existing bulb prior to ordering.
1971, 1972, 1973, 1974 BMW 3.0CS, 3.0CSi
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$2.19
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$2.28
List
$0.35
Multiple uses, may include turn signal, brake light, backup light, rear foglight, and third brake light depending upon model. Please verify appearance and wattage of existing bulb. If original bulbs are...
1971, 1972, 1973, 1974 BMW 3.0CS, 3.0CSi
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$2.19
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$2.28
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$4.94
1971, 1972, 1973, 1974 BMW 3.0CS, 3.0CSi
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$2.19
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$2.28
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$0.39
1974 BMW 3.0CS
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$1.49
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$1.55
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$0.60
OEM
1971, 1972, 1973, 1974 BMW 3.0CS, 3.0CSi
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$1.99
Reg
$2.07
List
$0.51
Higher wattage version of nickel base 7528 bulb.
1971, 1972, 1973, 1974 BMW 3.0CS, 3.0CSi
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$2.19
Reg
$2.28
List
$0.35
1971, 1972, 1973, 1974 BMW 3.0CS
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$2.49
Reg
$2.59
List
$1.46
Please verify appearance and wattage on existing bulb prior to ordering, for clear version bulb please see 2821 bulb.
1971, 1972, 1973, 1974 BMW 3.0CS, 3.0CSi
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$1.19
Reg
$1.24
List
$0.68
Please verify appearance and wattage on existing bulb prior to ordering, for amber version of this bulb please see 194NA bulb.
1971, 1972, 1973, 1974 BMW 3.0CS, 3.0CSi
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$1.69
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$1.76
List
$0.32
Primarily used in tail lamp and side markers, please verify appearance and wattage of existing bulb prior to ordering.
1971, 1972, 1973, 1974 BMW 3.0CS, 3.0CSi
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$2.19
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$2.28
List
$0.31
1971, 1972, 1973, 1974 BMW 3.0CS
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$2.69
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$2.80
List
$0.74
Please verify appearance and wattage of existing bulb.
1971, 1972, 1973, 1974 BMW 3.0CS, 3.0CSi
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$1.69
Reg
$1.76
List
$0.32
This brand is: (12V - 21W).
1971, 1972, 1973, 1974 BMW 3.0CS
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$1.79
Reg
$1.86
List
$0.65

The average cost of a BMW 3.0CS turn signal bulb is between $1.19 and $2.69.

What Is The Correct Bulb Type For The BMW 3.0CS Turn Signal?

If you’re replacing a BMW 3.0CS turn signal bulb, you’ll usually need either an 1156 or 7506-type bulb. Double-checking is always wise though—pop out your old bulb and look for any markings on the metal base, or check the owner’s manual for the exact match. Since these classic BMWs span different model years and markets, a quick look at what’s already in place will help you avoid any surprises at the parts store.

How Do I Access And Replace The BMW 3.0CS Turn Signal Bulb?

Swapping the BMW 3.0CS turn signal bulb is pretty straightforward. You’ll see a couple of screws on the turn signal lens itself—just remove those, and the lens should come off easily. The bulb is right behind it and can usually be released by giving it a gentle twist. Slide in the new bulb, twist it to lock, and carefully reattach the lens. Watch those screws—don’t overtighten, since the old plastic can be a bit brittle.

Why Do My BMW 3.0CS Turn Signal Bulbs Burn Out Frequently?

If your BMW 3.0CS turn signal bulb doesn’t seem to last, there’s often an underlying electrical issue. Look for signs of corrosion at the socket, check for a solid ground connection, and keep an eye out for flickering that might point to a loose fit. Sometimes, a worn alternator can send voltage spikes, stressing the bulb. Lots of road vibration—pretty normal for an older car—can also contribute to bulbs failing before their time. A quick cleaning and careful install can go a long way.

Can I Use LED Bulbs In Place Of The Standard BMW 3.0CS Turn Signal Bulb?

Many owners want to modernize things by swapping the original BMW 3.0CS turn signal bulb with an LED version. It’s doable, but you’ll likely need a resistor or updated flasher relay to avoid rapid blinking or warning lights. Make sure you match the correct bulb specification, and opt for a warm amber or similar shade so your turn signals keep that classic look while improving reliability and visibility.

What Are Signs That My BMW 3.0CS Turn Signal Bulb Needs Replacing?

Some clues are pretty clear: a turn signal that suddenly stops working, blinks faster than usual, or only flickers dimly when you use it means your BMW 3.0CS turn signal bulb is on its way out. If the dash indicator flashes weirdly or you notice any inconsistency from the signal lights outside, it’s a good idea to swap in a new bulb sooner rather than later.

Where Can You Find Affordable BMW 3.0CS Turn Signal Bulbs?

AutohausAZ is a solid choice for picking up a quality BMW 3.0CS turn signal bulb without spending a fortune. They offer decent discounts and ship quickly, which helps you get your car sorted without delay. Returns are easy too, so even if you order the wrong one, exchanging it is hassle-free. That way, you can keep your classic BMW looking sharp and stay safe on the road.