1981 BMW 733i Intake Upgrade Parts
6 parts verified to fit your 1981 BMW 733i for a complete intake upgrade. This is an easy DIY project — estimated 30-60 minutes.
Performance Air Filters
(6)primaryaFe
aFe MagnumFLOW Air Filters OER P5R A/F P5R BMW 5/6/7-Ser 77-89 L6M3 88-91 L4-2.3L
$91.00
aFe
aFe MagnumFLOW Air Filters OER PDS A/F PDS BMW 5/6/7-Ser 77-89 L6M3 88-91 L4-2.3L
$97.00

Hengst
Air Filter
$23.41


Dorman
Engine Air Intake Hose
$31.06

K&N
K&N Replacement Air Filter BMW F/I CARS 1978-91
$104.99

WIX
WIX Air Filter Panel
$13.03
Intake Upgrade for Other BMW 733i Years
Other Jobs for Your 1981 BMW 733i
Frequently Asked Questions
What parts do I need for a intake upgrade on my 1981 BMW 733i?
A complete intake upgrade on the 1981 BMW 733i typically requires performance air filters. All parts shown on this page are verified to fit your specific vehicle.
How long does a intake upgrade take on a 1981 BMW 733i?
A intake upgrade typically takes 30-60 minutes and is rated as easy difficulty. Actual time may vary depending on your experience and the specific parts being replaced.
Can I do a intake upgrade myself?
Yes! A intake upgrade is an easy DIY project that most people can do with basic hand tools. It's a great way to save money on labor costs.
Are these parts guaranteed to fit my 1981 BMW 733i?
Yes, all parts on this page are verified to fit the 1981 BMW 733i using VCDB fitment data from manufacturers. Our fitment information is cross-referenced with industry-standard vehicle databases to ensure accuracy.
What brands make intake upgrade parts for the 1981 BMW 733i?
We carry intake upgrade parts from trusted brands including aFe, Hengst, Dorman, K&N, and WIX. Filter by brand to find your preferred manufacturer.
How much does a intake upgrade cost for a 1981 BMW 733i?
The cost of a intake upgrade for the 1981 BMW 733i depends on the parts and brands you choose. Browse the parts on this page to see current pricing. Doing the work yourself saves significantly on labor costs.
