This is a budget-friendly BSG (15-135-002) brand panel type air filter designed for projects using the 6-cylinder engine block S54 (3.2L) in BMW 3 Series E36 chassis. It filters the airflow required by the high-revving S54 unit according to standards, preventing dust, sand, and foreign particles from entering the engine. It is ideal for users looking for an affordable solution during periodic maintenance.
- Precise Filtration: Captures harmful substances in the incoming air thanks to the cellulose filter paper, keeping the combustion chamber clean.
- Cost-Effective Maintenance: Serves the basic protection needs of the engine at an affordable price as an alternative to high-cost performance filters.
- Seal Guarantee: The polyurethane seal around the filter fits snugly to the E36 6-cylinder air filter housing, preventing unfiltered air from bypassing.
- Easy Installation: Manufactured to factory dimensions, it can be directly placed in the original location without modification.
Technical Details
| Brand |
BSG Auto Parts |
| Product Code |
15-135-002 |
| Possible OEM References |
13 72 1 730 449 / 13 72 1 744 869 |
| Filter Shape |
Rectangular (Panel Type) |
| Compatible Chassis |
E36 (Those with 6 Cylinder Air Filter Housing) |
Frequently Asked Questions (FAQ)
Will it cause performance loss in my S54 Swap vehicle? You won't notice a difference in standard daily use. However, since the S54 engine is a unit that revs up to 8000 RPM, standard filters like BSG may restrict airflow a bit earlier than OEM filters when they become dirty at higher RPMs. Therefore, it is recommended to replace the filter every 5,000-7,000 km in S54 units.
Can I clean this filter with compressed air and reinstall it? **ABSOLUTELY NOT.** Compressed air tears and enlarges the micro-pores in the filter paper. In this case, the filter becomes unable to perform its function and allows dust to enter the engine directly. Due to its economical price, replacing it with a new one instead of cleaning is the healthiest option.
It doesn't fit perfectly in the filter box, what should I do? The seal of the filter may have stretched during shipping. When placing the filter, first ensure that the corners are seated properly. If the housing cover does not close, clean any debris from the bottom of the housing. If it still does not fit, do not force it; air leakage in the engine poses a serious risk for the S54.
