Budget
The lowest price in this list
DENSO K20TT
Buy BMW 3 (E46) 1997–2005 323 i (2.5 L / 120 kW / 163 hp) M52 B25 (256S4) spark plug. Free UK delivery over £50.
20 products found
By price and quality, from the parts for BMW 3 (E46) 323 i 163 hp.
Budget
The lowest price in this list
DENSO K20TT
Our recommendation
Standard
A balance of price and quality
MAGNETI MARELLI 062609000050
Premium
A top-tier choice
CHAMPION OE120/T10
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Finding the right spark plug for your BMW 3 (E46) 1997–2005 323 i (2.5 L / 120 kW / 163 hp) M52 B25 (256S4) is essential for safe and reliable driving. We stock 20+ options from 8+ trusted brands, all with TecDoc-verified fitment for your specific vehicle.
When choosing spark plug for your BMW 3 (E46) 1997–2005 323 i (2.5 L / 120 kW / 163 hp) M52 B25 (256S4), 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 spark plug listed on this page are confirmed compatible with BMW 3 (E46) 1997–2005 323 i (2.5 L / 120 kW / 163 hp) M52 B25 (256S4). 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.
20 options from 8 brands fit the BMW 3 (E46) 323 i 163 hp. 15 are in stock.
Prices run from £5.99 to £16.99. The cheapest one in stock costs £5.99.
DENSO (3 in stock, from £5.99), BOSCH (3 in stock, from £9.99) and MAGNETI MARELLI (3 in stock, from £9.99).
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Only 3 left!
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