Borbet BY 21″ Titanium Polished Matt Alloy Wheels
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Alloy wheels by make Tyres Wheel nuts & bolts Locking wheel nuts Spigot rings Wheel brands Wiki Confirmed to fit 99 vehicles This wheel bolts straight on to the following vehicles (exact size and offset checked against each car's approved fitment):
Audi Bentley BMW Ford Mercedes …and 39 more — check your exact car here .
Fits 50 more vehicles with hub-centric spacers On these vehicles this wheel fits using the spacer size shown (spacers up to 5 mm are free with the wheels; thicker spacers are charged and come with the correct longer bolts):
Audi Q7 4M Facelift 2019–2026 with 10 mm spacers (also fits with 12, 12.5, 15, 20 mm) Q8 e-tron GE 2023–2026 with 10 mm spacers (also fits with 12, 12.5, 15, 20 mm) RS4 B9 Facelift 2019–2026 with 10 mm spacers (also fits with 12, 12.5, 15 mm) RS4 B9 2018–2025 with 10 mm spacers (also fits with 12, 12.5, 15 mm) RS4 B8 2012–2016 with 10 mm spacers (also fits with 12, 12.5, 15 mm) RS5 F5 Facelift 2020–2026 with 10 mm spacers (also fits with 12, 12.5, 15 mm) RS5 8T/8F 2010–2016 with 10 mm spacers (also fits with 12, 12.5, 15 mm) RS5 F5 2010–2019 with 10 mm spacers (also fits with 12, 12.5, 15 mm) RS6 C8 Facelift 2024–2026 with 15 mm spacers (also fits with 20, 25 mm) RS6 C8 2019–2023 with 15 mm spacers (also fits with 20, 25 mm) RS6 C7 2013–2018 with 15 mm spacers (also fits with 20 mm) RS6 C6 2007–2010 with 5 mm spacers — free RS7 C8 2019–2023 with 15 mm spacers (also fits with 20, 25 mm) RS7 C8 Facelift 2019–2025 with 15 mm spacers (also fits with 20, 25 mm) RS7 4G Facelift 2014–2018 with 10 mm spacers (also fits with 12, 12.5, 15 mm) RS7 4G 2013–2016 with 10 mm spacers (also fits with 12, 12.5, 15 mm) SQ5 GU 2025–2026 with 10 mm spacers (also fits with 12, 12.5 mm) SQ5 FY Facelift 2021–2026 with 10 mm spacers (also fits with 12, 12.5 mm) SQ5 FY 2017–2020 with 10 mm spacers (also fits with 12, 12.5 mm) SQ5 8R 2012–2017 with 10 mm spacers (also fits with 12, 12.5 mm) SQ7 4M Facelift 2019–2026 with 10 mm spacers (also fits with 12 mm) SQ7 4M 2016–2018 with 10 mm spacers (also fits with 12 mm) SQ8 e-tron GE 2023–2026 with 15 mm spacers (also fits with 20, 25 mm) SQ8 4M Facelift 2023–2026 with 25 mm spacers SQ8 4M 2019–2023 with 25 mm spacers BMW M2 G87 Facelift 2024–2026 with 20 mm spacers (also fits with 25 mm) M3 G80/G81 Facelift 2022–2024 with 10 mm spacers (also fits with 12, 12.5, 15, 20, 25 mm) M4 G82/G83 2021–2023 with 10 mm spacers (also fits with 12, 12.5, 15, 20, 25 mm) M5 VI (F90) LCI 2020–2023 with 10 mm spacers (also fits with 12, 12.5, 15, 20 mm) M5 VI (F90) 2017–2020 with 10 mm spacers (also fits with 12, 12.5, 15, 20 mm) M8 F91/F92/F93 Facelift 2022–2026 with 15 mm spacers (also fits with 20, 25 mm) M8 F91/F92/F93 2019–2022 with 15 mm spacers (also fits with 20, 25 mm) X3 M F97 LCI 2021–2024 with 10 mm spacers (also fits with 12, 12.5, 15, 20 mm) X3 M F97 2017–2024 with 10 mm spacers (also fits with 12, 12.5, 15, 20 mm) X4 M F98 2019–2021 with 10 mm spacers (also fits with 12, 12.5, 15, 20 mm) X4 M F98 LCI 2014–2025 with 10 mm spacers (also fits with 12, 12.5, 15, 20 mm) Mercedes MG (Saic) Hs AS23 2020–2023 with 5 mm spacers — free …and 10 more spacer fitments.
Wheel specification Brand Borbet Model BY Diameter 21" Width 9.5J Bolt pattern 5x112 Offset ET40 Centre bore 66.6 Colour Matt Titanium Polished
Fitment checked against your exact vehicle before it ships.
View wheel & tyre packages Fitted, balanced and ready to bolt on → Borbet BY — 21" options Diameter Width Offset PCD Colour Price / set of 4 21" 10.5J ET40 5x112 Matt Black £1,760.00 View 21" 10.5J ET45 5x114.3 Matt Black £1,760.00 View 21" 10.5J ET45 5x120 Matt Black £1,760.00 View 21" 10J ET40 5x112 Matt Black £1,720.00 View 21" 10J ET30 5x112 Matt Black £1,720.00 View 21" 10J ET39 5x114.3 Matt Titanium Polished £1,720.00 View 21" 10J ET45 5x108 Matt Titanium Polished £1,720.00 View 21" 10J ET25 5x112 Matt Titanium Polished £1,720.00 View 21" 8.5J ET35 5x112 Matt Black £1,644.00 View 21" 8.5J ET45 5x112 Matt Black £1,644.00 View 21" 8.5J ET25 5x112 Matt Black £1,644.00 View 21" 8.5J ET45 5x108 Matt Black £1,644.00 View 21" 8.5J ET49 5x114.3 Matt Black £1,644.00 View 21" 8.5J ET45 5x114.3 Matt Black £1,644.00 View 21" 8.5J ET40 5x114.3 Matt Titanium Polished £1,644.00 View 21" 8.5J ET35 5x120 Matt Titanium Polished £1,644.00 View 21" 8.5J ET35 5x114.3 Matt Titanium Polished £1,644.00 View 21" 9.5J ET20 5x130 Matt Black £1,684.00 View 21" 9.5J ET30 5x112 Matt Black £1,684.00 View 21" 9.5J ET35 5x112 Matt Black £1,684.00 View
Choose your vehicle to see only the sizes that fit it — fitment is verified automatically at checkout.
Borbet BY in other colours 21" 9.5J ET40 What's included New nuts or bolts with every set — never reused Spigot rings where your vehicle needs them Wheel & tyre packages arrive fully inflated and balanced, ready to fit Fitment checked against your exact vehicle before it ships Delivery & fitting Same-day delivery £48 within 30 miles of our HQ or distribution centres, subject to the wheels being in stock Next day to the UK mainland, 1–2 days to outlying islands Mobile fitting to your drive within 30 miles — wheel & tyre packages fitted within 3 hours of purchase Based in Ireland? Ask us about our Irish partners Warranty Every wheel carries its manufacturer’s warranty, and we deal with the manufacturer on your behalf Covers manufacturing defects and paint or finish issues not caused by external factors Does not cover impact damage — kerbs, potholes or road debris Full shipping & fitting details · FAQs · Refunds & returns
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